W3147: Managing Plant Microbe Interactions in Soil to Promote Sustainable Agriculture

(Multistate Research Project)

Status: Inactive/Terminating

SAES-422 Reports

02/21/2014

Refereed Publications and Abstracts


Abawi. G. S., Porch, T. C., and Kelly, J. D. 2013. Field evaluation of promising breeding lines and varieties of common bean for tolerance to soilborne pathogens. Poster presented at the APS-MSA meeting held in Austin, Tx during August 10-14, 2013. http://www.apsnet.org/meetings/Documents/2013_meeting_Abstracts


Alcala, A.C., du Toit, L.J., Derie, M.L., Holmes, B., Coffman, G., Gatch, E.W., and Porter, L.D. 2013. Evaluation of priming and Nordox seed treatment for controlling damping-off in organic pea crops in central Washington, 2012. Plant Disease Management Reports 7:ST001.


Alcala, A.C., Porter, L.D., Derie, M.L., Holmes, B., Coffman, G., and du Toit, L.J. 2013. Evaluation of seed treatments and priming for controlling damping-off in organic pea crops in the semi-arid Columbia Basin and maritime Skagit Valley of Washington, 2012. Plant Disease Management Reports 7:ST002.


Agostini, A., Johnson, D. A., Hulbert, S., Demoz, B., Fernando, W. G. D., and Paulitz, T. C. 2013. First report of blackleg caused by Leptosphaeria maculans on canola in Idaho. Plant Disease 97(6):842.


Al-Hammouri, A., Lindeman, W., Sanogo, S., Thomas, S., and Steiner, S. 2013. Interaction between Rhizoctonia solani and Meloidogyne incognita on chile pepper in soil infested simultaneously with both plant pathogens. Canadian Journal of Plant Science 93: 67-69.


Babiker, E. M., Hulbert, S. H., and Paulitz, T. C. 2012. Hyaloperonospora camelinae on Camelina sativa in Washington State: Detection, seed transmission, and chemical control. Plant Disease 96(8):1670-1674.


Babiker, E. M., Hulbert, S. H., Schroeder, K. L., and Paulitz, T. C. 2013. Evaluation of Brassica species for resistance to Rhizoctonia solani and binucleate Rhizoctonia (Ceratobasidum spp.) under controlled environment conditions. European Journal of Plant Pathology DOI 10.1007/s10658-013-0205-8.


Becker, J. O., H. Witte, J. Smith Becker, G. W. Douhan, J. P. Vogel, and A. Ploeg 2012. Brachypodium distachyon: A model plant to study root-knot nematode - Pooideae interactions. J. Nematology 44: 452.


Becker, J.O., and D. Burger 2012. Calorespiromentric analysis for optimizing seed coatings. J. Nematology 44: 451.


Bihn, E.A., Smart, C.D., Hoepting, C.A., and Worobo, R.R. (2013) Use of surface water in the production of fresh fruits and vegetables: A survey of fresh produce growers and their water management practices. Food Protection Trends 33:307-314.


Cai, G., Restrepo, S., Myers, K.L., Zuluaga, P., Danies, G. Smart, C.D. and Fry, W.E. (2013) Gene profiling in partially resistant and susceptible near-isogenic tomatoes in response to late blight in the field. Molecular Plant Pathology 14:171-184.


Danies, G., Martin, F., Myers, K., Cooke, D.E., Smart, C.D., Seaman, A. and Fry, W.E. (2013) Investigation of a population of Phytophthora infestans in and near central New York in 2011. Phytopathology 103:S2.33


Dunn, A.R., Fry, B.A., Lee, T.Y., Conley, K.D., Balaji, V., Fry, W.E., McLeod, A., and Smart, C.D. (2013) Transformation of Phytophthora capsici with genes for green and red fluorescent protein for use in visualizing plant-pathogen interactions. Australasian Plant Pathology 42:583-593.


Dunn, A.R., Lange, H.W., and Smart, C.D. (2013) Evaluation of commercial bell pepper cultivars for tolerance to Phytophthora blight. Plant Health Progress in press


Dunn, A.R. and Smart, C.D. (2013) Attachment and germination of Phytophthora capsici zoospores on roots of susceptible and resistant peppers. Phytopathology 103:S2.37


Dunn, A.R., Wyatt, L.E., Mazourek, M., Reiners, S., and Smart, C.D. (2013) Performance and tolerance to Phytophthora blight of bell pepper varieties. HortTechnology 23:382-390.


Fang, H., Zhou, H., Sanogo, S., Flynn, R. P., Gore, M., Hughs, S. E., Jones, D. C., and Zhang, J. 2013. Development of sequence tagged site (STS) markers for Verticillium wilt resistance in cotton based on RGA-AFLP analysis. Beltwide Cotton Conference, San Antonio, TX, January, 2013.


Fry, W.E., McGrath, M.T., Seaman, A., Zitter, T.A., McLeod, A., Danies, G., Small, I.M., Myers, K., Everts, K., Gevens, A.J., Gugino, B.K., Johnson, S.B., Judelson, H., Ristaino, J., Roberts, P., Secor, G., Seebold, K., Snover-Clift, K., Wyenandt, A., Grunwald, N.J., and Smart, C.D. (2013) The 2009 late blight pandemic in Eastern USA  causes and results. Plant Disease 97: 296-306.


Handiseni, M., Brown, J., Zemetra, R., and Mazzola, M. 2012. Use of Brassicaceous seed meals to improve seedling emergence of tomato and Pepper in Pythium ultimum infested soils. Archives of Phytopathology and Plant Protection 45:1204-1209.


Handiseni, M., Brown, J., Zemetra, R., and Mazzola, M. 2013. Effect of Brassicaceae seed meals with different glucosinolate profiles on Rhizoctonia root rot of wheat. Crop Protection 48:1-5.


Hao, J. J. and Subbarao, K. V. 2013. Distribution of lettuce big-vein under three irrigation systems. Plant Disease. DOI: 10.1094/PDIS-04-13-0410-RE.


Holdsworth, W.L., Summers, C.F., Glos, M., Smart, C.D., and Mazourek, M. (2014) Development of downy mildew-resistant cucumbers for late-season production in the northeast. HortScience in press.


Iglesias-Garcia, A. M., Villarroel-Zeballos, M. I., Feng, C., du Toit, L. J., and Correll, J. C. 2013. Pathogenicity, virulence, and vegetative compatibility grouping of Verticillium isolates from spinach seed. Plant Disease 97:1457-1469.


Jones, L.A., Worobo, R.W., and Smart, C.D. (2013) Ultraviolet treatment of surface irrigation water for improved plant health and food safety. Phytopathology 103:S2.69


Jones, L.A., Worobo, R.W. and Smart, C.D. (2014) Ultraviolet light inactivation of human and plant pathogens in unfiltered surface irrigation water. Applied and Environmental Microbiology in press.


Kandel, S. L., Smiley, R. W., Garland-Campbell, K., Elling, A. A., Abatzoglou, J., Huggins, D., Rupp, R. and Paulitz, T. C. 2013. Relationship between climatic factors and distribution of Pratylenchus spp. in the dryland wheat production areas of Eastern Washington. Plant Disease: 97:1448-1456.


Kundu, S., Sanogo, S., Schutte, B., and Cooke, P. H. 2013. Peduncular and seed infection in chile pepper by the plant pathogenic fungus Verticillium dahliae. APS Joint Caribbean and Pacific Division Annual Meeting; Tucson, Arizona, June 17-19, 2013.


Lange, H.W. and Smart, C.D. (2013) Evaluation of the control of black rot in cabbage following treatments to transplants in the greenhouse and field. Phytopathology 103: S2.76


Leuchtmann A, Bacon CW, Schardl CL, White JF Jr, Tadych M. (In Press). Realignment of Neotyphodium species with genus Epichloë. Mycologia (Accepted October, 2013).


Liu, H. W., Luo, L. X., Li, J. Q., Liu, P. F., Chen, X. Y., and Hao, J. J. 2013. Pollen and seed transmission of Cucumber Green Mottle Mosaic Virus in cucumber. Plant Pathology 15:376-383.


Lu, X. H., Jiang, H. H., and Hao, J. J. 2013. First report of Pythium recalcitrans causing carrot cavity spot. Plant Disease 97:991.


Lujan, P., Dungan, B., Schaub, T., Randall, J., Puppala, N. Idowu, J., and Sanogo, S. 2013. The role of carbon sources in relation to pathogenicity of Sclerotinia sclerotiorum on Valencia peanut. APS Joint Caribbean and Pacific Division Annual Meeting; Tucson, Arizona, June 17-19, 2013.


Luo, L., S. R. Yates, D. J. Ashworth, A.M. Ibekwe, O. Becker, S.R. Lee, and R. Xuan 2012. The effects of soil solarization and MeI chemigation on soil bio-chemical properties and nematode survival. ASA, CSSA and SSSA Annual Meetings (Cincinnati, OH- Oct. 21 - Oct. 24, 2012). http://scisoc.confex.com/crops/2012am/webprogram/Paper75418.html


Matsui, M., H. Honjo, J. O. Becker, and R. Fukui 2013. Temperature-dependent effects of soil amendment with crop residues on suppression of Rhizoctonia damping-off of sugar beet. Plant and Soil 348:467-477.


Mavrodi, D. V., Mavrodi, O. V., De La Fuente, L., Landa, B. B., Thomashow, L. S., and Weller, D. M. 2013. Management of plant pathogens and pests using microbial biological control agents. In Plant Pathology Concepts and Laboratory Exercises, 3rd ed. CRC Press (Taylor and Francis) USA.


Mavrodi, D. V., Parejko, J. A., Mavrodi, O. V., Kwak, Y. S., Weller, D. M., Blankenfeldt, W., and Thomashow, L. S. 2013. Recent insights into the diversity, frequency and ecological roles of phenazines in fluorescent Pseudomonas spp. Environmental. Microbiology 15(3):675-686.


Mazzola, M., Reardon, C. L., and Brown, J. 2012. Initial species composition and brassicaceae seed meal type influence extent of Pythium-induced plant growth suppression. Soil Biology & Biochemistry 48:20-27.


Mazzola, M., and Manici, L. M. 2012. Apple replant disease: Role of microbial ecology in cause and control. Annual Review of Phytopathology 50:45-65.


Mazzola, M., and Strauss, S. L. 2013. Resilience of orchard replant soils to pathogen re-infestation in response to Brassicaceae seed meal amendment. Aspects of Applied Biology 119:69-77.


Meng, Q., Hanson, L. E., Douches, D., and Hao, J. J. 2013. Managing common scab caused by Streptomyces scabies using Bacillus amyloliquefaciens BAC03 and other biomaterials. Biological Control 67:373-379.


Meyer WA, Torres MS, White JF, Jr. 2013. Biology and applications of fungal endophytes in turfgrasses. Chapter 20, pp 713-731, Stier JC, Horgan BP, Bonos SA (Eds.), Turfgrass: Biology, Use, and Management. Agronomy Monograph 56. American Agronomy Society, Madison, WI. ISSN 0065-4663.


Ming Li, Dechun Wang. 2013. Phytophthora root rot resistance in soybean E00003. Crop Science. In print.


Okubara, P. A., Harrison, L. A., Gatch, E., Vandemark, G., Schroeder, K. L., and du Toit, L. 2013. A TaqMan real-time PCR assay for Fusarium oxysporum f. sp. spinaciae. Plant Disease 97(7):927-937.


Parejko, J. A., Mavrodi, D. M., Mavrodi, O. V., Weller, D. M., and Thomashow, L. S. 2013. Taxonomy and distribution of phenazine-1-carboxylic acid-producing Pseudomonas spp. In the dryland agroecosystem of the Inland Pacific Northwest. Applied and Environmental Microbiology 79(12):3887-3891.


Patzek, L.J., du Toit, L.J., Paulitz, T.C., and Jones, S.S. 2013. Stunting of onion caused by Rhizoctonia spp. isolated from the Columbia Basin of Washington and Oregon. Plant Disease 97(12):1626-1635.


Poole., G. J., Smiley, R. W., Walker, C., Huggins, D., Rupp, R., Abatzoglou, J., Garland-Campbell, K., and Paulitz, T. C.2013. Effect of climate on the distribution of Fusarium species causing crown rot of wheat in the Pacific Northwest of the US. Phytopathology 103:1130-1140.


Porch, T. G., Beaver, J. S., Abawi, G. S., and Estevez de Jensen, C. 2013. Registration of a small-red dry bean with low nitrogen fertility tolerance and root rot resistance, TARS-LFR1. Journal of Plant Registrations Vol. 7: (Accepted/in-press).


Poudyal, D. S., Paulitz, T. C., Porter, L., Eggers, J. Hamm, P. and du Toit, L. 2013. Effect of timing of glyphosate application to a winter wheat cover crop on stunting of spring-sown onions caused by Rhizoctonia spp. in the Columbia Basin of Washington, 2012. Plant Disease Management Reports 7:V046.


Poudyal, D. S., Paulitz, T. C., Porter, L., Eggers, J. Hamm, P. and du Toit, L. 2013. Efficacy of fungicides to manage onion stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2011-2012. Plant Disease Management Reports 7:V047.


Poudyal, D. S., Paulitz, T. C., Porter, L., Eggers, J. Hamm, P. and du Toit, L. 2013. Yield responses of three onion cultivars to stunting caused by Rhizoctonia spp. in the Columbia Basin of Oregon and Washington, 2012. Plant Disease Management Reports 7:V048.


Raaijmakers, J. M., and Mazzola, M. 2012. Diversity and natural functions of antibiotics produced by beneficial and pathogenic soil bacteria. Annual Review of Phytopathology 50:403-424.


Reardon, C. L., Strauss, S. L., and Mazzola, M. 2013. Effect of brassicaceae seed meal amendments on nitrogen cycling and nematode populations in orchard soils. Soil Biology & Biochemistry 57:22-29.


Sanogo, S., and Ji, P. 2013. Water management in relation to control of Phytophthora capsici in vegetable crops. Agricultural Water Management 129:113-119.


Sanogo, S., Schroeder, J., Thomas, S., Beacham, J., Fiore, C., Schmidt, N., Murray, L., and Liess, L. 2013. Weed species not impaired by Verticillium dahliae and Meloidogyne incognita interactions that damage chile pepper. Plant Health Progress (in press).


Sanogo, S., Lujan, P., Puppala, N., Idowu, J., Grover, K. 2013. Evaluation of selected biorational products for efficacy against fungal pathogens of Valencia peanut. APS Joint Caribbean and Pacific Division Annual Meeting; Tucson, Arizona, June 17-19, 2013.


Sanogo, S., and Lytle, M. 2013. Effect of the green algae Chlorella on vegetative growth and production of sporangia by Phytophthora capsici. APS Joint Caribbean and Pacific Division Annual Meeting; Tucson, Arizona, June 17-19, 2013.


Schroeder, K. L., Martin, F. N., de Cock, A. W. A. M., Levesque, C. A. Spies, C. F. J. Okubara, P. A., and Paulitz, T. C. 2013. Molecular detection and quantification of Pythium species: Evolving taxonomy, new tools, and challenges. Plant Disease 97(1):4-20.


Sikdar, P., Okubara, P., Mazzola, M., and Xiao, C. L. 201_. Development of PCR assays for diagnosis and detection of the postharvest pathogens Phacidiopycnis washingtonensis and Sphaeropsis pyriputrescens in apple fruit. Plant Disease: in press.


Smart, C.D. (2013) A case study in documenting research. Phytopathology 103:S2.190


Smiley, R. W., Marshall, J. M., Gourlie, J. A., Paulitz, T. C., Kandel, S. L., Pumphrey, M. O., Garland-Campbell, K., Yan, G. P., Anderson, M. D. Floers, M. D., and Jackson, C.A. 2013. Spring wheat tolerance and resistance to Heterodera avenae in the Pacific Northwest. Plant Disease 97(5):590-600.


Smith Becker, J., J. Borneman, and J.O. Becker 2013. Dactylella oviparasitica parasitism of the sugar beet cyst nematode observed in trixenic culture plates. Biological Control 64:51-56.


Stanghellini, M., Mohammadi, M. and Adaskaveg, J. 2013. Regulatory effect of soil matric water potentials on a unique tripartite (Cucumis-Monosporascus-Olpidium) host-specific rhizosphere interaction. Phytopathology 103:S2 138.


Stanghellini, M., Mohammadi, J. Adaskaveg, and H. Forster. 2013. Pythium brassicum: A novel host family-specific root pathogen. Phytopathology 103: S2 138.


Strauss, S. L., Reardon, C. L., and Mazzola, M. 2014. The response of ammonia-oxidizer activity and community structure to fertilizer amendment of orchard soils. Soil Biology and Biochemistry 68:410-418.


Summers, C.F., Park, S., Dunn, A.R., Rong, X., Everts, K.L., Meyer, S.L.F., Rupprecht, S.M., Kleinhenz, M.D., McSpadden Gardener, B., and Smart, C.D. (2014) Multi-State field trials demonstrate infrequent and site-specific effects of a single season of mixed-species cover crops on productivity and disease severity in tomato. Applied Soil Ecology accepted pending revision.


Summers, C.F. and Smart, C.D. (2013) Fungal and oomycete pathogen detection in the rhizosphere of organic tomatoes grown in cover crop treated soil. Phytopathology 103:S2.141


Tadych M, Bergen MS, White JF Jr. (In Press). Epichloë spp. associated with grasses: new insights on life cycles, dissemination and evolution. Mycologia (Accepted November, 2013).


Tancos, M.A. and Smart, C.D. (2013) Tomato fruit colonization by Clavibacter michiganensis subsp. michiganensis via external and internal routes. Phytopathology 103:S2.143


Tancos, M.A., Chalupowicz, L., Barash, I., Manulis-Sasson, S. and Smart, C.D. (2013) Tomato fruit and seed colonization by Clavibacter michiganensis subsp. michiganensis through external and internal routes. Applied and Environmental Microbiology 79:6948-6957.


Weerakoon, D. M. N., Reardon, C. L., Paulitz, T. C., Izzo, A. D., and Mazzola, M. 2012. Long-term suppression of Pythium abappressorium induced by Brassica juncea seed meal amendment is biologically mediated. Soil Biology & Biochemistry 51:44-52.


Witte, H., J. Smith Becker, and J.O. Becker 2012. In vitro growth response of Dactylella oviparasitica strain 50 to various culture media and environmental factors. J. Nematology 44: 497.


Wyatt, L.E., Dunn, A.R., Falise, M., Reiners, S., Jahn, M.M., Smart, C.D., and Mazourek, M. (2013) Red harvest yield and fruit characteristics of Phytophthora capsici-resistant bell peppers in New York. HortTechnology 23:356-363.


Xu, N., Ahuja, E., Janning, P., Mavrodi, D. V., Thomashow, L. W., and Blankenfeldt, W. 2013. Trapped intermediates in crystals of the FMN-dependent oxidase PhzG provide insight into the final steps of phenazine biosynthesis. Acta Crystallographica D69:1403-1413.


Yan, G., Smiley, R. W., Okubara, P. A., Skantar, A.M., and Reardon, K. L. 2013. Developing a real-time PCR assay for detection and quantification of Pratylenchus neglectus in soil. Plant Disease 96 (6):757-764.


Yan, G., Smiley, R. W., Okubara, P. A., and Skantar, A. 2014 Species-specific PCR assays for differentiating Heterodera filipjevi and H. avenae. Plant Disease: in press.


Yang, J., P.M. Ruegger, M.V. McKenry, J.O. Becker and J. Borneman 2012. Correlations between root-associated microorganisms and peach replant disease symptoms in a California soil. PLoS ONE 7(10): e46420. doi:10.1371/journal.pone.0046420


Yin, C., Hulbert, S. H., Schroeder, K. L., Mavrodi, O., Mavrodi, D., Dhingra, A., Schillinger, W. F. and Paulitz, T. C. 2013. The role of bacterial communities in the natural suppression of Rhizoctonia bare patch of wheat (Triticum aestivum L.) Applied and Environmental Microbiology 79: 7428


Yuen, G. Y. 2013. Biological control of turfgrass diseases. Abstr. No.? Proceedings of the 10th International Conference of Plant Pathology. Beijing, August 25-30, 2013.


Zahn, D.K., Haviland, D.R., Stanghellini, M.E., and Morse, J.G. 2013. Evaluation of Beauveria bassiana for management of citrus thrips (Thysanopter:Thripidae) in California Blueberries. J. of Econ. Entomol. 106:1986-1995.


Zhongnan Zhang, Jianjun Hao, Jiazheng Yuan, Qijian Song, David L. Hyten, Perry B. Cregan, Guorong Zhang, Cuihua Gu, Zhou, H., Fang, H., Sanogo, S., and Zhang, J. 2013. Segregation analysis of Verticillium wilt resistance in fourteen Gossypium hirsutum × Gossypium barbadense hybrids. Beltwide Cotton Conference, San Antonio, TX, Janaury 2013.


Zhou, X., Qian, G., Liu, F., and Yuen, G.Y. 2013 PilG in the biocontrol agent Lysobacter enzymogenes strain C3 positively regulates surface motility and negatively regulates antibiotic production. Phytopathology 103:S2.168.


Extension and Technical Publications


Abawi, G. S., K. Moktan, and J. Kikkert. 2013. Updating foliar diseases of beets and carrots and their management. Empire State Fruit and Vegetable Expo, Syracuse, NY. Proceedings, 4pp. (http://www.hort.cornell.edu/expo/proceedings.php)


Abawi, G. S., and K. Moktan. 2013. Bloat Nematode: a re-emerging and damaging pest of garlic and other crops. Pages 168  170, Proceedings of the Mid-Atlantic Fruit and Vegetable Conference, Hershey, PA.


Becker, J.O., A. Ploeg, and J. Nunez 2013. Management of root-knot nematodes with novel nematicides. California Tomato Research Institute 2012 Annual Report 109-112.


Becker, J.O., A. Ploeg, J. Nunez 2013. Mitigating root-knot nematode damage in carrot production. 2012 Annual Report California Fresh Carrot Advisory Board. pp. 66-73.


Benedict, C., and du Toit, L. J. 2013 Managing clubroot on crucifer crops. Whatcom Ag Monthly 2:10-12.


Caldwell, B. Sideman, E., Seaman, A. Shelton, A. and Smart, C. (2013) Resource Guide for Organic Insect and Disease Management. Cornell University Press. 202 pp. ISBN 0-9676507-8-X


Dunn, A., Reiners, S. and Smart C. (2013) Choosing bell pepper varieties to maximize Phytophthora tolerance and yield. Article for newsletters including VegEdge


Fry, W.E., McGrath, M.T., Zitter, T.A., McLeod, A., Danies, G., Small, I., Myers, K., Everts, K., Gevens, A., Gugino, B.K., Johnson, S., Judelson, H., Ristaino, J., Roberts, P., Secor, G., Seebold, K., Snover-Clift, K., Wyenandt, A., Grunwald, N.J., and Smart, C.D. (2013) The 2009 Late Blight Pandemic in Eastern USA. An American Phytopathological Society APSnet feature article that can be found at http://www.apsnet.org/publications/apsnetfeatures/Pages/2009LateBlight.aspx


Hansen, Z.R. and Smart, C.D. (2013) Tomato variety trial for resistance to late blight, 2012. Plant Disease Management Reports 7:V090. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN. Hao, J. J. Annual research report to Michigan Potato Industry Commission. East Lansing, MI. Jan. 17.


Jones, L.A., Worobo, R.W., and Smart, C.D. (2013) Pathogens in Surface Irrigation Water. 2013 Proceedings: 58th New Jersey Agricultural Convention and Trade Show. Atlantic City, NJ (p. 114-116).


Lange, H.W. and Smart, C.D. 2013. Evaluation of plant defense activators and bactericides for the control of black rot on cabbage, 2012. Plant Disease Management Reports 7:V060. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN.


Lange, H.W., Smart, C.D., and Seaman, A.J. 2013. Evaluation of fungicides allowed for organic production on alternaria blight and downy mildew of cauliflower, 2012. Plant Disease Management Reports 7:V050. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN.


Lange, H.W., Smart, C.D., and Seaman, A.J. 2013. Evaluation of fungicides allowed for organic production on downy mildew of cucumber, 2012. Plant Disease Management Reports 7:V049. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN.


Lange, H.W., Smart, C.D., and Seaman, A.J. 2013. Evaluation of fungicides allowed for organic production on powdery mildew of zucchini, 2012. Plant Disease Management Reports 7:V051. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN.


Lange, H.W., Smart, C.D., and Seaman, A.J. 2013. Evaluation of fungicides allowed for organic production on foliar diseases of tomato, 2012. Plant Disease Management Reports 7:V052. Online publication. doi: 10.1094/PDMR07. The American Phytopathological Society, St. Paul, MN.


Okubara, P. A., Mahoney, A., and Hulbert, S. H. 2013. Pre-breeding for root rot resistance using root morphology and shoot length. 2013 Dryland Field Day Abstracts, Technical Report 13-1, p. 31-32.


Smart, C.D. and Hansen, Z.R. (2013) Update on late blight. Proceedings of the 2013 York Fruit and Vegetable Expo, Syracuse, NY. On-line at http://www.hort.cornell.edu/expo/2013proceedings.php


Smart, C.D., Hansen, Z.R. and Tancos, M.A. (2013) Detecting downy mildew spores before symptoms develop. Proceedings of the 2013 York Fruit and Vegetable Expo, Syracuse, NY. On-line at http://www.hort.cornell.edu/expo/proceedings/2013/Vine%20Crops/Vine%20Crops%20Smart%20Downy%20Mildew.pdf


Smart, C.D. and Lange, H.W. (2013) Best control of downy mildew in cole crops. Proceedings of the 2013 York Fruit and Vegetable Expo, Syracuse, NY. On-line at http://www.hort.cornell.edu/expo/proceedings/2013/Cole%20Crops/Cole%20Crops%20Smart%20Downy%20Mildew%20copy.pdf


Smiley, R., Paulitz, T. C. and Marshall, J. 2012. Controlling root and crown diseases of small grain cereals. Extension Bulletin PNW 639. Suszkiw, Jan. "Crop-friendly bacteria tapped to battle fungal marauders," USDA ARS News, January 2013, p. 11.


Zhou, X.G., Everts, K.L. and Zhou, C., 2013. Field evaluation of Brassica biofumigation cover crops for management of Fusarium wilt in watermelon, 2009. Plant Dis. Mang. Rep. 7:V141. Online publication. doi: 10.1094/PDMR07


Extension and Outreach Presentations


Becker, J.O. Turfgrass and Landscape Institute, Etiwanda Gardens, Rancho Cucamonga, CA, December 11, 2013. "Natural Enemies of Plant Parasitic Nematodes". (invited presentation)


Becker, J.O. Annual Fall Desert Crops Workshop 2013. El Centro, CA, December 5, 2013. "New nematode management tools in processing tomato production." (invited presentation)


Becker, J.O. Desert Valleys CAPCA Coachella Valley Continuing Education Meeting, El Centro, CA, November 14, 2013. "Nature of botanical and microbial nematicides and their performance in root-knot nematode infested SoCA field trials." (invited presentation)


Becker, J.O. CAPCA Tree & Vine Seminar, San Marcos, Community Center, November 7, 2013. "Nematodes in wine grapes in Southern California vineyards." (invited presentation)


Becker, J.O. Turf and Landscape Field Day, UC Riverside, Sept 12, 2013. "Root-knot nematode studies on Brachypodium distachyon." (invited presentation)


Becker, J.O. Nematology Workshop for Industry Personnel, Harris Ranch, Coalinga, Aug 7, 2013. "Plant parasitic nematodes in California crops: biology, disease diagnosis, and management." (invited presentation with hands-on demonstrations)


Becker, J.O. CAPCA and UCCE IPM Seminar, UC South Coast Research and Extension Center, Irvine, CA, May 16th, 2013. "Plant parasitic nematode management research at SCREC." (invited presentation).


Becker, J.O. Conference on Soilborne Plant Pathogens, Corvallis, OR, March 27, 2013. "Nematode suppressive organisms: Are we investigating the right target?" (invited presentation)


Becker, J.O. UCCE Landscape Disease Symposium, Hansen Agricultural Center, Santa Paula, CA, Feb 28, 2013. "Lessons from nematode-suppressive soils." (invited presentation)


Becker, J.O. University Extension Turf Management Certificate Course, 3 hr class plus on-line feed -back, UC Riverside Extension, Feb 26, 13, Riverside, CA. "Turf Management: Plant Parasitic Nematodes." (invited presentation)


Becker, J.O. Sugar beet Annual meeting, Holtville, January 30, 2013. "Biological, biorational and chemical population suppression of sugar beet cyst nematodes." (invited presentation)


du Toit, L. J. "Disease management in carrot seed crops: What? When? How?" Columbia Basin Vegetable Seed Assoc. Annu. Meeting, 15 Jan. 2013, Moses Lake, WA.


du Toit, L. J. "Disease management in onion seed crops: What? When? How?" Columbia Basin Vegetable Seed Assoc. Annual Meeting, 15 Jan. 2013, Moses Lake, WA.


du Toit, L. J. "Does this product really work? Distinguishing sound science from hot air in product promotional materials." General Vegetable Session, Pacific Northwest Vegetable Association 26th Annual Conference & Trade Show, 13-14 Nov. 2013, Kennewick, WA.


du Toit, L .J. "Evaluation of Proline for management of Fusarium wilt in spinach seed crops." Puget Sound Seed Growers Annu. Meeting, 25 Jan. 2013, Mount Vernon, WA.


du Toit, L. J. "Fusarium and Verticillium wilts in spinach seed production: Research update." 2013 Wilbur Ellis/Alf Christianson Seed Co. Vegetable Seed Growers Meeting, 6 Feb. 2013, Burlington, WA.


du Toit, L. J. "Managing seed borne diseases: Lessons learned from Verticillium and spinach seed." Invited presentation at Seed Central  Science, organized by the Seed Biotechnology Center, Univ. of California  Davis Seed Science Center, 14 Feb. 2013, Davis, CA.


du Toit, L. J. "Management of Verticillium associated with spinach seed." Invited presentation, Annual Research Symposium of the California Leafy Greens Research Board, 19 Mar. 2013, Harris Ranch, CA. Followed by panel discussion on Verticillium in lettuce and spinach, with L. du Toit (Washington State Univ.), and K. Subbarao and S. Koike (Univ. of California-Davis).


du Toit, L. J. "Management of Verticillium in spinach: Research report." Puget Sound Seed Growers Annu. Meeting, 25 Jan. 2013, Mount Vernon, WA.


du Toit, L. J. "Management of Verticillium in spinach: Final report." Presented in Permanent Research Fund Committee and Emerging Diseases Committee meetings, American Seed Trade Assoc. 52nd Vegetable & Flower Seed Conf., 26-29 Jan. 2013, Scottsdale, AZ.


du Toit, L. J. "Mycorrhizae in onion bulb crops." Organic Session, Pacific Northwest Vegetable Association 26th Annual Conference & Trade Show, 13-14 Nov. 2013, Kennewick, WA.


du Toit, L. J. "Neck rot identification and management based on Achilles heel". Invited presentation, United Kingdom Onion and Carrot Conference & Exhibition, 20-21 Nov. 2013, Peterborough, UK.


du Toit, L. J. "Onion neck rot: Effective management based on Achilles heel." Invited presentation, 62nd Annual Muck Vegetable Growers Conf., 3-4 Apr. 2013, Bradford, Ontario, Canada.


du Toit, L. J. "Why was pink root so prevalent in 2013?" Onion Session, Pacific Northwest Vegetable Assoc. 26th Annu. Conf. & Trade Show, 13-14 Nov. 2013, Kennewick, WA.


Everts, K. L. 2013. Fusarium oxysporum f. sp. niveum on Watermelon: The Search for New Solutions to a Re-emerging Problem. Sustainable Agriculture Seminar Series, Beltsville Agriculture Research Center, Beltsville, MD. Feb. 13, 2013


Everts, K. L. "Multiple Tactics to Control Diseases in Vine Crops." Delaware Agriculture Week, Vine Crops Session, Harrington, DE. Jan. 15, 2013


Everts, K. L. "Update on Disease Control in Vegetable Crops." WMREC Horticultural Crops Twilight Meeting, Keedysville, MD. Aug. 21, 2013


Everts, K. L. "Update on Disease Control in Vegetable Crops." Wye Research and Education Center Horticultural Crops Twilight Meeting, Queenstown, MD. Aug 28, 2013


Everts, K. L. "Vegetable Disease Update and Research in Maryland and Delaware in 2013." Mid-Atlantic Vegetable Workers Conference, Newark, DE. Nov. 6, 2013


Gatch, E. W., and du Toit, L. J. "Management of Fusarium wilt in spinach seed crops." Puget Sound Seed Growers Annu. Meeting, 25 Jan. 2013, Mount Vernon, WA.


Gatch, E. W. and du Toit, L. J. "Shifts in soil microbial community associated with limestone-mediated suppression of spinach Fusarium wilt." 59th Conf. Soilborne Plant Pathogens, 26-28 Mar. 2013, Corvallis, OR.


Hao, J. J. Title: "Bio-based Strategies to Manage Potato Diseases". 2013 Potato Pest Management Conference. Presque Isle Inn and Convention Center, Presque Isle, ME. Dec. 4, 2013.


Himmelstein, J.C., Everts, K., Balci, Y. 2013. Watermelon root arbuscular mycorrhizal colonization is enhanced following Vicia villosa and Trifolium incarnatum cover crops. Shephardstown, WV. 2013 Annual Meeting of the Potomac Division of the American Phytopathological Society. Shepardstown, WV.


Himmelstein, J.C., Everts, K.L., Maul, J. and Balci, Y. 2013 General suppression of Fusarium wilt of watermelon via spring incorporated Vicia villosa and Trifolium incarnatum cover crops. 2013 Annual Meeting of the American Phytopathological Society. Austin, TX.


Jiang, H. H., Meng, Q., and Hao, J. J. 2013. Potentials and mechanisms of Bacillus amyloliquefaciens BAC03 in plant disease control. 73rd Annual Meeting of the Northeastern Divisin of the American Phytopathological Society. Oct. 23-25.


Mu, W., Li, B., Chen, C., Hao, J., and Liu, X. 2013. Molecular mechanisms of thifluzamide resistance in Rhizoctonia solani. 73rd Annual Meeting of the Northeastern Divisin of the American Phytopathological Society. Oct. 23-25.


Paulitz, T. C. and Schillinger, W. "Management of Fresh Wheat Residue for Irrigated Winter Canola Production". PNW Canola Commission Meeting, Moscow, ID. Jan 30, 2013.


Paulitz, T. C. "Root Disease Research at ARS Pullman-Whats New?" Spokane Farm Forum, Ag Expo, Feb. 5, 2013. Paulitz, T. C. "Fusarium Crown Rot on Wheat: Prebreeding and Development of Tools for Genetic Disease Management". Washington Grain Commission, Pullman, WA Feb. 19, 2013.


Paulitz, T. C. titled "Management of Fresh Wheat Residue for Irrigated Winter Canola Production". Washington State Department of Ecology, Ag Burning Task Force. Spokane, WA. June 11, 2013.


Schroeder, K. L. Diseases in canola. Far West Washington Winter Conference, Pasco, WA. December 11, 2012.


Schroeder, K. L. Survey of Rhizoctonia spp. from wheat soils in the U.S. and determination of pathogenicity on wheat and barley. Global Root Health Forum, Beijing, China. September 3, 2013.


Schroeder, K. L. The dynamics and ecology of Pythium species in cereal-based cropping systems as determined by real-time PCR. Seed and Seedling Oomycete Summit, Manhattan, KS. June 11, 2013.


Schroeder, K. L. Overview of soilborne pathogens: Rhizoctonia, Fusarium and take-all. Montana State University Extension Ag Tour, Pullman, WA. June 6, 2013.


Schroeder, K. L. Temporal shifts in soilborne pathogen populations in dryland wheat cropping systems. Conference on Soilborne Plant Pathogens, Corvallis, OR. March 27, 2013.


Schroeder, K. L. Diseases in canola. 2013 WSU Oilseed Production and Marketing Conference, Kennewick, WA. January 22, 2013. Stanghellini, M. Storkan-Hanes-McCaslin Foundation, June 24, 2012, San Marcos, California. Management strategies for soilborne root-infecting pathogens. 30 minutes presentation.


Graduate student theses supervised


Alcala, Ana Vida C. 2013. Management of damping-off caused by Pythium spp. in organic vegetable production in the Pacific Northwest. PhD dissertation, Washington State University, Pullman, WA.


Escobar, Carolina. 2013. Chapter three: management of Sclerotinia stem rot by integration of biocontrol and chemical strategies under field. M.S. Thesis., Michigan State Unversity.


Gatch, Emily W. 2013. Management of Fusarium wilt in spinach seed crops in the maritime Pacific Northwest USA. PhD dissertation, Washington State University, Pullman, WA.


Himmelstein, J., 2013. Mechanisms of disease suppression by a hairy vetch (Vicia villosa) cover crop on Fusarium wilt of watermelon and the efficacy of the biocontrol Actinovate.). Ph.D. Dissertation. U. of Maryland


Meng, Qingxiao. 2013. Characterization of Bacillus amyloliguefaciens strain bac03 in disease control and plant growth promotion. Ph.D. Thesis.Michigan State Unversity.


Thompson, Alison. 2013. Identifying root-lesion nematode (Pratylenchus spp.) resistance and functional mechanisms in wheat. Washington State University, Pullman, WA.

01/09/2015

Peer-reviewed

Beltran-Garcia, M., White, J. F., Prado, F. M., Prieto, K. R., Yamaguchi, L. F., Torres, M. S., Kato, M. J., Medeiros, M. H. G., and Di Mascio, P. 2014. Nitrogen acquisition in Agave tequilana from degradation of endophytic bacteria. Scientific Reports 11/2014; 4:6938.


Benecke, S., Jeske, D.R., Ruegger, P., and Borneman, J. 2013. Bayes neutral zone classifiers with applications to nonparametric unsupervised settings. Journal of Agricultural, Biological, and Environmental Statistics 18:39-52.


du Toit, L.J., Derie, M.L., and Alcala, A.C. 2014. First report of Pythium sulcatum causing cavity spot in processing carrot crops in the Columbia Basin of Washington State. Plant Disease 98:427.


Dunn, A. R., Bruening, S. R., Grünwald, N. J., and Smart, C. D. 2014. Evolution of an experimental population of Phytophthora capsici in the field. Phytopathology 104:1107-1117.


Dunn, A.R., Lange, H.W., and Smart, C.D. 2014. Evaluation of commercial bell pepper cultivars for tolerance to Phytophthora blight. Plant Health Progress 15:19-24.


Guarnaccia, V., Hansen, Z.R., Aiello, D., Smart, C.D., and Polizzi, G. 2015. First detection of root rot and foliar blight on Pittosporum (Pittosporum tenuifolium) caused by Pythium irregulare in Italy. Journal of Phytopathology in press.


Henkels, M.D., Kidarsa, T.A., Shaffer, B.T., Goebel, N.C., Burlinson, P., Mavrodi, D.V., Bentley, M.A., Rangel, L.I., Davis II, E.W., Thomashow, L.S., Zabriskie, T.M., Preston, G.M., Loper, J.E. 2014. Pseudomonas protegens Pf-5 causes brown blotch symptoms on mushroom due to the production of antifungal metabolites. Molecular Plant-Microbe Interactions. 27(7):733-746.


Hewavitharana, S. S., Ruddell, D., and Mazzola, M. 2014. Carbon source-dependent antifungal and nematicidal volatiles derived during anaerobic soil disinfestation. Eur. J. Plant Pathol. 140:39-52.


Himmelstein, J. C., Maul, J., and Everts, K. L., 2014. Impact of five cover crop green manures and Actinovate on Fusarium wilt of watermelon. Plant Disease, 98: in press. (doi: http://dx.doi.org/10.1094/PDIS-06-13-0585-RE)


Huang, Y.T., Yang, J., Chrobak, M. and Borneman, J. 2014. PRISE2: Software for designing sequence-selective PCR primers and probes. BMC Bioinformatics 2014, 15:317.


Jones, L.A., Worobo, R.W. and Smart, C.D. 2014. Plant pathogenic oomycetes, Escherichia coli, Salmonella spp. frequently found in surface water used for irrigation of fruit and vegetable crops in New York State. Applied and Environmental Microbiology 4814-4820.


Kandel, S.L., Smiley, R.W., Garland-Campbell, K., Elling, A.A., Abatzoglou, J., Huggins, D., Rupp, R., Paulitz, T.C. 2013. Relationship between climatic factors and distribution of Pratylenchus spp. in the dryland wheat-production areas of eastern Washington. Plant Disease. 97(11):1448-1456.


Leuchtmann, A., Bacon, C. W., Schardl, C. L., White, J. F. and Tadych, M. 2014. Nomenclatural realignment of Neotyphodium species with genus Epichloe. Mycologia 04/2014; 106(2): 202-215.


Liu, Y., de Bruijn, I., Jack, A., van der Voort, M., Drynan, K., van den Berg, A., van West, Pl, Thoen, E., Kdaar, I., Sandoval-Sierra, J., Dieguez-Uribeondo, J., Mendes, R., Mazzola, M., and Raaijmakers, J. 2014. Deciphering microbial landscapes of fish eggs to mitigate emerging diseases. ISME Journal: doi:10.1038/ismej.2014.44


Marzano, S.L., Wander, M.M, Villamil, M.B. Ugarte, C.M., Zaborski, E.R., and Eastburn, D.M. 2014. Organic amendment and transitional cropping system effects on crop diseases. Agronomy Journal. (in press) doi:10.2134/agronj2013.0189


Mazzola, M., and Hewavitharana, S. 2014. Carbon source-dependent volatile production and ASD efficacy for suppression of apple root pathogens. Acta Horticulturae 1044:209-214.


Mazzola, M., and Strauss, S. L. 2014. Replant disease control and system resilience to pathogen re-infestation in response to Brassica seed meal amendment. Acta Horticulturae. 1044:105-112.


Mazzola, M., Hewavitharana, S. and Strauss, S. L. 2015. Brassica seed meal soil amendments transform the rhizosphere microbiome and improve apple production though resistance to pathogen re-infestation. Phytopathology (accepted).


Muramoto, J., Shennan, C, Baird, G., Zavatta, M., Koike, S. T., Bolda, M. P., Daugovish, O., Dara, S. K., Klonsky, K. and Mazzola, M. 2014. Optimizing anaerobic soil disinfestation for California strawberries. Acta Horticulturae 1044:215-220.


Okubara, P.A., Dickman, M.B., Blechl, A.E. 2014. Molecular aspects of controlling the soilborne necrotrophic pathogens Rhizoctonia and Pythium. Plant Science. Available: http://dx.doi.org/10.1016/j.plantsci.2014.02.001.


Okubara, P.A., Schroeder, K.L., Abatzoglou, J.T., Paulitz, T.C. 2014. Agroecological factors correlated to soil DNA concentrations of Rhizoctonia in dryland wheat production zones of Washington State. USA. Phytopathology. 104(7):683-691.


Patzek, L.J., du Toit, L.J., Paulitz, T.C., Jones, S.S. 2013. Stunting of onion in the Columbia Basin of Oregon and Washington caused by Rhizoctonia spp. Plant Disease. 97(12):1626-1635.


Poole, G.J., Smiley, R.W., Walker, C., Huggins, D., Rupp, R., Abatzoglou, J., Garland-Campbell, K., Paulitz, T. C. 2013. Effect of climate on the distribution of Fusarium spp. causing crown rot of wheat in the Pacific Northwest of the United States. Phytopathology. 103(11):1130-1140.


Ruegger, P.M., Clark, R.T., Weger, J.R., Braun, J., and Borneman, J. 2014. Improved resolution of bacteria by high throughput sequence analysis of the rRNA internal transcribed spacer. J. Microbiol. Methods. 105:82-7.


Schillinger, W.F., Paulitz, T.C. 2014. Natural suppression of Rhizoctonia bare patch in a long-term no-till cropping systems experiment. Plant Disease. 98(3):389-394.


Shennan, C., Muramoto, J., Lamers, J., Mazzola, M., Rosskopf, E., Kokalis-Burelle, N., Momma, N., Butler, D., and Kobara, Y. 2014. Anaerobic soil disinfestation for soil borne disease control in strawberries and vegetable systems: Current knowledge and future directions. Acta Horticulturae 1044:165-175.


Shi, Z., Balogh-Brunstad, Z., Grant, M., Harsh, J., Gill, R., Thomashow, L.S., Donalkova, A., Stacks, D., Letourneau, M., Keller, C. K. 2014. Cation uptake and allocation by red pine seedlings under cation-nutrient stress in a column growth experiment. Plant and Soil. 378(1-2):83-98.


Stanghellini, M., Mohammadi, J. Adaskaveg, and H. Forster. 2014. Pythium brassicum: A novel host family-specific root pathogen. Plant Disease: (accepted for publication on May 17, 2014: article in First Look).


Stanghellini, M., Mohammadi, M. and Adaskaveg, J. 2014. Effect of soil matric water potentials on germination of ascospores of Monosporascus cannonballus and colonization of melon roots by zoospores of Olpidium bornovanus. Eur. J. Plant Pathol. 139:387-392.


Stanghellini, M.E., Mohammadi, M., Mathews, D.M., and Adkins, S. 2014. First report of vine decline of mature watermelon plants caused by Olpidium bornovanus. Plant Disease 98:852.


Summers, C.F., Park, S. Dunn, A.R., Rong, X., Everts, K.L., Kleinhenz, M.D., McSpadden Gardener, B., and Smart, C.D. 2014. Fungal and oomycete pathogen detection in the rhizosphere of organic tomatoes grown in cover crop-treated soils. Applied Soil Ecology 80:44-50.


Summers, C.F., Park, S. Dunn, A.R., Rong, X., Everts, K.L., Kleinhenz, M.D., McSpadden Gardener, B., and Smart, C.D. 2014. Fungal and oomycete pathogen detection in the rhizosphere of organic tomatoes grown in cover crop-treated soils. Applied Soil Ecology 80:44–50.


Summers, C.F., Park, S., Dunn, A.R., Rong, X., Everts, K.L., Meyer, S.L.F., Rupprecht, S.M., Kleinhenz, M.D., McSpadden Gardener, B., and Smart, C.D. 2014. Multi-State field trials demonstrate infrequent and site-specific effects of a single season of mixed-species cover crops on productivity and disease severity in tomato. Applied Soil Ecology 77:51-58.


Summers, C.F., Park, S., Dunn, A.R., Rong, X., Everts, K.L., Meyer, S.L.F., Rupprecht, S.M., Kleinhenz, M.D., McSpadden Gardener, B., and Smart, C.D. 2014. Single season effects of mixed-species cover crops on tomato health (cultivar Celebrity) in multi state field trials. Applied Soil Ecology 77:51-58.


Tadych, M., Bergen, M. S., and White, J. F. 2014. Epichloë spp. associated with grasses: new insights on life cycles, dissemination and evolution. Mycologia 04/2014; 106(2): 181-201.


Tanaseichuk, O., Borneman, J., and Jiang, T. 2014. Phylogeny-based
classification of microbial communities. Bioinformatics 30:449-56.


White, J. F., Torres, M. S., Sullivan, R. F., Jabbour, R. E., Chen, Q., Tadych, M., Irizarry, I., Bergen, M.S., Havkin-Frenkel, D., and Belanger, F. C. 2014. Occurrence of Bacillus amyloliquefaciens as a systemic endophyte of vanilla orchids. Microscopy Research and Technique DOI: 10.1002/jemt.22410.


White, J. F., Torres, M. S., Somu, M. P., Johnson, H., Irizarry, I., Chen, Q., Zhang, N., Walsh, E., Tadych, M., and Bergen, M. 2014. Hydrogen peroxide staining to visualize intracellular bacterial infections of seedling root cells. Microscopy Research and Technique. 05/2014; DOI: 10.1002/jemt.22375


Yang, M.-M., Wen, S.-S., Mavrodi, D.V., Mavrodi, O.V., von Wettstein, D., Thomashow, L.S., Guo, J.-H., and Weller, D.M. 2014. Biological control of wheat root diseases by the CLP-producing strain Pseudomonas fluorescens HC1-07.
Phytopathology. 104(3):248-256.


Yin, C.T., Hulbert, S.H., Schroeder, K.L., Mavrodi, O., Mavrodi, D., Dhingra, A., Schillinger, W.F., Paulitz, T.C. 2013. Role of bacterial communities in the natural suppression of Rhizoctonia solani bare patch disease of wheat (Triticum aestivum L.). Applied and Environmental Microbiology. 79(23):7428-7438.


Zhu, Y., Shin, S., Lu, J., Fazio, G., and Mazzola, M. 2015. Transcriptional regulation of ethylene and jasmonate mediated defense response in apple (Malus domestica) root during Pythium ultimum infection. Horticulture Research (accepted).


Books and book chapters


Becker, J.O. 2014. Citrus Pest Management: Nematodes. In: UC Citrus Production Manual, eds. L. Ferguson, E. E. Grafton-Cardwell. Univ. of Calif. Agric. and Nat. Resour. publication 3539 pp. 303-306.


Becker, J.O. 2014. Plant Health Management: Crop Protection with Nematicides. In: Neal Van Alfen, editor-in-chief. Encyclopedia of Agriculture and Food Systems, Vol. 4, San Diego: Elsevier, pp. 400-407.


Chincholkar, S., Thomashow, L.S. 2013. Microbial Phenazines: Biosynthesis, Agriculture and Health. Springer. 248 p.


Mathews, D.M., J.O. Becker, and S. Tjosvold. 2014. Plant Diseases. Chapter 13. In Newman, J. (ed) Container Nursery Production and Business Management Manual. Univ. of Calif. Agric. and Nat. Resour. Publication 3540. Richmond, CA. pp.178-200.


Thomashow, L.S. 2013. Phenazines in the environment: microbes, habitats, and ecological relevance. Pp 199-216 In: Chincholkar, S. and Thomashow, L., editors. Microbial phenazines: biosynthesis, agriculture and health. London, Springer. p. 199-216


Extension and Technical Bulletins and Popular Press
Becker, J.O., A. Ploeg, and J. Nunez 2014. Management of root-knot nematodes with novel nematicides. California Tomato Research Institute 2013 Annual Report 92-98.


Becker, J.O., and J. Borneman 2014. Biological, Biorational and Chemical Population Suppression of the Sugar Beet Cyst Nematode. 2013 Report to the California Sugar Beet Industry. 3 pp.


du Toit, L.J., Derie, M.L., and Waters, T.D. 2014. 2013 Carrot cavity spot Serenade Soil trial. Research report submitted to Dean Christie, Bayer CropScience, in Jan. 2014. 6 pp.


du Toit, L.J., Derie, M.L., and Waters, T.D. 2014. 2013 Onion pink root Serenade Soil efficacy trial in Pasco, Washington. Research report submitted to Dean Christie, Bayer CropScience, in Feb. 2014. 5 pp.


du Toit, L.J., Derie, M.L., Holmes, B.J., and Youngquist, C.P. 2014. Effect of Proline and a biosolids compost on Fusarium and Verticillium wilts in a spinach seed crop, 2013. Plant Disease Management Reports 8:V280.


du Toit, L.J., Sharma-Poudyal, D., Knerr, J., and Paulitz, T. 2014. Mycorrhizae in onion bulb production in the Columbia Basin. Pp. 7-8 in: 2014 WSU Onion Cultivar Demonstration & Field Day handouts. Washington State University, Pullman, WA.


du Toit, L.J., Sharma-Poudyal, D., Paulitz, T., Hamm, P., and Eggers, J. 2014. Effect of deep vs. shallow tillage on onion stunting caused by Rhizoctonia solani AG 8 and onion bulb yield. Pp. 9-10 in: 2014 WSU Onion Cultivar Demonstration & Field Day handouts. Washington State University, Pullman, WA.


Everts, K.L. 2014. Problematic Pathogens. American Vegetable Grower Magazine. Dec. 2014.


Sharma-Poudyal, D., Eggers, J., Paulitz, T.C., Hamm, P., and du Toit, L.J. 2014. Effect of deep vs. shallow tillage on onion stunting and onion bulb yield, 2012. Plant Disease Management Reports 8:V306.


Sharma-Poudyal, D., Paulitz, T.C., Linderman, R.G., and du Toit, L.J. 2014. Effect of arbuscular mycorrhizal fungi on onion growth and onion stunting caused by Rhizoctonia solani, 2013. Plant Disease Management Reports 8:V305.


Stoven, H. and Parke, J. 2014. Nasty Nostoc. Digger 58:25-29.


Meeting presentations and proceedings

Abawi, G. S., Moktan, K.Stewart, C., Hadad, R., Jones, L. and Smart, C. 2014. Updating the status of the re-emerging and damaging bloat nematode on garlic: Proceedings of the NED-APS meeting in Portsmouth, NH during October 29-31, 2014.


Becker, J.O. 2014. Observations on nematode-suppressive soils leading to IPM approaches. Proceedings of 6th International Congress of Nematology, 48.


Borneman, J. 2014. "Utilizing the Endophytic Phytobiome to Develop Effective and Sustainable HLB Management Strategies." Presented at the W3147 Annual Meeting, October 24, 2014, Mission Inn, Riverside, CA.


Collins, B.D., du Toit, L.J., Westerveld, S.M., and McDonald, M.R. Suppression of Fusarium wilt of spinach with chemical and biological fumigants. VIII International Symposium on Chemical & Non-Chemical Soil & Substrate Disinfestation. 13-18 July 2014, Turin, Italy. Poster presentation.


Everts, K. L. 2014. Cover crops induce general suppression of watermelon Fusarium wilt in the Mid-Atlantic. 2014 Watermelon Research & Development Working Group Annual Meeting. (In conjunction with the Southern Region of the American Society for Horticultural Sciences Annual Meeting.) Dallas, TX. 02/01/2014


Funahashi, F. and Parke, J. 2014. Effects of soil water potential and diurnal temperature fluctuation on survival of soilborne Phytophthora ramorum and Phytophthora pini inoculum. ASA, CSA, & SSSA International Annual Meeting, Nov. 2-5, Long Beach, CA.


Funahashi, F. and Parke, J. 2014. Modeling soil solarization and biocontrol of soilborne Phytophthora spp. in container nurseries. Eighth International Symposium on Chemical and Non-Chemical Soil and Substrate Disinfestation, ISHS, July 13-17, Torino, Italy.


Gond, S. K., Bergen, M. S., Helsel, Z., Torres, M. S., and White, J. F. 2014. Rhizobacterium Pantoea agglomerans enhances salt stress tolerance of tropical corn (Zea mays indurata). 5th ASM Conference on Beneficial Microbes (Sept. 27-30) in Washington, DC.


Li, H-Y., Soares, M. A., Torres, M. S., Bergen, M., and White, J. F. 2014. Endophytic bacterium, Bacillus amyloliquefaciens, in ornamental Hosta cultivar enhances plant resistance to insects. 5th ASM Conference on Beneficial Microbes (Sept. 27-30, 2014) in Washington, DC.


Meyer, S.L.F., Zasada, I.A., Rupprecht, S.M., Hooks, C.R.R., Morra, M.J., Everts, K.L. 2014. Mustard seed meal amendments for suppression of Meloidogyne incognita on tomato. Annual Meeting of the American Phytopathological Society. Minneapolis, MN.


Parke, J. and Funahashi, F. Solarization as a potential method to disinfest nursery soil contaminated by Phytophthora species. Mar. 11-13, 2014. 60th Annual Conference on Soilborne Plant Pathogens. Dominican University, San Rafael, CA. Contributed talk.


Parke, J. L. 2014. A systems approach for managing Phytophthora diseases in horticultural nurseries. Special Session: A Systems Approach for Microbe Management: From Food Safety to Plant Health. APS-CPS Annual Meeting, St. Paul, MN Aug. 9-14. Invited talk.


Paulitz, T. C. 2014. The First meeting of the Pacific Coast Research Conference on Control of Soil Fungi: Ripples in a Pond. Joint Meeting of the 60th Annual Conference on Soilborne Pathogens, San Rafael, California, March 11-14, 2014


Raudales, R. E., Parke, J. L., and Fisher, P. R. 2014. Chlorine efficacy to control Phytophthora nicotianae in solutions containing peat particles or nitrogen salts. ASHS.


Reed-Jones, N.L., Marine, S.C., Everts, K.L., Micallef, S.A. 2014. Evaluating the effect of cover crops on the survival and growth dynamics of bacterial indicators in soil and on cantaloupes grown organically. BARC-UMD Symposium on "Organic Production: Food, Health and Ecosystems" November 13th, 2014


Shennan, C., Muramoto, J., Zavatta, M. and Mazzola, M. 2014. Non-fumigant approaches for controlling Fusarium wilt and charcoal rot of strawberry. Pages 11.1-11.4 in Proceedings, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA


Soares, M. A., Li, H., Bergen, M. and White, J. F. 2014. Endophytic colonization of invasive Hedera helix L. by plant growth-promoting bacterium Bacillus amyloliquefaciens. 5th ASM Conference on Beneficial Microbes (Sept. 27-30, 2014) in Washington, DC.


Soares, M. A., Li, H., Bergen, M., and White, J. F. 2014. Endophytic colonization of invasive Hedera helix L. by plant growth-promoting bacterium Bacillus amyloliquefaciens. 5th ASM Conference on Beneficial Microbes (Sept. 27-30, 2014) in Washington, DC.


Thompson, A., Garland, Campbell, K. Paulitz, T. and Smiley, R. 2014. Rooting out defense mechanisms in wheat against plant parasitic nematodes. American Society of Plant Biologists Conference. July 12-16, Portland, Oregon.


Witte, H., J. Yang, J. Borneman, J. Smith Becker, and J.O. Becker 2014. Assessment of soils for the presence of the nematophagous fungus Dactylella oviparasitica by a PCR-based strategy. Proceedings of 6th International Congress of Nematology, 49.


Zavatta, M., Shennan, C., Muramoto, J., and Mazzola, M. 2014. Evaluating C-sources for anaerobic soil disinfestation. Pages 12.1-12.4 in Proceedings, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA


Abstracts


Becker, J.O. 2013. Disease protection against sedentary plant parasitic nematodes through combination products with agrochemical and biological control agents. J. Nematology 45: 282.


Collins, B.D., McDonald, M.R., du Toit, L.J., and Westerveld, S. 2014. Identifying spinach cultivars with reduced susceptibility to Fusarium wilt. Phytopathology 104: presentation at the APS-Canadian Phytopathological Society Annual meeting, 9-13 Aug. 2014, Minneapolis, MN.


Eberlein, C., Vidal, S., J.O. J.O. and Westphal, A. 2013. Population density suppression of Globodera pallida in a multi-year microplot trial with potato monoculture. Journal of Plant Diseases and Protection 120:142.


Knerr, J., Sharma-Poudyal, D., Paulitz, T., and du Toit, L.J. 2014. Evaluation of arbuscular mycorrhizal fungi (AMF) in conventional and organic onion production in the Columbia Basin, and the potential use of AMF to reduce the impact of soilborne pathogens of onion. WSU Center for Sustaining Agriculture & Natural Resources (CSANR) BIOAg Symposium “Saving Nature and Improving Agriculture: Where does Nature’s Wisdom Lie?”, 28 Oct. 2014, Pullman, WA.


Manning-Thompson. Y., Pumphrey, M., Garland-Campbell, K., and Paulitz, T. 2014. Screening locally adapted spring wheat lines for resistance to cereal cyst nematode. 2014 Dryland Field Day Abstracts. Dept. of Crop and Soil Sciences Technical Report 14-1. Pg. 68.


McFarland, C., Huggins, D., Brown, T., Schroeder, K., Koenig, R., Blackburn, J., Carpenter-Boggs, L. and Paulitz, T. C. 2014, Remediation of stratified soil acidity through surface application of lime in no-till cropping systems. 2014 Dryland Field Day Abstracts. Dept. of Crop and Soil Sciences Technical Report 14-1. Pg. 34.


Okubara, P., A., Schroeder, K. L., and Paulitz, T. C. 2014. Distribution of Rhizoctonia bare patch and root rot in Eastern Washington and relation to climatic variables. 2014 Dryland Field Day Abstracts. Dept. of Crop and Soil Sciences Technical Report 14-1. Pg. 63.


Schillinger, W., Paulitz, T., Schibel, J., Jacobsen, J. and Schoftoll, S. 2014. Management of fresh wheat residue for irrigated winter canola production. 2014 Dryland Field Day Abstracts. Dept. of Crop and Soil Sciences Technical Report 14-1. Pg. 54.


Stanghellini, M.E., Mohammadi, J. and Stowell, L. 2014. Desbotaca arida: a culturable mycorrhizal ascomycete with a wide host range including Brassica from desert habitats. Phytopathology (abstract) in press.


Extension Talks/Field Days/Workshops/Consultations


Aujia, I. S., Lawrence, N. C., Taylor, L. B, Paulitz, T. C., and Burke, I. C.. 2014. Rhizoctonia Bare Patch and the Green Bridge. Regional Approaches to Climate Change Annual Conference: Regional Approaches to Climate Change. Kennewick, Washington, March 5-7, 2014.


Becker, J.O. 2014. "Seed treatments against plant parasitic nematodes: When a little goes a long way." 6th International Congress of Nematology, Cape Town, South Africa, May 4-9, 2014 (invited symposium talk in session Nematicides).


Becker, J.O. 2014. "Citrus nematode, hands-on learning." UC Riverside Citrus Day for Professional Industry members. UCR Agricultural Operations, Riverside, CA, Feb 20, 2014 (invited presentation)


Becker, J.O. 2014. "Observations on nematode-suppressive soils leading to IPM approaches." 6th International Congress of Nematology, Cape Town, South Africa, May 4-9, 2014. (invited symposium talk in session Biological Control).


Becker, J.O. 2014. "Plant Parasitic Nematodes in California Turf"University Extension Turf Management Certificate Course, 3 hr lecture (webinar), UC Riverside Extension, May 20, 2014, Riverside, CA. (invited presentation).


Becker, J.O. 2014. "Population suppression of sugarbeet cyst nematodes."California Sugar Beet Industry Research Meeting, Holtville, CA, January 29, 2014.


Becker, J.O. 2014. “How to address root knot nematode damage in melons?” Field day with company representatives, South Coast Research and Extension Center, Irvine, CA. September 9, 2014


Becker, J.O. 2014. “Efficacy of new nematicides” .Tomato field day with UCCE farm advisor Joe Nunez, Shafter, CA, September 18, 2014. ca 25 grower, industry personnel (Adama, Valent, DuPont), Press/Radio. (invited).


Becker, J.O. 2014. “Everything you always wanted to know about turf grass nematodes and their control”.Turf & Landscape Field Day, AgOps, UC Riverside, September 11, 2014. (invited presentation).


Becker, J.O. 2014. “Next-Generation Nematicides 25th Annual Fall Desert Crops Workshop 2014. El Centro, CA, November 13.” (invited presentation).


Becker, J.O. 2014. “Root gall ratings and disease-related yield losses in tomatoes”.Field day, South Coast Research and Extension Center, August 15, 2014.


Becker, J.O. 2014. “Symptom expressing and damage potential by root knot nematodes in carrots”. Field day, South Coast Research and Extension Center, August 20, 2014.


Becker, J.O. 2014. ”Moving forward in nematode management while avoiding past mistakes” Processing tomato field day with UCCE farm advisor Joe Nunez, Shafter, CA (Kern County), Oct 14, 2014 (invited)


Becker, J.O. 2014. Applied Nematology Workshop (1 1/2 days, together with Antoon Ploeg, UC Riverside), July 29/30/2014, UC Riverside/UC South Coast Research and Extension Center.


Becker, J.O. 2014. Interview with Jan Sears (Assistant Metro Editor, The Press-Enterprise) about unmanned aerial systems for nematode surveys. UCR, Riverside, CA, Feb 7, 2014. Publication: The Press-Enterprise Feb 18, 2014, Section Local Extra - Southwest; Page B4 "Drones could give big lift to farmers."


du Toit, L.J. 2013. Discussed seed crop disease research with Bjarne Hansen, Seed Production Manager for Vikima Seeds, Denmark, 11 Jul. 2013, Mount Vernon, WA.


du Toit, L.J. 2014 WSU Extension Carrot Field Day, 15 Aug. 2014, Pasco, WA. Presented carrot disease management summary to growers, seed industry, and other carrot stakeholders (~30 people).


du Toit, L.J. 2014 WSU Onion Field Day, Carr Farms, Pasco, WA, 28 Aug. 2014. Presented update on research projects on Rhizoctonia induced stunting in onion bulb crops, and mycorrhizae in onion crops. Field day attended by ~100 state/federal regulators, industry representatives, breeders, growers, consultants, researchers, & extension educators.


du Toit, L.J. 2014 Washington Pest Control Tour of the Washington State Commission on Pesticide Registration, central WA, 28-31 July 2014. Presented on vegetable seed production and research needs, including pathology research, to ~60 federal/state legislators or staff, agricultural industry representatives, WA State Depts. of Agriculture, Ecology, and Labor & Industries; WSU CAHNRS administrators, National Marine Fisheries Service, US Environmental Protection Agency, etc. as part of a 3-day agricultural tour of central WA


du Toit, L.J. 2014 WSU Mount Vernon NWREC Field Day. Presented updates on spinach and table beet seed crop disease research trials to ~100 growers, consultants, extension educators, researchers, WSDA and seed industry personnel along with reports from other faculty at the NWREC, and 2 MS students in my program. 11 Jul. 2014, Mount Vernon, WA.


du Toit, L.J. 2014 WSU Vegetable Seed Field Day. Presented updates on brassica, beet, and spinach seed crop disease research and extension activities to ~40 vegetable seed growers, seed company production personnel, and research and extension faculty. 3-hour tour of field trials, 20 Jun. 2014, Skagit Valley, WA.


du Toit, L.J. 2014. Allium, bean, & crucifer quarantines diseases in Washington: Do the current rules suffice? 21st Joint Meeting of the Washington State Crop Improvement Association/Washington North-Idaho Seed Association, 10-11 November 2014, Spokane, WA.


du Toit, L.J. 2014. Black rot and white mold in brassica vegetable seed crops. Invited presentation and discussion with broccoli and cauliflower seed growers for Syngenta Seeds in the Western Cape, South Africa, 10 Mar. 2014, Lutzville, South Africa. (30 people)


du Toit, L.J. 2014. Diagnosing diseases in the field. Invited presentation, Annual Basin Producers 2014 Pesticide Recertification Day, 17 Jan. 2014, Moses Lake, WA. (~200 people)


du Toit, L.J. 2014. Does this product really work? Distinguishing sound science from hot air in product promotional materials. Invited presentation, Columbia Basin Crop Consultants Association 2014 Short Course, 15-16 Jan. 2014, Moses Lake, WA. (~80 people)


du Toit, L.J. 2014. Does this product really work? Distinguishing sound science from hot air in product promotional materials. Columbia Basin Vegetable Seed Association Annual Meeting, 21 Jan. 2013, Moses Lake, WA. (~75 people)


du Toit, L.J. 2014. Invited to lead a 3-hour discussion on disease and insect management in onion seed crops for the seed production team of JW Seeds, 13 Mar. 2014, Oudtshoorn, South Africa


du Toit, L.J. 2014. Invited to lead a discussion on management of soilborne diseases of vegetables with the production team for a large, commercial, mixed vegetable farm, Laastedrif, in the Ceres region, Western Cape Province, South Africa, 11 Mar. 2014, Ceres, South Africa.


du Toit, L.J. 2014. Invited to participate in a 4-hour workshop on disease and insect management in onion seed crops with the onion seed production team of Klein Karoo Seed Production, 12 Mar. 2014, Oudtshoorn, South Africa. Co-led the discussion with B. Wessels, consultant, ProCrop Trust.


du Toit, L.J. 2014. Management of Botrytis in onion; and vascular wilts, leaf spots, and Phomopsis, a quarantine fungus, in spinach. Bejo Seeds, Inc. Invited presentation to the Bejo Seeds, Inc. International Sales and Production Meeting, 13 Jan. 2014, Mount Vernon, WA. (~25 managers, sales, & seed production employees of Bejo Seeds, Inc.)


du Toit, L.J. 2014. Management of Fusarium and Verticillium wilts in spinach seed production: Research update. Puget Sound Seed Growers’ Association Annual Meeting, 20 Feb. 2014, Mount Vernon, WA. (~50 people)


du Toit, L.J. 2014. Mycorrhizae and Fusarium basal rot in onion bulb crops. Two invited presentations and discussion with onion bulb growers and consultants in the Ceres and Kouebokkeveld regions of the Western Cape Province, South Africa, 11 March 2014, Ceres, South Africa. (40 people)


du Toit, L.J. 2014. Organized and led multiple group discussions and research/extension planning on beet seed crop production in western WA in response to declining seed yields and quality over several years: 3.5 hour meeting on 31 Jan. (30 people), 1 hour meeting on 23 Apr. (40 people), 8 Jul. (invited Prof. Irwin Goldman, table beet breeder and Chair of Dept. of Horticulture, University of Wisconsin, to meet with beet seed growers and industry personnel, and tour beet seed crops and beds to review production practices; 25 people).


du Toit, L.J. 2014. Soil health for disease suppression. Building Soils for Better Crops 2014 Conference, 10 Dec. 2014, Moses Lake, WA.


du Toit, L.J. 2014. Sustainability of Organic Spinach. Invited to provide seed pathology expertise for a discussion with spinach growers, crop consultants, and spinach seed industry representatives (~65 people) on disease management in organic baby leaf spinach production in Yuma, AZ and Salinas, CA following extensive losses to damping-off, downy mildew, and leaf spots. Visited spinach crops and participated in 2-hour discussion. 8 Jan. 2014, Pivot Point Conference Center, Yuma, AZ. Sponsored by Gowan Co., Yuma, AZ; Bornt Family Farms, Holtville, CA; and United Vegetable Growers Cooperative, Salinas, CA.


du Toit, L.J. 2014. White mold: Sclerotonia sclerotiorum. Invited presentation for the workshop ‘Managing Sclerotinia/White Mold in the Columbia Basin’, 19 March 2014, Moses Lake, WA. (90 people)


du Toit, L.J. 2014.Onion mycorrhizae. Onion session of the Pacific Northwest Vegetable Association Annual Convention & Trade Show, 12-13 Nov. 2014, Kennewick, WA.


du Toit, L.J. Invited to participate in an emergency meeting titled ‘Plant Disease Alert Meeting: Black Leg & Leaf Spots in Brassica, Mustard, & Radish Crops’ following a widespread epidemic of black leg and two new leaf spot diseases, white leaf spot and light leaf spot, in diverse brassica crops in the Willamette Valley in spring 2014. Spoke on black leg fungicide seed treatment research by my program and the WSDA Crucifer Quarantine rules. Other speakers were from Oregon Dept. of Agriculture and Oregon State University plant pathologists. Presentations and panel discussion with diverse brassica stakeholders, including proposed ODA rules to reduce the risk of further spread and introduction of these diseases. 18 Jun. 2014, Albany, OR. Also visited infected brassica crops in the Willamette Valley on 18-19 Jun. 2014.


du Toit, L.J. Met with Western WA Small-Seed Advisory Committee (2 June 2014) and Columbia Basin Vegetable Seed Field Representatives Association (3 June 2014) to discuss: 1) the widespread epidemic of black leg of brassicas (caused by Phoma lingam) in the Willamette Valley of OR in spring 2014, a quarantine disease in northwestern WA; and 2) finding white rot in an onion seed crop (caused by Sclerotium cepivorum) in Grant Co. in May 2014, part of a 4-county quarantine area of WA for this disease. Presented information to growers and seed company field reps on these diseases, including management practices for reducing the risk of spread and establishment. With C. Ocamb at OSU, prepared a 2-page ‘Alert’ on black leg for widespread distribution among all brassica growers, seed dealers, seeed companies, etc. in the Pacific Northwest to reduce the risk of further spread of the pathogen.


du Toit, L.J., and Price Youngquist, C. 2014. Biosolids compost use in vegetable seed crops, potatoes, and small grains. Invited presentation, Soil Quality Network 2014, 13 February 2014, Mount Vernon, WA. (~100 people)


du Toit, L.J., and Waters, T. 2014. Carrot insect pests and diseases. Pest Management session of the Pacific Northwest Vegetable Association Annual Convention & Trade Show, 12-13 Nov. 2014, Kennewick, WA.


Everts, K. L. 2014. Fusarium oxysporum f. sp. niveum on Watermelon: Developing a Sustainable Management Strategy. Salisbury University - Biological Sciences Seminars. Salisbury, MD. 2-20-2014


Mazzola, M. 2014. “Use of Cover Crops to Manage Soil-borne Diseases in Strawberry”, California Strawberry Commission Grower Meeting. December 11, 2014, Watsonville, CA.


Mazzola, M. 2014. “Biologically-based soil-borne disease control strategies: Potential mechanisms of Action California Strawberry Commission, August 5, 2014, Watsonville, CA.


Mazzola, M. 2014. “Managing soil microbes for enhanced orchard establishment and performance”, Washington Tilth 40th Celebration Conference, November 8, 2014, Vancouver, WA.


Mazzola, M. 2014. How and why mustard seed meal and cover crops may be used to manage soil-borne diseases in strawberry, Strawberry Field Days, Watsonville, CA. “August 2, 2014, Watsonville, CA.


Mazzola, M. 2014. Roots and Soil Biology: Managing the “microherd’ for maximum tree performance. Washington State Horticultural Society Annual Conference, December 3, 2014, Vancouver, WA.


Mazzola, M. 2014.Practical Soil Health for Farmers, “Managing soil microbiology for disease control and system resilience”, Northwest Soil Quality Network 2014. Feb. 13, 2014, Mt. Vernon, WA.


Paulitz, T. C. 2014. Fusarium crown rot- Management with Genetic Resistance. Washington Grain Commission Review, Pullman, WA, Feb 20, 2014.


Paulitz, T. C. 2014. Updates in Wheat Disease Research, Garfield Grange, Colfax, Washington, January 25, 2014.


Paulitz, T. C. 2014. Updates on Canola/Camelina Diseases. Washington State Biofuels Cropping Systems Meeting, Pullman, Washington February 21, 2014.


Paulitz, T. C. 2014. Fusarium Diseases. Crop Diagnostic Clinic, Spillman Farm, Pullman, Washington, June 26, 2014


Paulitz, T. C. and Schillinger, W. 2014. Management of fresh wheat residues in irrigated winter canola. Washington State Department of Ecology, Ag Burning Task Force. Spokane, Washington. February 11, 2014 and June 10, 2014.


Paulitz, T. C.2014. Management of Rhizoctonia diseases in the Pacific Northwest. Syngenta Seed Care Workshop, Spokane, Washington, February 3, 2014.


Paulitz, T. C.2014. Research at USDA-ARS in Pullman, What’s New? Spokane Farm Forum, Ag Expo, Spokane, Washington, February 4, 2014.


Paulitz, T.C. 2014. Rhizoctonia Diseases on Cereals and Rotation Crops: The Quest for Root Health. The 2014 Syngenta North American Root Health Forum. Palm Beach, FL. Oct. 20-21, 2014.


Stanghellini, M. 2014. “Late season vine-decline: foes from below”. Western Watermelon Growers Association meeting in Las Vegas, Nevada, Jan. 17-19, 2104.

Stanghellini, M. 2014. Desbotaca arida: a culturable mycorrhizal ascomycete with a wide host range including Brassica from desert habitats. APS Pacific Div . meeting in Bozeman, Montana. July 10, 2014.


Stanghellini, M. 2014. Management strategies for soilborne root-infecting pathogens. Storkan-Hanes-McCaslin Foundation, June 30, 2014, San Marcos, California.


Stanghellini, M. 2014. Plant diseases and their relationships with the environment. Botany and Plant Science 235 (Agroecology). April 28, 2014. UCR.



01/27/2016

Peer-reviewed


 


Adrienne M. Gorny, A.M., Kikkert, J.R., Dunn, A.R., Dillard, H.R., Smart, C.D., and Pethybridge, S.J. (2015) Tan spot of lima bean caused by Boeremia exigua var. exigua in New York State, USA. Canadian Journal of Plant Pathology in press


Alhawatema, M. S., Sanogo, S., Baucom, D. L., and Creamer, R. 2015. A search for the phylogenetic relationship of the Ascomycete Rhizoctonia leguminicola using genetic analysis. Mycopathologia 179:381-389.


Bacon, C. and White, J. 2015. Functions, mechanisms and regulation of endophytic and epiphytic microbial communities of plants. Symbiosis DOI: 10.13140/RG.2.1.1956.9124


Dunn, A.R. and Smart, C.D. (2015) Interactions of Phytophthora capsici with resistant and susceptible pepper roots and stems. Phytopathology 105:1355-1361.


Dyer, A.T., Al-Khafaji, R. T., Tyler, L., Paulitz, T. C., Handoo, Z. A., Skantar, A. and Chitwood, D. 2015. First report of the cereal cyst nematode Heterodera filipjevi on winter wheat in Montana. Plant Disease 99:1188.


Fry, W.E., Birch, P., Judelson, H., Grunwald, N.J., Danies, G., Everts, K.L., Gevens, A.J., Gugino, B., Johnson, D.A., Johnson, S.B., McGrath, M., Myers, K.L., Ristaino, J.B., Secor, G.A., and Smart, C.D. (2015) Five Reasons to consider Phytophthora infestans a re-emerging pathogen. Phytopathology 105:966-981.


Funahashi, F., and J. L. Parke. 2015. Effects of soil solarization and Trichoderma asperellum on soilborne inoculum of Phytophthora ramorum and Phytophthora pini in container nurseries. Plant Dis. doi:10.1094/PDIS-04-15-0453-RE.


Gatch, E.W., and du Toit, L.J. 2015. A soil bioassay for predicting the risk of spinach Fusarium wilt. Plant Disease 99:512-526.


Gebremariam, E. S., Karakaya, A., Erginbass-Orakci, G., Dababat, A. A., Sharma-Poudyal, S. and Paulitz, T. C. 2015. First report of Fusarium redolens causing crown rot of wheat (Triticum spp.) in Turkey. Plant Disease 99:1280.


Gond, S. K., Bergen, M.S., Torres, M. S. and White. J. F. 2015. Effect of bacterial endophyte on expression of defense genes in Indian popcorn against Fusarium moniliforme. Symbiosis DOI: 10.1007/s13199-015-0348-9


Gond, S. K., Torres,M. S.,Bergen, M. S., Helsel, Z and White, J. F. 2015. Induction of salt tolerance and up-regulation of aquaporin genes in tropical corn by rhizobacterium Pantoea agglomerans. Letters in Applied Microbiology doi:10.1111/lam.12385.


Guarnaccia, V., Hansen, Z.R., Aiello, D., Smart, C.D., and Polizzi, G. (2015) First detection of root rot and foliar blight on Pittosporum (Pittosporum tenuifolium) caused by Pythium irregulare in Italy. Journal of Phytopathology 163:411-414.


Jiao, X., Lu, X.,  Chen, A. J., Luo, Y., Hao, J. J. and Gao, W. 2015. Effects of Fusarium solani and F. oxysporum infection on the metabolism of ginsenosides in American ginseng roots. Molecules 20: 10535-10552.


Jones, L.A., Saha, S., Collmer, A., Smart, C.D., and Lindeberg, M. (2015) Genome assisted development of a diagnostic protocol for distinguishing high virulence in Pseudomonas syringae pv tomato strains. Plant Disease 99:527-534.


Kowalski, K. P., Bacon, C., Bickford, W., Braun, H., Clay, K., Leduc-Lapierre, M., Lillard, E., McCormick, M., Nelson, E.,  Torres, M.  White, J. and Wilcox, D. A. 2015. Advancing the science of microbial symbiosis to support invasive species management: A case study on Phragmites in the Great Lakes. Frontiers in Microbiology 01/2015; 6:95. DOI: 10.3389/fmicb.2015.00095


Lange, H.W. Tancos, M.A., Carlson, M.O., and Smart, C.D. (2016) Diversity of Xanthomonas campestris isolates from symptomatic crucifers in New York State. Phytopathology in press.


Li, H-Y., Soares, M., Torres, M., and White, J. 2015. Endophytic bacterium, Bacillus amyloliquefaciens, enhances ornamental hosta resistance to diseases and insect pests. Journal of Plant Interactions 10:224-229


Li, Q., Wu, L., Hao,J.,  Luo, L.,  Cao, Y., and  Li, J.. 2015. Biofumigation on post-harvest diseases of fruits using a new volatile-producing fungus of Ceratocystis fimbriata. PLoS ONE 10(7): e0132009. doi:10.1371/journal.pone.0132009.


Lu, X. H. Jiao, X. L., Hao, J. J., Chen, A. J., and Gao, W. W.. 2015. Characterization of resistance to multiple fungicides in Botrytis cinerea population from Asian ginseng in Northeastern China. European Journal of Plant Pathology. DOI 10.1007/s10658-015-0786-5.


Manici, L. M., Kelderer, M., Caputo, F., and Mazzola, M. 2015. Auxin-mediated relationships between apple plants and root inhabiting fungi: impact on root pathogens and potentialities of growth-promoting populations. Plant Pathology 64:843-851.


Marzano, S.L, Villamil, M.M, Wander, M.B., Ugarte, C.M., Wen, L. Eastburn, D.M. 2015. Organic transition effects on soilborne diseases of soybean and populations of Pseudomonadaceae. Agronomy Journal 107:1087-1097.


Marzano, S.L., Hobbs, H.,Nelson, B., Hartman, G., Eastburn, D.M., McCoppin, N., and Domier, L. 2015. Transfection of Sclerotinia sclerotiorum with in vitro transcripts of a naturally occurring interspecific recombinant of Sclerotinia sclerotiorum hypovirus 2 significantly reduces virulence of the fungus. Journal of Virology, Volume: 89   Issue: 9   Pages: 5060-5071


Mazzola, M., Hewavitharana, S. and Strauss, S. L. 2015. Brassica seed meal soil amendments transform the rhizosphere microbiome and improve apple production though resistance to pathogen re-infestation. Phytopathology 105:460-469.


Nesemann, K., Braus-Stromeyer, S.A., Thuermer, A., Daniel, R., Mavrodi, D.V., Thomashow, L.S., Weller, D.M., Braus, G.H. 2015. Draft genome sequence of the phenazine-producing Pseudomonas fluorescens strain 2-79. Genome Announcements.


Poudyal, D., Paulitz, T.C., Du Toit, L.J. 2015. Evaluation of onion genotypes for resistance to stunting caused by Rhizoctonia solani AG 8. HortScience.50:551-554.


Poudyal, D., Paulitz, T.C., Du Toit, L.J. 2015. Stunted patches in onion bulb crops in Oregon and Washington: Etiology and yield loss. Plant Disease.99:648-658.


Poudyal, D., Paulitz, T.C., Porter, L., Du Toit, L.J. 2015. Characterization and pathogenicity of Rhizoctonia and Rhizoctonia-like spp. from pea crops in the Columbia Basin of Oregon and Washington. Plant Disease. 99:604-613.


Sanogo, S., and Zhang, J. 2015. Resistance sources, resistance screening techniques and disease management for Fusarium wilt in cotton. Euphytica. Online. DOI 10.1007/s10681-015-1532-y.


Sanogo, S., Lujan, P., and Baucom, D. 2015. First report of Sclerotinia sclerotiorum on cabbage in New Mexico. Plant Dis.http://dx.doi.org/10.1094/PDIS-12-14-1328-PDN


Soares, M., Li, H-Y, Bergen, M. and White, J. 2015. Functional role of an endophytic Bacillus amyloliquefaciens in enhancing growth and disease protection of invasive English ivy (Hedera helix L.). Plant and Soil DOI: 10.1007/s11104-015-2638-7


Song, C., Mazzola, M., Cheng, X., Alexandrov, T., Dorrestein, P., Watrous, J., van der Voort, M., and Raaijmakers, J. 2015. Molecular and chemical dialogues in bacteria-protozoa interactions. Scientific Reports 5:12837.


Summers, C.F., Adair, N., Gent, D.H., and Smart, C.D. (2015) Pseudoperonospora cubensis and P. humuli detection using species-specific probes and high definition melt curve analysis. Canadian Journal of Plant Pathology 37:315-330.


Summers, C.F., Gulliford, C.M., Carlson, C.H., Lillis, J.A., Carlson, M.O., Cadle-Davidson, L., Gent, D.H., and Smart, C.D. (2015) Identification of genetic variation between obligate plant pathogens Pseudoperonospora cubensis and P. humuli using RNA sequencing and genotyping-by-sequencing. PLoS ONE 10(11): eD143665. DOI: 1D.1371/journal.pone.D143665.


Tadych, M., Vorsa, N., Wang, H., and White, J. 2015. Interactions between cranberries and fungi: The proposed function of organic acids in virulence suppression of fruit rot fungi. Frontiers in Microbiology 6:835, DOI: 10.3389/fmicb.2015.00835


Tancos, M.A., Lange, H.W., and Smart, C.D. (2015) Characterizing the genetic diversity of the New York Clavibacter michiganensis subsp. michiganensis population. Phytopathology 105:169-179.


Tewoldemedhin, Y. T., Lamprecht, S. C., and Mazzola, M. 2015. Rhizoctonia anastomosis groups associated with diseased rooibos seedlings and the potential of compost as soil amendment for disease suppression. Plant Disease 99:1020-1025.


White, J. F., Chen, Q., Torres, M., Mattera, R., Irizarry, I.,Tadych, M., and Bergen, M. 2015. Collaboration between grass seedlings and rhizobacteria to scavenge organic nitrogen in soils. AoB PLANTS 01/2015; doi: 10.1093/aobpla/plu093


Zhang, J., Sanogo, S, Ma, Z., and Qu, Y. 2015. Breeding, genetics, and quantitative trait locus mapping for Fusarium wilt resistance in cotton. Crop Sci doi:10.2135/cropsci2015.01.0056


Zhang, J., Yu, J., Pei, W., Li, X., Said, J., Song, M., and Sanogo, S. 2015. Genetic analysis of Verticillium wilt resistance in a backcross inbred line population and a meta-analysis of quantitative trait loci for disease resistance in cotton. BMC Genomics 16: 577.


Zhang, X., Dong, B., Zhou, H., Xie, J., and Hao, J. 2015. First report of Rhizoctonia solani AG4-HG-I infecting sugar beet in Inner Mongolia of China. Plant Disease 99:1185. DOI: 10.1094/PDIS-12-14-1326-PDN.


Zhou, W-A., White, J., Soares, M., and Li, H-Y. 2015. Diversity of fungi associated with plants growing in geothermal ecosystems and evaluation of their capacities to enhance thermotolerance of host plants. Journal of Plant Interactions DOI: 10.1080/17429145.2015.1101495


 


Books and book chapters


 


Theses


Allen, N. M. 2015. Soil quality assessment of Willamette Valley soils and root colonization potential by arbuscular mycorrhizal fungi. M.S. thesis, Oregon State University. 107 pp.


 


Funahashi, F. 2015. Modeling survival of soilborne Phytophthora spp. and characterizing microbial communities in response to soil solarization and biocontrol amendment in container nursery beds. Ph.D. thesis, Oregon State University. 180 pp.


 


Extension and Technical Bulletins


 


Becker, J.O., A. Ploeg, and J. Nunez 2014. Control of root-knot nematodes in fresh carrot production. Annual Report California Fresh Carrot Advisory Board, 67-73.


Becker, J.O., A. Ploeg, and J. Nunez 2014. Evaluation of new nematicides against root-knot nematodes in processing tomato production. Annual Report California Tomato Research Institute, 94-100.


du Toit, L.J. and Derie, M.L. 2015. 2014 Onion pink root Serenade Soil efficacy trial in Connell, Washington. Research report submitted to Dean Christie, Bayer CropScience, Feb. 2015. 4 pp.


du Toit, L.J., Derie, M.L., and Holmes, B.J. 2015. 2014 Carrot cavity spot Serenade Soil trial. Research report submitted to Dean Christie, Bayer CropScience, Feb. 2015. 7 pp.


du Toit, L.J., Waters, T., and Reitz, S. 2015. Internal dry scale and associated bulb rots: Bane of the 2014 Pacific Northwest onion season. Onion World May/June 2015:4-7.


Hao, J. J., H.H. Jiang, X. Zhang, N. Marangoni, E. Giggie. 2015. Evaluation of fungicide programs for powdery scab and late blight control in potatoes, Presque Isle, ME, 2015.


Hao, J. J., H.H. Jiang, X. Zhang, N. Marangoni, E. Giggie. 2015. Evaluation of oxathiapiprolin and other products for pink rot and Pythium leak control in potatoes, Presque Isle, ME, 2015.


Hao, J., X.M. Zhang, H.H. Jiang, N.F. Marangoni, E. Giggie. 2015. Evaluate the efficacy of Emesto Silver plus Reason as a seed treatment for control of pink rot in potato, Presque Isle, ME, 2015.


Hao, J. J. H.H. Jiang, N. Marangoni, X. Zhang, E. Giggie. 2015. Evaluation of breeding lines on pink rot resistance, Presque Isle, ME, 2015.


Hao, J. J. H.H. Jiang, N. Marangoni, X. Zhang, E. Giggie. 2015. Evaluation of soil fumigation on soilborne disease of potatoes, Presque Isle, ME, 2015.


Hao, J. J., H.H. Jiang, X. Zhang, N. Marangoni, E. Giggie. 2015. Evaluation of Emesto Silver and Manzate in treatment for soilborne disease control in potatoes, Presque Isle, ME, 2015.


Hao, J. J., N. Marangoni, H.H. Jiang, X. Zhang, E. Giggie. 2015. Evaluation of oxathiapiprolin, chlorothalonil and other premixes for late blight control in potatoes, Presque Isle, ME, 2015.


Hao, J. J.,X.M. Zhang, H.H. Jiang, N.F. Marangoni, E. Giggie. 2015. Evaluate the efficacy of A12946B as a seed treatment for control of pink rot in potato, Presque Isle, ME, 2015.


Hao, J., X.M. Zhang, H.H. Jiang, N.F. Marangoni, E. Giggie. 2015. Evaluate the efficacy of Double Nickel LC for control of pink rot in potato, Presque Isle, ME, 2015.


Hao, J., X.M. Zhang, H.H. Jiang, N.F. Marangoni, E. Giggie. 2015. Evaluate V10365 for control of pink rot in potato, Presque Isle, ME, 2015.


Kikkert, J., Pethybridge, S. J., Dunn, A. R., and MacNeil, C. 2014. What to do after a bad Sclerotinia white mold season?  Cornell Cooperative Extension, Cornell Vegetable Program.  Veg Edge 10:1-3.


Parke, J. L. and Stoven, H. 2015. Management of the cyanobacterium Nostoc in horticultural nurseries. PNW Plant Disease Management Handbook. http://pnwhandbooks.org/plantdisease/pathogen-articles/pathogens-common-many-plants/bacteria-and-other-prokaryotes/management-cyanobacter


Paulitz, T. C. and Schroeder, K. L. 2015. Acid soils- How do they interact with root diseases? WSU Extension Bulletin. Submitted May 14, 2015.  Accepted Aug. 26, 2015.


Paulitz, T. C., Schroeder, K. L. and Beard, T. 2015. Sclerotinia stem rot or white mold of canola. WSU Extension Bulletin. Submitted March 2, 2015. Accepted Nov. 2015,


Pethybridge, S. J., Abawi, G., Stewart, C., and Stewart, C. 2015. Bloat nematode in garlic. June 2015. Pp. 3.


Pethybridge, S. J., MacNeil, C., and Dunn, A. R. 2014. White mold of dry beans.  Disease Factsheet for NY Dry Bean Growers. Pp. 3.


Pethybridge, S. J., Maloney, E. C., Kikkert, J. R., and MacNeil, C. 2015. Fungicide-based control of white mold in dry beans in New York State.  17 September 2015.  Pp. 4.


Pethybridge, S. J., Smart, C. D., and MacNeil, C. 2015. Disease management in organic dry bean production.  Meeting of the New York Organic Dry Bean Industry, 9 February 2015.  Pp. 2.


Pethybridge, S. J., Telenko, D., and Dunn, A. R. 2014. White mold (fresh vegetables).  Disease Factsheet for Fresh Vegetables Growers.  Pp. 3. 


 


Meeting presentations and proceedings


 


Aujla, I. S. and Paulitz, T. 2015.   How temperature and water potential affect the growth of Fusarium and Rhizoctonia pathogens of wheat.    Transitioning Cereal Systems to Adapt to Climate Change, Minneapolis, MN, Nov. 13-14, 2015.


Aujla, I. S. and Paulitz, T. 2015. How temperature and water potential affect the growth of Fusarium and Rhizoctonia pathogens of wheat.    6th Annual Northwest Climate Change Conference. Coeur d’Alene, ID Nov. 3-5, 2015.


Bartelt, T., Dunn, A. R., and Pethybridge, S. J. 2015. Relationship between phenotype and genotype among New York Sclerotinia sclerotiorum isolates.  Proc. 2015 Summer Scholars Program, Undergraduate Research Program Session, 31 July, Cornell University, New York Agricultural Experiment Station, Geneva, NY,  Pp. 2.


Becker, J. O. 2015. Evaluation of novel nematicides in coastal California turf. 61th Conference on Soilborne Plant Pathogens & 47st Statewide Nematology Workshop, UC Riverside, March 24-26, 2015.


Becker, J. O. 2015. Four year Southern California field assessment of new nematicides against root-knot nematodes in processing tomato. 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015.


Becker, J. O. 2015. Mitigation of root knot nematode damage in carrot production by a seed-delivered nematicide. International Plant Pathology Conference, Berlin, Germany, August 24-27, 2015.


Becker, J. O. Multistate Research Project meeting, W3147, "Managing Plant Microbe Interactions in Soil to Promote Sustainable Agriculture", Mission Inn, Riverside, CA. Dec 6, 2013. “Evaluation of a strain of Purpureocillium lilacinum”.


Benemann, C. and Parke, J. 2015. Relative quantification of soilborne inoculum of Phytophthora ramorum in an Oregon tanoak forest. Western International Forest Disease Working Conference, Newport, OR. Poster presentation.


Borneman, J. 2014. Identifying Functionally Important Bacteria By Examining Host-Associated Microorganisms. Invited Presentation. 17th Annual Loma Linda University Basic Science Research Symposium, November 13, 2014.


Borneman, J. 2015. Improving the Sugar Beet Cropping Decision Model in the Imperial Valley. Invited Presentation: 61st Conference on Soilborne Plant Pathogens, March 25, 2015.


Borneman, J. 2015. Creating Suppressive Soils in Commercial Agricultural Fields. Annual Meeting of Western Regional Project W-3147 on Biological Control, December 4, 2015, Mission Inn, Riverside, CA


Daugovish, O., Shennan, C., Muramoto, J., and Mazzola, M. 2015. Carbon source and irrigation affect anaerobic soil disinfestation in strawberry. Pages 12.1-12.3, In, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA.  November 8-11, 2015.


du Toit, L.J. 2014 Black leg, light leaf spot, and white leaf spot epidemic in the Willamette Valley of Oregon: Protecting Washington’s Brassica seed industry. Puget Sound Seed Growers’ Association Annual Meeting, 30 Jan. 2015, Mount Vernon, WA. (75 people)


du Toit, L.J. Allium, bean, and crucifer seed quarantines in Washington: Do the rules suffice? Columbia Basin Crop Consultants’ Association 2015 Short Course, 21-22 Jan. 2015, Moses Lake, WA. (~150 people)


du Toit, L.J. Allium, bean, and crucifer seed quarantines in Washington: Do the rules suffice? Columbia Basin Vegetable Seed Association Annual Meeting, 20 Jan. 2014, Moses Lake, WA. (~100 people)


du Toit, L.J. Black leg in brassica crops and foliar nutrient analyses for table beet seed crops. Wilbur-Ellis Co. and Sakata America Annual Seed Growers’ Meeting, 3 Feb. 2015, Burlington, WA. (75 people)


du Toit, L.J. Black leg of crucifers in the Pacific Northwest: Lessons learned from the 2014 Willamette Valley epidemic. Skagit Farmers’ Supply Growers’ Recertification Day, 18 Feb. 2015, Mount Vernon, WA. (~150 people)


du Toit, L.J. Black leg, light leaf spot, and white leaf spot of crucifers in the Pacific Northwest: Lessons learned from the 2014 Willamette Valley epidemic. Douglas Co. and Okanogan Co. Growers Meeting. Invited to help growers avoid introducing seedborne pathogens on crucifer cover crop and canola seed. 3 Mar. 2015, Waterville, WA. (25 people)


du Toit, L.J. Emerging Brassica diseases in the Pacific Northwest: Black leg, light leaf spot, and white leaf spot. Presentation to the Emerging Disease Issues Committee, 54th American Seed Trade Association Vegetable & Flower Conference, 24-27 January 2015, Tampa, FL (80 people)


du Toit, L.J. Ignorance is bliss? History repeated for brassica black leg in the Pacific Northwest. Presentatoin to Skagit Co. Commissioners, 25 Aug. 2015, Mount Vernon, WA. (5 people + recording of presentation televised publicly: http://skagit.granicus.com/MediaPlayer.php?view_id=8&clip_id=2036)


du Toit, L.J. Ignorance is bliss? History repeated for crucifer black leg in the Pacific Northwest. General Vegetable Session of the Pacific Northwest Vegetable Association Annual Convention & Trade Show, 18-19 Nov. 2015, Kennewick, WA. (~100 people)


du Toit, L.J. Ignorance is bliss? History repeated for crucifer black leg in the Pacific Northwest. Washington Tilth Producers’ Association Annual Meeting, 13-15 Nov. 2015, Spokane, WA. (~50 people)


du Toit, L.J. Onion diseases in Washington State. Invited presentation at 38th Argentine Horticultural Congress, 16th National Floricultural Conf., 8th Scientific Meeting on Onion from MERCOSUR, and 3rd Regional Plant Protection and Toxicology Conf., 5-8 Oct. 2015, Bahía Blanca, Argentina. (150 attendees). Also participated in meetings with onion stakeholders in Lower Rio Colorado River, Argentina, with a presentation at each on bulb rots.


du Toit, L.J. Onion internal dry scale and bulb rots. Onion Session of the Pacific Northwest Vegetable Association Annual Convention & Trade Show, 18-19 Nov. 2015, Kennewick, WA. (~250 people)


du Toit, L.J. Table beet seed production in Washington: 2014 Disease and fertility assessments. Puget Sound Seed Growers’ Association Annual Meeting, 30 Jan. 2015, Mount Vernon, WA. (75 people)


du Toit, L.J., and Derie, M.L. Suppression of Fusarium wilt in spinach seed production using compost. 2015 International Spinach Conference, 24-25 Feb. 2015, Yuma, AZ (also listed in abstracts above). (~200 people)


Funahashi, F. and Parke, J. 2015. Development of a predictive model to estimate conditions lethal to soilborne inoculum of Phytophthora ramorum and Phytophthora pini during soil solarization. APS Annual Meeting, Pasadena, CA. Oral presentation. Phytopathology 105(S4):46


Funahashi, F., Myrold, D. D., and Parke, J. 2015. Effect of soil solarization and Trichoderma biocontrol application on soil fungal and prokaryotic communities investigated with next generation sequencing. Soil Science Society of America Annual Meeting, Minneapolis, MN. Oral presentation.


Jiang, H., and J. Hao. 2015. Compounds from zoospore exudate serve as a signal to promote zoosporic germination and infection of Phytophthora erythroseptica. Phytobiomes 2015, Washington, DC held from Jun. 30 to Jul. 2.


Lien, A., Gorny, A., and Pethybridge, S. J. 2015. Development of species-specific PCR primers and assessment of DNA extraction techniques for the detection of Meloidogyne hapla in soil.  Proc. 2015 Summer Scholars Program, Undergraduate Research Program Session, 31 July, Cornell University, New York Agricultural Experiment Station, Geneva, NY,  Pp. 2.


Mazzola, M. and Hewavitharana, S. S. 2015. ASD efficacy is associated with altered soil microbiome and metabolome. Pages 13.1-13.4, In, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA.  November 8-11, 2015.


Mazzola, M., and Wang, L. 2015. Reduced rate seed meal amendment efficacy is plant genotype-dependent. Pages 14.1-14.4, In, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA.  November 8-11, 2015.


Mazzola, M., Hewavitharana, S. S., Strauss, S. L., Shennan, C., and Muramoto, J. 2015. Effect of anaerobic soil disinfestation and Brassica seed meal amendment on soil biology and system resistance. 8th North American Strawberry Symposium, Feb. 3-6, 2015, Ventura, CA.


Meng, Q., Jiang, H., and Hao, J. 2015. Characterization of Bacillus amyloliquefaciens strain BAC03 for plant growth promotion. APS Annual Meeting, Pasadena, CA. Aug. 1 to 4.


Mitchell, P. D., Dong, F., Wille, N., Knuteson, D., Bussan, A. J., Colquhoun, J., Dillard, D., Gevens, A., Groves, R., Kikkert, J., Nault, B., Pethybridge, S., Ruark, M., and Wyman, J. 2015. Conceptual framework and empirical results for a practical agricultural sustainability program in the United States. Int. Conf. Food in the Bio-based Economy, Wageningen, The Netherlands, 27-29 May 2015.


Muramoto, J., Shennan, C., Zavatta, M., Baird, G., Toyama, L., and Mazzola, M. 2015. Effect of anaerobic soil disinfestation and mustard seed meal for control of charcoal rot in California strawberries. 8th North American Strawberry Symposium, Feb. 3-6, 2015, Ventura, CA.


Muramoto, J., Shennan, C., Zavatta, M., Toyama, L., Hewavitharana, S. S.., and Mazzola, M. 2015. Conrolling Fusarium wilt of strawberries by anaerobic soil disinfestation. Pages 16.1-16.4, In, International Conference on Methyl Bromide Alternatives. MBAO, Fresno, CA.  November 8-11, 2015.


Myers, R., and du Toit, L.J. Keynote panel – An overview of cover cropping in the PNW – Opportunities and challenges. Presentation on the 2014 black leg epidemic in the Willamette Valley, and potential modifications to the WSDA crucifer quarantine to protect brassica oilseed crops in the irrigated and dryland areas of central and eastern Washington. 2015 PNW Oilseed & Direct Seed Conference, 20-22 Jan. 2014, Kennewick, WA. (~250 people)


http://css.wsu.edu/biofuels/presentations/2015pnw-oilseed-direct-seed-conference/powerpoint-presentations/


Okubara P, Paulitz T, Yin C, Mahoney A, Mueth N, Hulbert H, 2015, Bacterial community profiling in Rhizoctonia soils. Plant and Animal Genome XXIII, January 10-14, 2015, San Diego, CA, P0461, p. 240. (Poster)


Okubara, P. 2015. Cultivar-Specific Rhizosphere Traits in Wheat Root. 9th International Symposium of the International Society of Root Research entitled Roots down under - Belowground solutions to global challenges, Canberra, Australia, October 5-9, 2015. (Invited talk)


Paulitz, T. 2015 Long-term agricultural research: A means to achieve resilient agricultural production for the 21st Century and beyond. A symposium at the 70th Annual Soil and Water Conservation Society, Greensboro, NC July 26-29, 2015. Presented invited talk- “Long Term Agriculture Research: Disease Management”.


Paulitz, T. 2015. Canola Diseases. Washington State Biofuels Cropping Systems Meeting, Pullman, Washington February 26, 2015


Paulitz, T. 2015. Crop rotation and soilborne pathogens. Lecture in Advanced Cropping Systems. Department of Crop and Soil Sciences, Washington State University. Oct.20, 2015


Paulitz, T. 2015. Interactions of Soil pH and Soilborne Pathogens of Wheat. Lecture in Soil Plant Microbial Interactions. Department of Crop and Soil Sciences, Washington State University. Dec 10, 2015


Paulitz, T. 2015. Long-term agricultural research: A means to achieve resilient agricultural production for the 21st Century and beyond. Presented invited talk symposium “Long Term Agriculture Research:  Disease Management” at the Tri- Society Meeting, Minneapolis, MN November 15-18, 2015. 


Paulitz, T. 2015. Managing Plant-Microbe Interactions in Soil to Promote Sustainable Agriculture- Washington Update,W-3147 Multistate Group Dec. 4, 2015. Riverside, CA


Paulitz, T. 2015. Natural suppression of Rhizoctonia bare patch of wheat in no-till: The role of microbial communities. Department of Plant Pathology, Washington State University. Feb 2, 2015. Seminar.


Paulitz, T. 2015. Nematode Diseases. Lecture and Lab for Introductory Plant Pathology. Department of Plant Pathology, Washington State University. Nov. 4, 2015


Paulitz, T. 2015. Soil health and plant health: the pathogen connection. Keynote talk at “Soil Health and Management for Ag Professionals” Worland Community Center, Worland, WY May 26-27, 2015


Paulitz, T. C. 2015. From Cal Poly to Pullman- Recollections of a Plant Pathologist.  A talk given to students and faculty of the School of Agriculture, California Polytechnic University, Pomona, Dec. 8, 2015.


Paulitz, T. C. 2015. Canola Diseases- Rhizoctonia and Blackleg. Pacific Northwest Direct Seed Meeting, Kennewick, Washington, January 19-22, 2015


Paulitz, T. What’s new in root disease research. Spokane Farm Forum, Ag Expo, Spokane, Washington, February 4, 2015


Peterson, E., Parke, J., and Grunwald, N. 2015. Incubation in soil reduces sporulation and risk of epidemic development from leaf disks infested by Phytophthora ramorum. APS Annual Meeting, Pasadena, CA. Oral presentation. 105(S4):110.


Smith Becker, J. and J.O. Becker 2015. Growth kinetics of Dactylella oviparasitica strains in a peat carrier. 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015.


Smith Becker, J., and J.O. Becker 2015. Comparative virulence of Dactylella oviparasitica strains for the control of Heterodera schachtii. International Plant Pathology Conference, Berlin, Germany, August 24-27.


 


Abstracts


 


Aujla, I. S. and Paulitz, T. C. 2015. Effect of temperature and water potential on the hyphal growth rate of Fusarium and Rhizoctonia pathogens of wheat. Phytopathology 105(Suppl. 4):S4.9


Becker, J.O. 2015. What’s New With Nematicides? Proceedings Desert Horticulture Conference, Tucson, p.6.


Becker, J.O., A. Ploeg, and J. Nunez 2015. Control of root-knot nematodes in fresh carrot production in California. Abstract Booklet International Carrot Conference, Ontario, Canada, 2015.


Becker, J.O., A. Ploeg, and J. Nunez 2015. Four year Southern California field assessment of new nematicides against root-knot nematodes in processing tomato. Abstract book 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015. p. 43.


Becker, J.O., and H.V. Morton 2014. Seed treatments against plant parasitic nematodes: When a little goes a long way. Proceedings of 6th International Congress of Nematology, Cape Town, SA, p. 90.


Chen, W., McGee, R., Paulitz, T., Porter, L., Vandemark, G., Guy, S., and Schroeder, K. 2015.


Collins, B.D., McDonald, M.R., du Toit, L.J., and Westerveld, S. 2015. Evaluation of management practices for Fusarium wilt in bunching spinach production in Ontario, Canada. 2015 International Spinach Conference, 24-25 Feb. 2015, Yuma, AZ.


 


 Department of Crop and Soil Sciences Technical Report 15-1


du Toit, L.J., Derie, M.L., Youngquist, C.P., and Holmes, B.J. Suppression of Fusarium wilt in spinach seed production using compost. 2015 International Spinach Conference, 24-25 Feb. 2015, Yuma, AZ.


Hao, J. 2015. Soil microbial communities: the cause and solutions of plant diseases. XVIII International Oil Palm Conference.


Hao, J. J., H. H. Jiang, X. Y. Zhang, X. Zhang, and N. Marangoni. 2015. Effects of chemical and non-chemical products on pink rot of potato. The 1st Soilborne Oomycete International Conference.


Hao, J., H. Jiang and S. B. Johnson. 2016. Detection and characterization of Dickeya species in the outbreak of blackleg disease of potato in Maine. Northeastern Division of The American Phytopathology Anuual Meeting.


Hewavitharana, S. S., Shennan, C., Muramoto, J., and Mazzola, M. 2015. Anaerobic soil disinfestation disease control performance in strawberry influenced by environmental variables. Phytopathology 105:S4.59. 2015 Annual Meeting of American Phytopathological Society, Pasadena, CA.


Jiang, H. and J. Hao. Compounds from zoospore exudate serve as a signal to promote zoosporic germination and infection of Phytophthora erythroseptica. Phytobiomes 2015, Washington, DC.


Jiang, H., Meng, Q., and Hao, J. 2015. Optimization of Bacillus amyloliquefaciens BAC03 application in controlling Streptomyces scabies. APS annual meeting.


Kaur, G., Lujan, P., Sanogo, S., and Puppala, N. 2015. Efficacy of fungicides on mycelial growth and pigmentation, and sclerotia and oxalic acid production by Sclerotinia sclerotiorum. (Abstract, Annual Meeting of APS, Pasadena, CA, August 1-5, 2015).


Lujan, P., Sanogo, S., and Puppala, N. 2015. Evaluating peanut varieties for resistance to Sclerotinia sclerotiorum. (Abstract, Annual Meeting of APS, Pasadena, CA, August 1-5, 2015).


Manning-Thompson, Y., Smiley, R., Paulitz, T. and Garland-Campbell, K. 2015. Screening for resistance to cereal cyst nematode in locally adapted spring wheat cultivars of the Pacific Northwest. 2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 54.


McFarland, C., Kahl, K., Huggins, D., Carpenter-Boggs, L., Koenig, R., Blackburn, J., Schroeder, K. and Paulitz, T. 2015.  How much lime to apply?  2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 23.


McFarland, C., Kahl, K., Huggins, D., Carpenter-Boggs, L., Koenig, R., Blackburn, J., Schroeder, K. and Paulitz, T. 2015.  How surface-applied lime products affect soil fertility.  2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 24.


McLeod, A., and Mazzola, M. 2015. Towards integrated management of apple replant disease using knowledge of disease etiology. Pages 73-75, In, Proceedings Integrated Plant Protection in Fruit Crops, Stellenbosch, South Africa, November 24-28, 2014.


Meng, Q., Jiang, H., and Hao, J. 2015. Characterization of Bacillus amyloliquefaciens strain BAC03 for plant growth promotion. APS annual meeting.


Metalaxyl resistance and Pythium damping-off of chickpea . 2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 41.


Miyao, G., B. Leacox, A. Harlan, A. Ploeg, J.O. Becker, R.M. Davis 2014. Alternative practices for the management of nematode and soilborne fungal diseases in California processing tomatoes in the Lower Sacramento Valley. 29th Annual Tomato Disease Workshop, Windsor, Canada, p. 21.


Nyoni, M., Mazzola, M., and McLeod, A. 2015. Evaluating systemic semi-selective chemicals for the management of apple replant disease in fumigated and non-fumigated orchard systems. International Plant Protection Congress. August 24-27, 2015, Berlin, Germany.


Paulitz, T., Sharma-Poudyal, D., Yin, C. and Hulbert, S. 2015. Effect of long-term no-ill on soil fungal communities in dryland wheat cropping systems. 2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 51.


Ploeg, A., J.O. Becker, and J. Nunez 2015. Field and micro-plot trials on use of mustard-type crops to manage root-knot nematodes in carrot and tomato in California. Abstract book 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015. p. 64.


Reed, A. J., and Mazzola, M. 2015. Characterization of apple replant disease-associated microbial communities over multiple growth periods using next-generation sequencing. Phytopathology 105:S4.117. 2015 Annual Meeting of American Phytopathological Society, Pasadena, CA.


Sánches-Portillo, J.F., G.A. Lugo-Garcia, M. Mundo-Ocampo, I. De Ley-Tandingan, and O. Becker 20014. Aislamiento, caracterizatión y virulencia de hongos nematófagos contra Meloidogyne spp. XVI International Congress and XLI Mexican Phytopathological Society Congress, Ixtapan de la Sal, Estado de México, México.


Sánches-Portillo, J.F., G.A. Lugo-Garcia, M. Mundo-Ocampo, I. De Ley-Tandingan, and J. O. Becker 20014. Isolation of nematophagous fungi against Meloidogyne spp. in the north of Sinaloa, Mexico. Abstract book 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015. p. 105.


Sanogo, S, Lujan, P., Rudolph, R., Uchanski, M., and Walker, S. 2015. Integration of spring-planted mustard cover crop and mustard seed meal for control of Verticillium wilt in chile pepper. (Abstract, Annual Meeting of APS, Pasadena, CA, August 1-5, 2015).


Sanogo, S., Lujan, P., and Idowu, J. 2015. Reduction in the population of Phytophthora capsici and disease severity in chile pepper by extracts from pecan shell and husk tissues (Abstract, Annual Meeting of American Phytopathological Society (APS), Pasadena, CA, August 1-5, 2015).


Shennan, C., Muramoto, J., and Mazzola, M. 2015. Anaerobic Soil Disinfestation (ASD): a strategy for control of soil borne diseases in strawberry production. ISHS International Symposium Innohort 2015, June 8-12, 2015, Vignon, France. Page 25 in book of abstracts


Simon, P., Colley, M., McKenzie, L., Zystro, J., Hoagland, L., Roberts, P., Colquhoun, J., du Toit, L., Nunez, J., Silva, E., and Waters, T. 2015. Cultivar development with the CIOA (Carrot Improvement for Organic Agriculture) project targets flavor, novel colors, top height, and disease and pest resistance. 37th Internat. Carrot Conf., 15-17 Sep. 2015, Nottawasaga Inn Resort & Conf. Centre, Alliston, Ontario, Canada.


Smith Becker, J. and J.O. Becker 2015. Growth kinetics of Dactylella oviparasitica strains in a peat carrier. Abstract book 47th Annual Meeting of the Organization of Nematologists of Tropical America (ONTA), Varadero, Cuba, May 18-22, 2015. pp. 105-106.


Smith Becker, J., and J.O. Becker 2015. Comparative virulence of Dactylella oviparasitica strains for the control of Heterodera schachtii. 18th International Plant Protection Congress 2015, Berlin. Abstract Booklet p. 249.


Smith Becker, J., H. Witte, and J.O. Becker 2014. Peat as a suitable growth media and carrier for Dactylella oviparasitica. Proceedings of 6th International Congress of Nematology, Cape Town, SA, p. 240.


Sowers, K., Paulitz, T., Davis, J., Du Toit, L., Schroeder, K. and Wysocki, D. 2015. Blackleg in canola – Reason for alarm in Washington State? 2015 Field Day Abstracts, Dept. of Crop and Soil Sciences, Technical Report 15-1. Pg. 31.


Wang, L., and Mazzola, M. 2015. Integration of apple rootstock genotype with reduced Brassica seed meal application rates for replant disease control. Phytopathology 105:S4.145. 2015 Annual Meeting of American Phytopathological Society, Pasadena, CA.


Yin, C., Schoreder, K., Mueth, N. and Hulbert, S. 2015. Bacterial communities on wheat grown under long-term conventional tillage and no-till in the Pacific Northwest of the US.   Phytopathology 105(Suppl. 4):S4.154


Zhang, X. M., H. Jiang, J. Hao, and S. B. Johnson. 2016. Effects of Chemical and Biological Products on Pink Rot of Potato. Northeastern Division of The American Phytopathology Anuual Meeting.


Zhu, Y., Mazzola, M., and Fazio, G. 2015. Differential transcriptional regulation of defense-associated genes among apple rootstock genotypes in response to Pythium ultimum. Phytopathology 105:S4.159. 2015 Annual Meeting of American Phytopathological Society, Pasadena, CA.


 


Extension Talks/Field Days/Workshops/Consultations


 


Becker, J. O.   2015. Crop protection against plant parasitic nematodes: novel approaches and agents. CAPCA Progressive Farmers Meeting, Blythe, CA, March 19, 2015.


Becker, J. O.   2015. From suppressive soils to biological control of Heterodera schachtii. 26th Annual Fall Desert Crops Workshop; El Centro, CA, Oct 29, 2015.


Becker, J. O.   2015. Turf Management: Nematodes in California Turf. University Extension Turf Management Certificate Course, 3-hr Webinar, UC Riverside Extension, Oct 20, 2015


Becker, J. O.   2015. Updates and control practices for nematodes of importance to Ventura Co., CAPCA Ventura, Santa Paula, September 9, 2015.


Becker, J. O.   2015. What’s New With Nematicides? Desert Horticulture Conference, Tucson, June 5, 2015.


Becker, J. O. 2015. The Sting Nematode, a Subterranean Invasive Species in the Coachella Valley. First annual “Do No Harm” workshop, UC Riverside Palm Desert Center, November 5, 2015


Becker, J. O. 2014. Next-Generation Nematicides. 25th Annual Fall Desert Crops Workshop 2014. El Centro, CA, November 13, 2014.


Becker, J. O. 2015. Anguina pacificae, a galling problem in some coastal golf courses in Northern California. Nem250 Department Seminar, UC Riverside, CA, Feb 11, 2015.


Becker, J. O. 2015. Impact of novel nematicides on carrot health in root-knot nematode-infested fields. Annual California Fresh Carrot Advisory Board Research Symposium, Bakersfield, CA, March 10, 2015.


Becker, J. O., A. Ploeg, J. Nunez 2015. Evaluation of new nematicides against root-knot nematodes in processing tomato production. Annual California Processing Tomato Research Meeting, Davis, CA, Dec 4, 2014.


Becker, J. O.2015. Fluensulfone evaluation in CA fresh market carrots. Nematode Management in Western Vegetable Production Workshop, Riverside, CA, Dec 16, 2014.


Doane, S. and Parke, J. Dec. 10, 2015. Soil solarization of tree seedling production beds to reduce weeds and soilborne pathogens. Shade Tree Growers Meeting, Aurora, OR.


du Toit, L.J. and Benedict, C. Brassica clubroot needs assessment. 9 Mar. 2015, Everson, WA. Met with growers from smaller-scale, diversified farms in Whatcom Co. to discuss clubroot impact, management practices, and research needs; and to initiate planning for a Farmer-Researcher SARE grant application.


du Toit, L.J. and Derie, M.L. 6th Annual Spinach Fusarium Wilt Soil Bioassay, 19 Feb. 2015. Open house for spinach seed growers and seed companies to observe how spinach parent lines ranging from highly susceptible to partially resistant fare in a bioassay to test soil sampled from growers’ fields for relative risk of Fusarium wilt. Soil samples (5 gal/field) were submitted from 29 fields in Dec. 2014 for the bioassay ($200/field). Growers and seed company reps viewed results to decide which fields to select for planting spinach seed crops in 2015. This was the 6th winter the bioassay has been offered, with >200 fields in northwestern WA tested since 2010 to quantify spinach Fusarium wilt risk.


du Toit, L.J. and Waters, T. Vegetable Crops Management 101. Co-organized with Pacific Northwest Vegetable Extension Group. 4-hour workshop requested by Pacific Northwest Vegetable Association (PNVA) Board of Advisors to provide training on vegetable diagnosis, insect/pest management, weed management, fertility, and irrigation (8 speakers). Presentations translated into Spanish. Spanish and English handouts/presentations provided. (68 people)


du Toit, L.J. Diagnosing Diseases in the Field. Presented a 45-minute webinar for Oregon State University Integrated Pest Management Workshop series coordinated by S. Rondon and S. Reitz, and funded by Western Sustainable Agriculture Research & Education. https://media.oregonstate.edu/media/t/0_7kh2o95w


du Toit, L.J. Organic Seed Alliance Research Field Day, 14 Oct. 2015, Chimacum, WA. Discussion on black leg of crucifers, risk management, and pending WSDA quarantine regulation. (25 people)


du Toit, L.J. Organized a hands-on lab/greenhouse workshop on diagnosis, pathogenicity testing, and other aspects of the brassica black leg pathogen, Phoma lingam, for Jim Davis and Megan Wingerson, University of Idaho, in response to a widespread outbreak of black in canola crops in west-central Idaho in spring 2015. 15 Jul. 2015, Mount Vernon, WA.


du Toit, L.J. WSU Extension Onion Field Day, 27 Aug. 2015, Grigg & Sons farm, Quincy, WA. Presented onion disease information and research updates on bulb rots, internal dry scale, and mycorrhizae to growers, seed industry, extension personnel, researchers, etc. (100 people).


Hao, J. 2015. “Towards better solutions in managing soilborne diseases of potato.” China Agricultural University. Beijing, June 23, 2015.


Hao, J. 2015. “Towards better solutions in managing soilborne diseases of potato.” China Agricultural University. Baoding, Hebei, June 19, 2015.


Hao, J. 2015. “Potato Pink Rot and Management.” 30th Annual Maine Potato Conference. Caribou Inn, ME. Jan. 21 to 22. 200 attendees.


Hao, J. 2015. “Soil Fumigation in Controlling Soilborne Diseases in Maine.” The 1st Chloropicrin Summit Meeting. The Carolina Hotel, Pinehurst. NC. Nov. 2 to 4, 2015.


Hao, J. 2015. “Soil microbial communities: the cause and solutions of plant diseases.” XVIII International Oil Palm Conference.” Hotel La Americanas, Cartagena, Colombia. September 22 to 25, 2015.


Hao, J. 2015. “Effects of chemical and non-chemical products on pink rot of potato.” The 1st Soilborne Oomycete International Conference, Duck Key, FL.  Dec. 8-10, 2015.


Hao, J. 2015. “Microbial activities and disease management in potato.” China Agricultural University. Kunming, Yunnan, June 15, 2015.


Hao, J. 2015. “Small grain leaf and seed diseases and management strategies.” Maine Grain Conference. Bangor, ME, Mar 13.


Hao, J. 2015. Isolation, detection and characterization of pathogenic bacteria causing black leg of potato in Maine.” National Potato Council Seed Potato Certification Sub-Committee Meeting, Washington DC, VA. Dec. 2-4, 2015.


Mazzola, M. ASD, Mustard Seed Meal and Wheat Cover Crops for Soil-borne Disease Control: Potential Mechanisms of Action. California Department of Pesticide Regulation Update on Soil Fumigation. December 12, 2014, Watsonville, CA.


Mazzola, M. Field days on application of anaerobic soil disinfestation, mustard seed meal amendment and low rate fumigation treatment for control of Fusarium wilt. California Strawberry Commission, August 11, 2015, Watsonville, CA.


Mazzola, M. Managing Soil Microbiology for Replant Disease Control and System Resilience, Meeting of the Greenbluff Growers Horticultural Association, April 1, 2015, Green Bluff, WA.


Mazzola, M. Role of Soil Microbiology in Orchard System Function & Productivity. Washington State University “Fruit School”. November 17, 2015.


Nunez, J., J.O. Becker 2014. Moving forward in nematode management while avoiding past mistakes. Processing tomato field. Shafter, CA, Oct 14, 2014.


Parke, J. L. April 28, 2015. Webinar. A systems approach to producing healthy container-grown plants. (Target audience: growers of native plants for restoration projects.)110 participants. https://ucd.adobeconnect.com/_a841422360/p4o2997j55g/?launcher=false&fcsContent=true&pbMode=normal


Paulitz, T. 2015. Update on Blackleg. Lind Dryland Research and Extension Center Field Day, June 11, 2015


Paulitz, T. 2015. Management of nematode diseases with genetics. Washington Grain Commission Review, Pullman, WA, Feb 28, 2015


Paulitz, T. C. Update on Blackleg of Canola. Far West Agribusiness Winter Conference, Kennewick, WA Dec. 9, 2015

02/16/2017

01/19/2018

Peer-reviewed 


Adesemoye, A. O., Yuen, G., Watts, D. B. 2017. Microbial inoculants for optimized plant nutrients use in integrated pest and input management systems. In Probiotics and Plant Health. Arora N.K, Mehnaz. S., and Balestrini, R. (Ed.), Microbial inoculants for optimized plant nutrients use in integrated pest and input management systems. Springer pp. 21-40. DOI 10.1007/978-981-10-3473-2.


Adesemoye, A. O., Yuen, G., Watts, D. B. 2017. Microbial inoculants for optimized plant nutrients use in integrated pest and input management systems. In Probiotics and Plant Health. Arora N.K, Mehnaz. S., and Balestrini, R. (Ed.), Microbial inoculants for optimized plant nutrients use in integrated pest and input management systems. Springer pp. 21-40. DOI 10.1007/978-981-10-3473-2. 


Aujla, I. and Paulitz, T. C. 2017. An improved method for establishing accurate water potential levels at different temperatures in growth media. Frontiers in Microbiology. doi: 10.3389/fmicb.2017.01497. 


Becker, J.O. and B. Westerdahl. 2018. Onion/Garlic: Nematodes. Pp. 28-31. In: UC IPM Pest Management Guidelines: Onion/Garlic, UC ANR Publication 3453. http://ipm.ucanr.edu/PDF/PMG/pmgoniongarlic.pdf (revision) 


Carlson, MO, Gazave, E, Gore, MA, and Smart, CD (2017) Temporal genetic dynamics of an experimental, biparental field population of Phytophthora capsici. Frontiers in Genetics 8:26. doi: 10.3389/fgene.2017.00026 


Deyett E, Roper MC, Ruegger P, Yang J, Borneman J, Rolshausen P. 2017. Microbial Landscape of the Grapevine Endosphere in the Context of Pierce’s Disease. Phytobiomes 1:138-149. doi:10.1111/aab.12330


Dunn, A. R., Kikkert, J. R., and Pethybridge, S. J. 2017. Genotypic characteristics in populations of Sclerotinia sclerotiorum from New York State, USA. Ann. Appl. Biol. 170:219-228. 


Gatch, E.W., and du Toit, L.J. 2017. Limestone-mediated suppression of Fusarium wilt in spinach seed crops. Plant Disease 101:81-94. 


Ginnan NA, Dang T, Bodaghi S, Ruegger PM, Peacock, BB, McCollum G, England G, Vidalakis G, Roper C, Rolshausen P, Borneman J. 2018 Bacterial and Fungal Next Generation Sequencing Datasets and Metadata from Citrus Infected with Candidatus Liberibacter asiaticus. Phytobiomes (in press).


Irizarry I, White JF. 2017. Application of bacteria from non-cultivated plants to promote growth, alter root architecture and alleviate salt stress of cotton. Journal Applied Microbiology 122(4):1110-1120. doi: 10.1111/jam.13414. 


Jaaffar, K.M., Parejko, J.A., Paulitz, T.C., Weller, D.M., Thomashow, L.S. 2017. Sensitivity of Rhizoctonia isolates from the Inland Pacific Northwest of the United States to phenazine-1-carboxylic acid and biological control by phenazine-producing Pseudomonas spp. Phytopathology. 107(6): 692-703. 


Kandel SL, Firrincieli A, Joubert PM, Okubara PA, Leston ND, McGeorge KM, Mugnozza GS, Harfouche A, Kim S-H, Doty SL 2017. An vitro study of bio-control and plant growth promotion potential of Salicaceae endophytes. Front Microbiol 8: 386. doi: 10.3389/fmicb.2017.00386. 


Kraus, CM, Mazo, Smart, CD, and Martin, CD (2017) Pseudomonas syringae pv. tomato isolates from New York exhibit virulence attributes intermediate between typical race 0 and race 1 strains. Plant Disease doi: http://dx.doi.org/10.1094/PDIS-03-17-0330-RE 


Lehner, M. S., Mizubuti, E., Del Ponte, E. M., and Pethybridge, S. J. 2017. Independently founded populations of Sclerotinia sclerotiorum from a tropical and temperate region have similar genetic structure. PLoS ONE 12(3):e0173915.http://dx.doi.org/10.1371/journal.pone.0173915


Lehner, M. S., Pethybridge, S. J., Meyer, M. C., and Del Ponte, E. M. 2017. Meta-analytic modelling of the relationships of white mold incidence with soybean yield and sclerotia production in uniform fungicide trials. Plant Pathol. 66:460-468. 


Lehner, M., Kikkert, J. R., Gugino, B., and Pethybridge, S. J. 2017. Fungicide sensitivity and efficacy of boscalid, fluazinam and thiophanate-methyl for white mold control in snap bean. Plant Dis. 101:1253-1258. 


Liang Z., D. Lee, I. Dweikat, D. Wedin, G. Yuen, R. Drijber. 2017. Molecular diversity of arbuscular mycorrhizae in roots of Juniperus virginiana invasive to grasslands. SSSAJ 81:526-536. doi:10.2136/sssaj2016.05.0133.


Michelmore, R., Coaker, G., Bart, R., Beattie, G., Bent, A., Bruce, T., Cameron, D., Dangl, J., Dinesh-Kumar, S., Edwards, R., Eves-van den Akker, S., Gassmann, W., Greenberg, J., Harrison, R., He, P., Hanley-Bowdoin, L., Harvey, J., Huffaker, A., Hulbert, S., Innes, R., Jones, J., Kaloshian, I., Kamoun, S., Katagiri, F., Leach, J., Ma, W., McDownell, J., Medford, J., Meyers, B., Nelson, R., Oliver, R., Qi, Y., Saunders, D., Shaw, M., Smart, C., Subudhi, P., Torrance, L., Tyler, B., Valent, B., Walsh, J. 2017. Foundational and translational research opportunities to improve plant health. Molecular Plant-Microbe Interactions http://dx.doi.org/10.1094/MPMI-01-17-0010-CR 


Okubara P, Kumar N, Hohenwarter L, Graham D, Kandel S, Doty SL, Micknass U, Kogel K-H, Imani J. 2017 Inhibition of fungal and. bacterial plant pathogens by VegelysTM, an Allium-based antimicrobial formulation. J Biol Nat 8(2): 40-51. 


Parikh, L., Eskelson, M. J., and Adesemoye, A. O. 2018. Relationship of in vitro and in planta screening: improving the selection process for biological control agents against Fusarium root rot in row crops. Archives of Phytopathology and Plant Protection (In Press).


Parikh, L., Eskelson, M. J., and Adesemoye, A. O. 2018. Relationship of in vitro and in planta screening: improving the selection process for biological control agents against Fusarium root rot in row crops. Archives of Phytopathology and Plant Protection (In Press).


Paulitz, T. C., Knerr, A. J., Carmody, S. M., Schlatter, D., Sowers, K., Derie, M. L., du Toit, L. J. 2017. First report of Leptosphaeria maculans and Leptosphaeria biglobosa, causal agents of blackleg, on canola in Washington State. Plant Disease 101: 504-505.


Pietro-Souza W, Mello IM, Vendruscullo S, da Silva GF, da Cunha CN, White JF, Soares MA. 2017. Structure and function of the endophytic fungi community are influenced by mercury. PLoS ONE 12(7):e0182017 · 


Poudyal-Sharma, D., Schlatter, D., Yin, C.T., Hulbert, S. and Paulitz, T. C. 2017. Long-term no-till: A major driver of fungal communities in dryland wheat cropping systems. PloS One 12: 10.1371/journal.pone.0184611.


Schlatter, D. C., Yin, C., Hulbert, S. Burke, I. and Paulitz, T. 2017. Impacts of repeated glyphosate use on wheat-associated bacteria are small and depend on glyphosate use history. Applied and Environmental Microbiology: 83 np. 22 e01354-17


Schlatter, D., Kinkel, L., Thomashow, L., Weller, D. and Paulitz, T. C. 2017. Disease suppressive soils: New insights from the soil microbiome. Phytopathology 107: 1284-1297. 


Shah, D. A., Dillard, H. R., and Pethybridge, S. J. 2017. Probability distributions for marketable pods and white mould in snap bean. Ann. Appl. Biol. 171:179-189. doi:10/1111/aab.12363


Tadych M, White JF. 2017. Endophytic microbes. Encyclopedia of Microbiology (4th Edition). Academic Press. DOI: 10.1016/B978-0-12-809633-8.13036-5 


Takemoto, J., G.Y. Yuen, C.C. Jochum, C.T. Chang, Y. Kawasaki, and G.W. Miller, 2017. Suppression of wheat Fusarium head blight by novel amphiphilic aminoglycoside fungicide K20. Fungal Biology https://doi.org/10.1016/j.funbio.2017.12.001.


Tancos, MA, Lowe-Power, TM, Peritore, FC, Tran, TM, Allen, C., and Smart, CD 2017 Plant-like bacterial expansins play contrasting roles in two tomato vascular pathogens. Molecular Plant Pathology DOI: 10.1111/mpp.12611 


Thompson, A.L., Mahoney, A.K., Smiley, R.W., Paulitz, T.C., Hulbert, S., Garland Campbell, K.A. 2017. Resistance to multiple soil-borne pathogens of the Pacific Northwest is colocated in a wheat recombinant inbred line population. G3,Genes/Genomes/Genetics 7:1109-1116. 


Verma SK, Kingsley K, Bergen M, English C, Elmore M, Kharwar R, White JF. 2017. Bacterial endophytes from rice cut grass (Leersia oryzoides L.) increase growth, promote root gravitropic response, stimulate root hair formation, and protect rice seedlings from disease. Plant and Soil. DOI:10.1007/s11104-017-3339-1 


Verma SK, Kingsley K, Irizarry I, Bergen M, Kharwar RN, White JF. 2017. Seed vectored endophytic bacteria modulate development of rice seedlings. J. Applied Microbiology 122: 1680-1691.


Wang, R., Xu, H., Zhang, J., Yuen, G.Y., Liu, H., Qian, G., and Liu, F. 2017. Lsp family proteins regulate antibiotic biosynthesis in Lysobacter enzymogenes. AMB Express 7(1):123. doi: 10.1186/s13568-017-0421-2. Epub 2017 Jun 13.


Wei Li, Long Chu, James F. White, Jr., Zhi Xiong, Xinya Li, Qiaohong Li, Sihui Zhao, Haiyan Li. 2017. Diversity and heavy metal tolerance of endophytic fungi from Chenopodium ambrosioides, a hyperaccumulator of Pb-Zn from contaminated soils. J. Plant Interactions. 


White JF, Kingsley KI, Kowalski KP, Irizarry I, Micci A, Soares MA, Bergen MS. 2017. Disease protection and allelopathic interactions of seed-transmitted endophytic pseudomonads of invasive reed grass (Phragmites australis). Plant and Soil DOI: 10.1007/s11104-016-3169-6 


White JF. 2017. Syntrophic imbalance and the etiology of bacterial endoparasitism diseases. Medical Hypothesis 104C: 14-15. 


Xie J, Chen Q, Suresh P, Roy S, White JF, Mazzeo A. 2017. Paper-based Plasma Sanitizers. PNAS DOI: 10.1073/pnas.1621203114


Yin, C., Schlatter, D., Schroeder, K., Mueth, N., Prescott, A. Dhingra, A., Hulbert, S. and Paulitz, T. C. 2017. Bacterial communities on wheat grown under long-term conventional tillage and no-till in the Pacific Northwest of the US. Phytobiomes: 1: 83-90.


Yuen, G.Y., K.C. Broderick, C.C. Jochum, C.J. Chen, and E.P. Caswell-Chen. 2017. Control of cyst nematodes by Lysobacter enzymogenes strain C3 and the role of the antibiotic HSAF in the biological control activity. Biological Control https://doi.org/10.1016/j.biocontrol.2017.11.007.


Books and book chapters 


Patents 


U.S. patent pending No. PCT/US16/43408. (Filed July 21, 2016). “Compositions and Methods Comprising Endophytic Bacterium for Application to Grasses to Increase Plant Growth, Suppress Soil Borne Fungal Diseases, and Reduce Vigor of Weedy Competitors”. Inventors: White JF, Kowalski K, Kingsley K. 


U.S. Provisional Patent Application No. 62/541,395. (Filed August 4, 2017) Compositions and Methods Comprising Endophytic Bacterium for Application to Target Plants to Increase Plant Growth, and Increase Resistance to Abiotic and Biotic Stressors. James White and Ivelisse Irizarry. 


Canadian Patent Application No. 2,975,486(Filed August 4,2017) Compositions and Methods Comprising Endophytic Bacterium for Application to Target Plants to Increase Plant Growth, and Increase Resistance to Abiotic and Biotic Stressors. James White and Ivelisse Irizarry. 


Extension and technical bulletins


Adesemoye, A. O. 2017. Biologicals in plant disease management. NebGuide G2290, Nebraska Extension. 


Adesemoye, A. O. 2017. Introduction to biological products for crop production and protection Extension Circular EC3019, Nebraska Extension. 


Adesemoye, A. O. 2017. New financial assistance for organic producers. CropWatch January 6, 2017. 


Adesemoye, A. O. and Klein, R. 2017. Cephalosporium leaf stripe developing in west central wheat. CropWatch May 25, 2017. 


Adesemoye, A. O., Shapiro, C. A., Rethwisch, M., and Maharjan, B. Potential benefits of biological products in nutrient management. Nebguide G2294. Nebraska Extension 


Hay, F. S., and Pethybridge, S. J. 2017. Anthracnose of garlic scapes in New York. Extension Bulletin. 


Henrichs, B., Derie, M.L., Waters, T.D., and du Toit, L.J. 2017. The effects of arbuscular mycorrhizal inoculants on onion root colonization and growth in field trials near Connell, WA, 2016. Plant Disease Management Reports 11:V137. 


Henrichs, B., Waters, T.D., and du Toit, L.J. 2017. The effect of soil phosphorus levels on colonization of onion roots by arbuscular mycorrhizal fungi, 2016-2017. Plant Disease Management Reports 11:V125. 


Hsiao, C.-J., Sassenrath, G.F., Rice, C., Zeglin, L., Hettiarachchi, G. 2017. Key components of healthy soils and their role in crop production. Kansas Agricultural Experiment Station Research Reports: Vol. 3: Iss. 2.https://doi.org/10.4148/2378-5977.1385 


Kikkert, J. R., and Pethybridge, S. J. 2017. Leaf disease management for table beets in New York. Cornell VegEdge 13 (15):1-3. 


Koenick, L., and Pethybridge, S. J. 2017. Principles of fungicide resistance. Extension Bulletin.https://blogs.cornell.edu/pethybridgelab/files/2014/12/Principles-of-Fungicide-Resistance-w5foan.pdf


Koenick, L., Kikkert, J. R., and Pethybridge, S. J. 2017. Cercospora leaf spot of table beet. Extension Bulletin. 


Kreis, R.A., Lange, H.W. and Smart, C.D. 2017. Evaluation of fungicides allowed for organic production on tomato leaf mold in high tunnel production, 2016. Plant Disease Management Report. Volume 11 


Lange, H.W., Smart, C.D. and Seaman, A.J. 2017. Evaluation of materials allowed for organic production on downy mildew of cucumber, 2016. Plant Disease Management Report. Volume 11 


Lange, H.W., Smart, C.D. and Seaman, A.J. 2017. Evaluation of materials allowed for organic production on powdery mildew of zucchini, 2016. Plant Disease Management Report. Volume 11 


Lange, H.W., Smart, C.D. and Seaman, A.J. 2017. Evaluation of materials allowed for organic production on bacterial speck of tomato, 2016. Plant Disease Management Report. Volume 11


Pethybridge, S. J. 2017. Tackling root knot nematode in potato production in New York. The Potato News, Winter 2017 Edition. Empire State Potato Growers Inc. January 2017 (Page 9) 


Pethybridge, S. J., Bowden, C., Gugino, B., and Kikkert, J. R. 2017. Epidemiology and management of white mold in processing snap bean in New York. Empire Expo, Syracuse, New York. 17 January 2017. Pp. 5. 


Pethybridge, S. J., Hay, F. S., and Kikkert, J. R. 2017. Disentangling the foliar disease complex of processing lima bean in New York. Empire Expo, Syracuse, New York. 17 January 2017. Pp. 5. 


Pethybridge, S. J., Kikkert, J. R., and Gugino, B. 2017. Improving the management of white mold in snap bean. Mid-Atlantic Fruit and Vegetable Growers Convention, Hershey, Pennsylvania. 31 January 2017. Pp. 50-51. 


Pethybridge, S. J., Lehner, M., and Kikkert, J. R. 2017. Efficacy of fungicides for the control of white mold in light red kidney bean, 2016. Plant Dis. Man. Rep. 11:V106. 


Sassenrath, G.F. 2017. Soil Health. Published in Montgomery County NRCS bulletin; Grass and Grain; Dirt Road Review, and other general public publications. 


Sassenrath, G.F., Dotson, D. 2017. Healthy water and healthy soils: Preserving the land and water legacy of the Grand Lake Watershed with locally led conservation. Eastern Shawnee Tribe of Oklahoma. 


Sassenrath, G.F., Little, C., Hsiao, C.J., Shoup, D., Lin, X. 2017a. Cover crop system to control charcoal rot in soybeans. Kansas Agricultural Experiment Station Research Reports: Vol. 3: Iss. 


Sassenrath, G.F., Shoup, D., Lollato, R. 2017b. Wheat Production. Kansas Agricultural Exp. Station Res. Reports: Vol. 3: Iss. 2. https://dx.doi.org/10.4148/2378-5977.1384 


Smart, C., Lange, H. Kreis, R., and Tancos, M. (2017) Tomato bacterial diseases of 2016. Proceedings of the 2017 Empire State Producers Expo, Syracuse, NY. http://www.hort.cornell.edu/expo/proceedings/2017/Tomato.bact-tom.Smart.17.pdf


Smart, C., Lange, H., and Kreis, R. (2017) Managing tomato leaf mold in high tunnel production. Proceedings of the 2016 Empire State Producers Expo, Syracuse, NY.


Weber, J.M., and du Toit, L.J. 2017. Efficacy of fungicides for control of white mold in hybrid sunflower seed crop in the Columbia Basin of central Washington, 2016. Plant Disease Management Reports 11:FC122.


Meeting presentations and proceedings 


Akinrinlola, R., Adesemoye, A. O., and Yuen G. Y. 2017 Bacillus strains as plant growth-promoting agents for the Great Plains agricultural region. Oral presentation during the Annual Meeting of the North Central Region of the American Phytopathological Society, which held at Champaign, IL. June 14-16, 2017. 


Becker, J.O., A. Ploeg, and J. Nunez 2016. Evaluation of novel nematicides for control of root-knot nematodes in processing tomato. Journal of Nematology 48:302. 


Becker, J.O., and J. Smith Becker 2017. 25 Years After the Discovery of Sting Nematodes in California: Summary of Research and Extension Efforts. 2017 UCR Turfgrass and Landscape Research Field Day Proceedings p. 9. 


Carmody, S.M., and du Toit, L.J. 2017. Light leaf spot and white leaf spot on brassicas in the Pacific Northwest. Puget Sound Seed Growers’ Association Annual Meeting, 13 Jan. 2017, Mount Vernon, WA. (100 people) 


Derie, M.L., and du Toit, L.J. 2017. Phoma betae in table beet and Swiss chard seed crops in western Washington. Puget Sound Seed Growers’ Association Annual Meeting, 13 Jan. 2017, Mount Vernon, WA. (100 people) 


du Toit, L.J. 2017.Evaluating irrigation management and bactericides for internal dry scale and bacterial bulb rots of onion. Invited presentation, Pacific Northwest Vegetable Association Annual Convention & Trade Show, 15-16 Nov. 2017, Kennewick, WA. (125 people) 


du Toit, L.J. 2017. Got seed? Plant pathology research and extension contributions to the Pacific Northwest Vegetable Seed Industry. Invited presentation at the Congreso LatinoAmericano de Fitopatología, 2-5 Oct. 2017, Concepcion, Chile. (200 people) 


du Toit, L.J. 2017. Spinach seed crop pathology research and extension at Washington State University: Engaging principles of the U.S. Land Grant Mission to enhance production of a minor acreage, high value crop. J.E. Vanderplank Memorial Address, 50th Anniv. Congress Southern African Soc. Plant Pathologists, 15-18 Jan. 2017, Champagne Sports Resort, Drakensburg, South Africa. (~200 attendees) 


du Toit, L.J. 2017. The What? Why? And How? Of Onion Disease Management in the Columbia Basin. Invited presentation at the National Onion Association Summer Meeting, 20 Jul. 2017, Richland, WA. (~150 people) 


du Toit, L.J. 2017. What’s the big deal with black leg of brassicas? Invited presentation, Pacific Northwest Vegetable Association Annual Convention & Trade Show, 15-16 Nov. 2017, Kennewick, WA. (120 people) 


Hsiao, C.J., Sassenrath, G.F., Rice, C.W., Zeglin, L. 2017. Temporal changes in soil microbial properties in claypan soils. American Society of Agronomy Annual Meeting, Oct. 22 – 26, 2017, Tampa, FL 


Hsiao, C.-J., Sassenrath, G.F., Rice, C.W., Zeglin, L.H., Hettiarachchi, G.M. 2016. Soil microbial communities in claypan soils. #101195. American Society of Agronomy Annual Meeting. Nov. 6-9, 2016. Phoenix, AZ. 


Hsiao, C.J., Sassenrath, G.F., Rice, C.W., Zeglin, L.H., Hettiarachchi, G. 2016. Soil microbial properties with depth in claypan soils of southeast Kansas. Governor’s Conference on the Future of Water in Kansas. Nov. 14-15, 2016, Manhattan, KS. 


Kodati, S., Eskelson, M. J., and Adesemoye, A. O. 2017. Cross-pathogenicity of Rhizoctonia spp. isolated from multiple hosts to corn, soybean, and wheat. Oral presentation during the Annual Meeting of the North Central Region of the American Phytopathological Society, holding at Champaign, IL. June 14-16, 2017. 


Kodati, S., Gambhir, N., Everhart, S., and Adesemoye, A. O 2017. Prevalence and pathogenicity of Rhizoctonia spp. from soybean in Nebraska. Poster presentation during the Annual Meeting of the American Phytopathological Society, APS, San Antonio, Texas. August 5-9, 2017. 


Parikh, L., Eskelson, M., and Adesemoye, A. O 2017. Biological control of Fusarium root rot on row crops in the Great Plains using PGPR and Trichoderma species. Poster presentation during the Annual Meeting of the American Phytopathological Society, APS, San Antonio, Texas. August 5-9, 2017. 


Paulitz, T. C. 2017. Effect of Glyphosate on Soil Microbes. Joint Meeting of the 63rd Annual Conference on Soilborne Plant Pathogens, Davis, California. March 28-30, 2017. 


Paulitz, T. C. 2017. Washington State Report. Multistate Group Managing Plant-Microbe Interactions in Soil to Promote Sustainable Agriculture, Riverside, California. Dec 2, 2017. 


Ploeg, A., J.O. Becker, J. Nunez, and S. Stoddard 2016. Performance of non-fumigant nematicides in California vegetables on Meloidogyne incognita-infested trial sites. European Society of Nematologists, 32nd Symposium Abstract Book. p. 82. 


Sassenrath, G.F., Farney, J. 2017. Improving the productive capacity of claypan soils by targeting soil health. American Society of Agronomy Annual Meeting, Oct. 22 – 26, 2017, Tampa, FL 


Schlatter, D. 2017. Second workshop in statistical and algorithmic challenges in microbiome data analysis. The Broad Institute of MIT and Harvard, Cambridge, MA. Sympatric interaction networks shed light on the ecology and evolution of soil microbiomes. 


Schlatter, D. and Paulitz, T. C. 2017. Minimal impacts of repeated glyphosate use on wheat-associated bacterial microbiomes. American Phytopathological Society Meeting, San Antonio, Texas. Aug. 1-8, 2017 


Schlatter, D. and Paulitz, T. C. 2017. Successional dynamics of fungal and oomycete communities in herbicide-killed wheat roots. American Phytopathological Society Meeting, San Antonio, Texas. Aug. 1-8, 2017. 


Thomashow, L. 2017. Control of cereal root pathogens with root associated bacterial. Huazhong Agricultural University July 13, 2017. 


Thomashow, L. 2017. Control of cereal root pathogens with root associated bacterial. Northwest A and F University, China, July 5, 2017. 


Thomashow, L. 2017. Mechanisms and metabolites involved in biological control. Huazhong Agricultural University July 15 and 17, 2017 


Wang, X., Schlatter, D., Edwards, C., Paulitz, T., Weller, D., Okubara, P. 2017. Biodiversity of native yeasts in vineyards and spontaneous alcoholic fermentation in Washington State. Washington Association of Wine Grape Growers Convention, Kennewick, WA. 


Weber, J., and du Toit, L.J. White mold in sunflower seed crops. Columbia Basin Vegetable Seed Assoc. Annual Meeting, 1 Feb. 2017, Moses Lake, WA. (85 people) 


Abstracts 


Hansen, J. Sullivan, T., Schillinger, W. and Paulitz, T. 2017 Soil Microbial Communities of the Lind Camelina Cropping Systems Experiment WSU Field Day Abstracts. 


Hansen, J. Sullivan, T., Schillinger, W. and Paulitz, T. 2017. Rhizosphere soil microbial communities of winter canola and winter wheat at six paired field sites in Eastern Washington. WSU Field Day Abstracts. 


Hansen, J. Sullivan, T., Schillinger, W. and Paulitz, T. 2017. Rhizosphere soil microbial communities of winter canola and winter wheat at six paired field sites in Eastern Washington. WSU Field Day Abstracts. 


Okubara P, Wang X, Schlatter D, Edwards C, Paulitz T, Glawe D. 2017. Native yeast diversity in two Washington Cabernet Sauvignon vineyards consists of common and unique species. American Society of Enology and Viticulture Annual Meeting, Bellevue, WA. 


Okubara PA, Wang X, Schlatter D, Paulitz T, Edwards C, Glawe D. 2017. ITS1 vs. D2 for assessing yeast diversity in grape berries and fermentations in Washington state. Plant and Animal Genome XXV, San Diego, CA. 


Schlatter, D. and Paulitz, T. C. 2017. Successional dynamics of fungal and oomycete communities in herbicide-killed wheat roots. Phytopathology 107: in press 


Wang X, Elizabeth Kramer E, Glawe D, Weller D, Murray T, Okubara P. 2017. Evaluation of native vineyard yeasts of Washington State for biological control of Botrytis bunch rot of grape. American Society of Enology and Viticulture Annual Meeting, Bellevue, WA. 


Wang, X., Schlatter, D C., Paulitz, T. C. and Okubara, P. 2017. Biodiversity of native yeast in vineyards and spontaneous alcoholic fermentation in Washington state. Washington Association of Wine Grape Growers Annual Meeting. 


Weber, J.M., and du Toit, L.J. 2017. Effect of Contans WG application and burial of sclerotia on survival of sclerotia of Sclerotinia sclerotiorum in the Columbia Basin of central Washington. Poster 51-P presented at 2017 APS Annual Meeting, 5-9 Aug. 2017, San Antonio, TX. 


Extension Talks/Field Days/Workshops/Consultations 


Angelo Loffredo, Mitigation of nematode-caused crop damage with microbial metabolites and natural antagonists 


Becker, J. O. New crop protection tools against plant-parasitic nematodes (presentation) 


Becker, J. O. New nematicides and biologicals against the Southern root-knot nematode (presentation) 


Becker, J. O. Aspergillus japonicus strain ZW1 and its toxicity against root-knot nematodes (poster). 


Becker, J. O. California fresh market carrot production without fumigant nematicides? (presentation) 


Becker, J. O. 2017 Pitahaya/Dragon Fruit Festival/Field Day, UC South Coast Research and Extension 


Becker, J. O. 2017 Pitahaya/Dragon Fruit Production Tour, UC ANR, Escondido, Fallbrook, Bonsall, CA; August 25, 2017. Nematode Issues for Pitahaya Production (presentation) 


Becker, J. O. 56th Annual Society of Nematologists Meeting. Williamsburg, Virginia, August 13-17, 2017. Combination of microbial antagonists and a seed-delivered nematicide mitigated root-knot nematode-caused disease in tomato greenhouse and microplot trials (presentation) 


Becker, J. O. A student group visiting from Southwest University, China. UC Riverside, August 22, 2017. Plant Parasitic Nematodes and their enemies (presentation and Q&A) 


Becker, J. O. American Phytopathological Society, Pacific Division, Riverside, CA June 27-29, 2017. Management of the shoot gall nematode Anguina pacificae on Poa annua putting greens (presentation). 


Becker, J. O. California State Polytech University, Pomona, January 27, 2017. Introduction to plant-parasitic nematodes and their management (invited lecture/lab for undergraduates). 


Becker, J. O. CAPCA Education CE Seminar Imperial Valley, Nov 9, 2017, Imperial Valley. 


Becker, J. O. CAPCA Education Santa Ana CE Seminar, Nov 16, 2017. Biology and Control of Sting and Pacific Gall Nematodes (presentation) 


Becker, J. O. Coachella Valley Farmers Educational Meeting, Indio, CA, February 15, 2017. Nematode Problems in Coachella Valley Agriculture (presentation) 


Becker, J. O. Conference on Soilborne Plant Pathogens/Statewide California Nematology Workshop, UC Davis, March 28-30, 2017. 


Becker, J. O. Desert Fall Crop Workshop Dec. 7, 2017, Imperial, CA. Biologicals Against Plant-Parasitic Nematodes: Hip, Hype and Hope (presentation) 


Becker, J. O. Field demonstration for members of Western Education/Extension and Research Activities Committee on Integrated Pest Management. SCREC, Tustin, CA. July 25, 2017. Update on nematode management.


Becker, J. O. International Carrot Conference, Bakersfield, CA, March 19-21, 2017 


Becker, J. O. Multistate Research Project meeting, W3147, Managing Plant Microbe Interactions in Soil to Promote Sustainable Agriculture. Riverside, CA. Dec 1, 2017. Suppressive soils in California Cole crop fields (presentation) 


Becker, J. O. Turf & Landscape Day, Agricultural Operations, UC Riverside, September 14, 2017. 25 years after discovery: Confining the invasive Sting nematode to the Coachella Valley (poster) 


Becker, J. O. UC Integrated Pest Management Training 2017, San Diego, May 11, 2017 The Good, the Bad, and the Ugly: Nematodes in the Landscape (presentation). 


Becker, J. O. University Extension Turf Management Certificate Course, 3 hr Webinar, UC Riverside Extension, March 15, 2017, Riverside, CA. Turf Management: Plant Parasitic Nematodes. 


Borneman, J. BASF (Research Triangle Park, NC) October 4, 2017. Title is: Development of Biologically Based Strategies to Control Cyst Nematodes and Huanglongbing. 


Borneman, J. UCR Microbiome Datablitz October 27, 2017. 


Borneman, J. USDA CDRE Project Meeting in Riverside CA, November 13, 2017. Microbiome Analyses and Microbe Based Strategies to Manage HLB. 


Borneman, J. Creating Cyst Nematode Suppressive Soils Using a Cropping Decision Model.” (presentation) 


Borneman, J. Creating Cyst Nematode Suppressive Soils Using a Cropping Decision Model. Conference on Soilborne Plant Pathogens. Davis California, March 29, 2017. 


Borneman, J. Improving Sugar Beet Economics, Productivity & Sustainability by Modifying the Cropping Decision Model. Sugarbeet Work Group Meeting, February 8, 2017, Holtville CA. 


Borneman, J. Statistical Analysis of Microbiome Data When Samples Have Unequal Sequence Counts, UCR Department of Statistics, May 2, 2017. 


Borneman, J. SurVerda Visit Meeting in Riverside CA, November 21, 2017. Microbe Based Strategies to Control Cyst Nematodes and Huanglongbing. 


du Toit, L.J. 2017. 2-week volunteer project with the Farmer-2-Farmer program of the US Agency for International Development (USAID), assisting onion farmers in the mountainous Sacapulas region of Quiche, in northwestern Guatemala, with disease diagnoses and management recommendations, 13-25 Mar. 2017. Trained ~15 USAID Technical Field Assistants and regional farmers. 


du Toit, L.J. 2017. 8th Annual Spinach Fusarium Wilt Soil Bioassay Open House, WSU Mount Vernon NWREC. Open house for spinach seed growers and seed company personnel to observe spinach parent lines ranging from highly susceptible to partially resistant fare in a bioassay test of soil sampled from growers’ fields to assess the relative risk of Fusarium wilt. Soil samples (5 gal/field) were received from 33 growers’ fields in Dec. 2016 ($200/field) and processed, as well as seed of 18 spinach parent lines from seed companies to screen for relative resistance to Fusarium wilt. Stakeholders view their soils in Feb. 2017 to make decisions on which fields to select for planting spinach seed crops in 2017. >270 fields in western WA have been tested since 2010. 


du Toit, L.J. 2017. Trained 6 Washington State Department of Agriculture (WSDA) Seed Crop Inspectors on scouting for black leg, caused by Phoma lingam, in brassica seed crops in Washington State (oilseed, cover, and vegetable brassica seed crops), following the finding of this disease in >20 sites in dryland canola production in eastern Washington. 1-hour workshop on 20 Jul. 2017 in Pasco, WA. 


du Toit, L.J. 2017. Washington Pest Control Tour of the Washington State Commission on Pesticide Registration, western WA, 17-19 Jul. 2015. Presented on vegetable seed production and research needs, including pathology research, to ~45 federal/state legislators or staff, agricultural industry representatives, WA State Depts. of Agriculture, Ecology, and Labor & Industries; WSU CAHNRS administrators, National Marine Fisheries Service, US Environmental Protection Agency, etc. on 18 Jul. in Mount Vernon, WA. 


du Toit, L.J. 2017. WSU Extension Onion Field Day, 25 Aug. 2016, Skone & Connorr Farm, Othello, WA. Presented onion downy mildew, mycorrhizae, internal dry scale, bacterial bulb rots, and Iris yellow spot virus information and research updates to growers, seed industry, extension personnel, researchers, etc. (90 people). 


du Toit, L.J. 2017/ Spinach Seed Health Assay Workshop in Denmark and the Netherlands: Invited to present a 4-hour lab workshop on spinach seed health testing at Aarhus University, Denmark on 7 Jun. 2017 (20 people). Workshop preceded by a tour of spinach seed crops in Denmark on 6 Jun. with spinach seed growers and personnel from all seed companies growing spinach seed in Denmark (35 people). Repeated the workshop at Pop Vriend Seeds, Andijk, the Netherlands on 9 Jun. 2017 (10 people, including 2 plant pathologists from Italy). Workshop preceded on 8 Jun. by presentations on the biology and management of necrotrophic fungal pathogens of spinach (30 people). 


du Toit, L.J. Brassica light leaf spot, white leaf spot, and black leg; onion neck rot; and bacterial blight of carrot. Invited presentation to Bejo Seeds production team, 7 Nov. 2017, Mount Vernon, WA. (30 people) 


du Toit, L.J. Tapping into growers’ expertise: Effective engagement in extension. One of 6 speakers in the 2-part APS webinar series (3 speakers/webinar) Fieldside Manner: Serving Plant Pathology’s Stakeholders, 18 and 25 October 2017. 


du Toit, L.J. Vegetable seed crop pathology research, and the role the Washington State Commission for Pesticide Registration (WSCPR) funding plays in supporting this program. Invited presentation to WSCPR board, 24 May 2017, La Conner, WA. (12 people) 


du Toit, L.J. Wilt diseases: Managing persistent pathogens in high value vegetable seed crops. Invited seminar to Department of Plant Pathology, North Carolina State University, 9 Oct. 2017, Raleigh, NC. (60 people) 


Paulitz, T C. 2017. Diseases of Brassica. WSU Oilseed Cropping Systems Workshops, Hartline Jan. 26, 2017.


Paulitz, T C. 2017. Diseases of Brassica. WSU Oilseed Cropping Systems Workshops, Ritzville Jan. 30, 2017. 


Paulitz, T C. 2017. Diseases of Brassica. WSU Oilseed Cropping Systems Workshops Clarkston, Feb. 2 2017. 


Paulitz, T. C. 2017.   Activities on Canola Diseases. Washington Oilseeds Cropping System Annual meeting 


Paulitz, T. C. 2017. Research on Nematodes and Fusarium Crown Rot Washington Grain Commission Review, Pullman, Washington. Feb. 13, 2017. 


Paulitz, T. C. 2017. Blackleg of canola and other canola diseases.   Field Day Presentation. Almira, WA June 27, 2017.  


Paulitz, T. C. 2017. Blackleg of canola and other canola diseases.   Field Day Presentation. Colton, WA July 10, 2017. 


Paulitz, T. C. 2017. Blackleg of Canola. Field Day presentation, Ralston, WA   Oct. 1, 2017 


Paulitz, T. C. 2017. Effect of Glyphosate on Soil Microbes. Direct Seeders Breakfast, Colfax, Washington   Feb. 15, 2017


Paulitz, T. C. 2017. Management of Fresh Wheat Residue for Irrigated Winter Canola Washington Department of Ecology. Nov 9, 2017. 


Paulitz, T. C. 2017. What’s New in Research on Soilborne Plant Pathogens. Spokane Farm Forum, Ag Expo, Spokane, Washington. Feb 8, 2017. 


Pethybridge, S. J., and Kikkert, J. R. 2017. Know your enemy! Identification of plant-pathogenic fungi associated with root decay in table beet. Processing Vegetable Crops Advisory Meeting, Batavia, New York. Attendees = 80. Duration = 30 min. Total contact = 40 hours. 13 December 2017. 


Pethybridge, S. J., and Kikkert, J. R. 2017. Optimizing the fungicide-based management of white mold in two varieties of snap bean. Processing Vegetable Crops Advisory Meeting, Batavia, New York. Attendees = 80. Duration = 30 min. Total contact = 40 hours. 13 December 2017. 


Pethybridge, S. J., and Kikkert, J. R. 2017. Optimizing the use of Aprovia Top for management of Cercospora leaf spot in table beet. Processing Vegetable Crops Advisory Meeting, Batavia, New York. Attendees = 80. Duration = 30 min. Total contact = 40 hours. 13 December 2017. 


Pethybridge, S. J., and Kikkert, J. R. 2017. Towards a durable management strategy for white mold in dry beans in New York. New York State Dry Bean Council meeting, Batavia, New York. Attendees = 60. Duration = 30 min. Total contact = 30 hours. 6 March 2017. 


Pethybridge, S. J., Bowden, C., Gugino, B., and Kikkert, J. R. 2017. Epidemiology and management of white mold in processing snap bean in New York. Empire Expo, Syracuse, New York. Attendees = 80. Duration = 30 min. Total contact = 40 hours. 17 January 2017.


Pethybridge, S. J., Hay, F. S., and Kikkert, J. R. 2017. Disentangling the foliar disease complex of processing lima bean in New York. Empire Expo, Syracuse, New York. Attendees = 80. Duration = 1 h. Total contact = 80 hours. 17 January 2017. 


Sassenrath, G. F. Charcoal Rot Suppression. https://www.ksre.k-state.edu/news/radio-network/agtoday-mp3/102016-sassenrath.mp3. Radio broadcast. 


Smart, C. D. 2017. Cabbage Research and Development Fund Board Meeting, December 12, 2017 Geneva, NY. Susceptibility of Commercially Available Cabbage Varieties to the Black Rot Pathogen, second season. 30 minute talk to 18 growers and educators. Contact hours = 9. 


Smart, C. D. 2017. Crop Consultant Meeting, November 30, 2017 Syracuse NY. Understanding and controlling diseases of tomato. 1 hour talk to 25 crop consultants. Contact hours = 25 


Smart, C. D. 2017. Elementary classes visit Station. May 30-31, 2017. Eight classes visited Cornell’s NY State Ag Experiment Station for tours, and to see plants in the greenhouse. Each class was given a 30 minute explanation on disease and insect pests of crops, and a 30 minute tour of the greenhouses – total of 50 min per class. About 20 students per session. Contact hours = 160. 


Smart, C. D. 2017. Elementary School Garden Planting. June 6-8, 2017. Work with each of eight classes to plant a section of the elementary school garden. 30 minutes per class, about 20 students per class (8 classes). Contact hours = 80 


Smart, C. D. 2017. Empire State Producers Expo. January 18, 2017, Syracuse NY. Tomato bacterial diseases of 2016. 20 minute talk to 100 growers and educators. Contact hours = 33. 


Smart, C. D. 2017. Empire State Producers Expo. January 18, 2017, Syracuse NY. Managing tomato leaf mold in high tunnel production. 20 minute talk to 90 growers and educators. Contact hours = 30. 


Smart, C. D. 2017. Geneva City School District Summer Science Camp. July 01 – Aug 10, 2017. 20 x 3 hour sessions on science and agriculture with 16 third-grade students. Contact hours = 960. 


Smart, C. D. 2017. Geneva Green Thumb Planting Event. April 20, 2017, Geneva NY. 2 hour workshop discussing seed planting and helping participants plant seed for their community or home gardens. About 20 participants. Contact hours = 40. 


Smart, C. D. 2017. Geneva School District Third-Grade Seed Planting May 1-9, 2017. What are seeds and what makes them grow? Nine, 45 minute interactive sessions with students talking about seeds and planting vegetable seed. About 20 students per session, 9 sessions. Contact hours = 135. Conducted by Smart lab members Holly Lange, Valpuri Sovero and grad student Libby Cieniewicz. 


Smart, C. D. 2017. Webinar for beginning vegetable growers entitled ‘Vegetable Diseases’, March 15, 2017. This was a 1 hour webinar to about 25 participants. Contact hours = 25

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