W2008: Biology and Management of Iris yellow spot virus (IYSV), Other Diseases, and Thrips in Onions (from W1008)

(Multistate Research Project)

Status: Inactive/Terminating

SAES-422 Reports

02/06/2013

Bag, S., Schwartz, H.F., and Pappu, H.R. 2012. Identification and characterization of biologically distinct isolates of Iris yellow spot virus (genus Tospovirus, family Bunyaviridae), a serious pathogen of onion. Eur. J. Plant Pathol. 134:97-104.


Beer, S.V., Asselin, J.E., Bonasera, J.M., Zaid, A.M. and Hoepting, C.A. 2012. Better understanding of bacterial onion diseases in New York. Onion World, Columbia Publishing, 28(4): 18-23.


Beer, S.V., Asselin, J., Bonasera, J., Zaid, A. and Hoepting, C.A. 2012. Understanding bacterial diseases of onion in New York. Veg Edge, 8(5): 17-20.


Cramer, C.S., Mohseni-Moghadam, M., Creamer, R.J., and Steiner, R.L. 2012. Screening winter-sown entries for Iris yellow spot disease susceptibility, pp. 80-99. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM.


Diaz-Montano, J., Fail, J., Deutschlander, M., Nault, B.A. and Shelton, A.M.. 2012. Characterization of resistance, evaluation of the attractiveness of plant odors, and effect of leaf color on different onion cultivars to onion thrips (Thysanoptera: Thripidae). J. Econ. Entomol. 105(2): 632-641.


Diaz-Montano, J., Fuchs, M., Nault, B.A. and Shelton, A.M. 2012. Resistance to onion thrips (Thysanoptera: Thripidae) in onion cultivars does not prevent infection by Iris yellow spot virus following vector-mediated transmission. Florida Entomol. 95(1): 156-161.


Foley, K.M., Doniger, A.R., Shock, C.C., Horneck, D.A., and Welch, T. 2012. Nitrate Pollution in Groundwater, Sustainable Agriculture Techniques, Oregon State University, Department of Crop and Soil Science Ext/CrS 137.


Hoepting, C. A., and Beer, S.V. 2012. Exploring the relationship between nitrogen plant spacing and bacterial diseases of onion in NY: Reduced nitrogen and closer spacing could result in less rot. Onion World, Columbia Publishing, 28(7): 18-21.


Hoepting, C.A., and Fuchs, M. 2012. First report of Iris yellow spot virus on onion in Pennsylvania. Plant Disease 96:1229.


Hsu, C.L., Hoepting, C.A., MacNeil, C.R. and Nault, B.A. 2012. How low can you go? The economics of controlling onion thrips with reduced inputs, 2 pgs. In: Proceedings of the 2012 Empire State Fruit & Vegetable EXPO. January 24-26, 2012. Syracuse, NY. http://www.hort.cornell.edu/expo/proceedings/2012/Onions/onion%20Hsu.pdf


Nault, B.A. 2012. Onion thrips control in onion, 2011. Arthropod Management Tests, 2012. 37: E35.


Nault, B.A. 2012. Onion thrips management in onion, 5 pgs. In: Great Lakes Fruit, Vegetable and Farm Market EXPO. Educational Program Abstracts. December 5, 2012. Grand Rapids, MI. Michigan State University Extension. http://www.glexpo.com/summaries/2012summaries/onion.pdf


Nault, B.A., Hsu, C., and Hoepting, C. 2012. Consequences of co-applying insecticides and fungicides for managing Thrips tabaci (Thysanoptera: Thripidae) on onion. Pest Management Science. DOI 10.1002/ps.3444


Nault, B.A., and Shelton, A.M. 2012. Guidelines for managing onion thrips on onion. Cornell Cooperative Extension, Cornell Vegetable Program. Veg Edge 8(5): 14-17.


Nault, B.A., and Shelton, A.M. 2012. Guidelines for managing onion thrips on onion. Cornell Cooperative Extension. Cornell Cooperative Extension of Orange County. Muck & Mineral June 2012: 1-5.


Nault, B.A., Shelton, A.M, Hsu, C. and Hoepting, C. 2012. How to win the battle against onion thrips. Onion World. March/April 2012. pp. 14-17.


Nault, B. A., A. M. Shelton, C. L. Hsu and C. A. Hoepting. 2012. How to win the battle against onion thrips, 6 pgs. In: Proceedings of the 2012 Empire State Fruit & Vegetable EXPO. January 24-26, 2012. Syracuse, NY. http://www.hort.cornell.edu/expo/proceedings/2012/Onions/onion%20Nault.pdf


Rodriguez-Salamanca, L.M., Enzenbacher, T.B., Derie, M.L., du Toit, L.J., Feng, C., Correll, J.C., and Hausbeck, M.K. 2012. First report of Colletotrichum coccodes causing leaf and neck anthracnose on onions (Allium cepa) in Michigan and the United States. Plant Disease 96: 769.


Schroeder, B.K., Humann, J.L., and du Toit, L.J. 2012. Effects of postharvest onion curing parameters on the development of sour skin and slippery skin in storage. Plant Disease 96: 1548-1555.


Shock, C.C., and Shock, C.B. 2012. Research, extension, and good farming practices improve water quality and productivity. Journal of Integrative Agriculture 11(1): 14-30.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. 2011 Onion Variety Trials. p 12-23 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2011, Department of Crop and Soil Science Ext/CrS 141.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. Onion Production from Transplants. p 24-31 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2011, Department of Crop and Soil Science Ext/CrS 141.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. Onion Production from Sets, 2011. p 32-39 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2011, Department of Crop and Soil Science Ext/CrS 141.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. Response of Four Onion Varieties to Plant Population and Irrigation System. p 40-65 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2011, Department of Crop and Soil Science Ext/CrS 141.


Smith, E. A., A. DiTommaso, M. Fuchs, A. M. Shelton and B. A. Nault. 2012. Abundance of weed hosts as potential sources of onion and potato viruses in western New York. Crop Protection 37: 91-96.


Waters, T.D., and Walsh, D. 2012. Thrips control on dry bulb onions in Washington State, 2011. Arthropod Management Tests 37. http://www.entsoc.org/protected/AMT/AMT37.


Wohleb, C.H., Waters, T.D., du Toit, L.J. and Schroeder, B.K. 2012. The Washington State University Onion Cultivar Trial: An important resource for Washington onion growers. Acta Horticulturae 969:241-246. http://www.actahort.org/books/969/969_32.htm


Zaid, A.M., Bonasera, J.M., Beer, S.V. 2012. OEM -- A new medium for rapid isolation of onion-pathogenic and onion-associated bacteria. J. Microbiological Methods 91: 520526.




Other Activities


1. Research Reports: Abstracts and Papers at International Professional Meetings


Fok, E.J., and Nault, B.A. 2012. Natural enemies of onion thrips (Thrips tabaci) in New York onion agroecosystems. Entomological Society of America Annual Meeting. November 12, 2012. Knoxville, TN.


Nault, B.A., and Shelton, A.M. 2012. Proactive IRM for thrips: A case study of onion thrips in onion. In Section Symposium: Do crises drive innovation? Insect Resistance Management: Proactive or Reactive? Entomological Society of America Annual Meeting. November 13, 2012. Knoxville, TN.


Pfeufer, E.E., Mansfield, M.A., Stoltzfus, J. and Gugino, B.K. 2012. Identification of factors associated with bacterial diseases of onion: A case study of two Pennsylvania farms. Phytopathology 102: S1.7. (Abstract)


Schwartz, H.F., Schroeder, B.K., VanKirk, J., Douce, G.K., Jibilian, G., Lafferty, J., and Norton, G.W. 2012. Onion ipmPIPE Network  Interactive resource for onion stakeholders. American Phytopathological Society Annual Meeting. August 4-8, 2012. Providence, RI. Phytopathology 102:S4.107. (Abstract).


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. Onion bulb size response to plant population for four varieties under three irrigation systems. American Society of Horticultural Science. Miami, FL.


Smith, E.A., Shields, E.J., Fuchs, M. and Nault, B.A. 2012. Early-season patterns of onion thrips, Thrips tabaci (Lindeman), population densities in onion fields in New York. Entomological Society of America Annual Meeting. November 12, 2012. Knoxville, TN.


Vahling-Armstrong, C.M., Humann J.L., Lupien, S., Dugan, F., du Toit, L.J., and Schroeder, B.K. 2012. DNA macroarray for the detection of fungal onion bulb rot pathogens. American Phytopathological Society Annual Meeting. August 4-8, 2012. Providence, RI. Phytopathology 102:S4.125. (Abstract).




2. Research Reports: Abstracts and Papers at National Professional Meetings


Beer, S.V., Asselin, J.E., Bonasera, J.M, Zaid, A.M., Hoepting, C.A. 2012. Research yields greater understanding of bacterial diseases of onion in New York. http://www.hort.cornell.edu/expo/proceedings/2012/Onions/Onions%20Beer.pdf


Cramer, C.S. Screening winter-sown onion entries for Iris yellow spot virus resistance. W2008: Biology and management of Iris yellow spot virus (IYSV), other diseases and thrips in onions. Regional research project annual meeting. Dec. 14, 2012. Las Cruces, NM.


Cramer, C.S., Mohseni-Moghadam, M., Creamer, R.J., and Steiner, R.L. Steiner. 2012. Screening winter-sown entries for Iris yellow spot disease susceptibility, pp. 39. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM. (Abstr.)


Cramer, C.S., Muhyi, R., Mohseni-Moghadam, M., Kamal, N., and Singh, N. 2012. Eight years of screening for Iris yellow spot resistance, p. 31. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM. (Abstr.)


Damon, S., and Havey, M.J. 2012. Genetic variation for epicuticular waxes in onion: a thrips-avoidance mechanism. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM.


Drost, D. 2012. Does alternative crop management practices impact thrips, IYSV and onion productivity? Proc. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM. Poster Presentation.


Feibert, E.B.G., Shock, C.C., Saunders, L.D., and Simerly, B. 2012. An overview of onion production from transplants and sets. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM.


Fok, E., and Nault, B.A. 2012. Natural enemies of onion thrips (Thrips tabaci) in New York onion agroecosystems. Entomological Society of America  Eastern Branch. March 17, 2012. Hartford, CT.


Havey, M.J., Cramer, C.S., Pappu, H.R., Schwartz, H.F., Chan, A., and Town, C. 2012. USDA-SCRI funded project Ensuring US onion sustainability: Breeding and genomics to control thrips and Iris yellow spot virus, p. 32. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM. (Abstract)


Hoepting, C.A. 2012. An IPM approach to managing bacterial diseases of onions. In: Proceedings of the 2012 Great Lakes Fruit, Vegetable and Farm Market EXPO (online): http://www.glexpo.com/summaries/2012 summaries/onion.pdf. December 4-6, 2012. Grand Rapids, MI.


Hoepting, C.A. 2012. Exploring the relationship between nitrogen and bacterial diseases of onions. In: Proceedings of the 2012 Empire State Fruit and Vegetable Expo, Cornell Cooperative Extension and New York State Vegetable Growers Association (online): http://www.hort.cornell.edu/expo/proceedings/2012/Onions/Onion%20Nitrogen%20and%20Bacterial%20Hoepting.pdf. January 24-26, 2012. Syracuse, NY.


Hoepting, C.A., Nault, B.A., and Beer, S.V. 2012. W2008: New York update for managing onion thrips and bacterial diseases of onions. Annual Meeting for Multi-State Project W2008: Biology and Management of Iris yellow spot virus (IYSV), Thrips and Other Diseases in Onions. December 14, 2012. Las Cruces, NM.


Kamal, N., and Cramer, C.S.. 2012. Selection progress for thrips and Iris yellow spot virus resistance in onion germplasm after one selection cycle, p. 47. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM. (Abstract)


Nault, B.A. 2012. Onion insect pest management in onion. Great Lakes Fruit, Vegetable & Farm EXPO. Michigan State University Extension. December 5, 2012. Grand Rapids, MI.


Poudyal, D.S., du Toit, L.J., Paulitz, T., Porter, L., Eggers, J., and Hamm, P. 2012. Onion stunting caused by Rhizoctonia: Management and economic importance in the Columbia Basin of Oregon and Washington. National Allium Research Conference, 12-14 Dec. 2012, Las Cruces, NM. http://aces.nmsu.edu/narc2012/index.html Abstract and proceedings article (pp. 68-77).
Reitz, S., Shock, C.C., Feibert, E.B.G., Jemmett, E., and Saunders, L.D. 2012. Insecticide rotations for control of thrips in onion. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM.


Schroeder, B.K., Vahling-Armstrong, C.M., Humann J.L., Knerr, A.J., Lupien, S., Dugan, F., and du Toit, L.J. 2012. DNA macroarray for the detection of fungal onion bulb rot pathogens. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM. Abstract.


Schwartz, H.F., Schroeder, B.K., VanKirk, J.G. Douce, K., and Jibilian, G. 2012. Update on the onion ipmPIPE network  Progress and plans. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM. Abstract.


Shock, C.C., Feibert, E.B.G., and Reitz, S. 2012. Oregon 2012 update on IYSV and thrips. W2008 Annual Meeting. December 14, 2012. Las Cruces, NM.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. 2012. Plant population options for marketing long-day onions. National Allium Research Conference. December 12-13, Las Cruces, NM.


Singh, N., and Cramer, C.S. 2012. Selection progress for tolerance to Iris yellow spot virus in onions, p. 43. In: Proc. 2012 Natl. Allium Res. Conf. S. Walker and C.S. Cramer (Eds.), Las Cruces, NM. (Abstract)


Smith, E.A., Shields, E.J., Fuchs, M. and Nault, B.A. 2012. Early-season patterns of onion thrips, Thrips tabaci (Lindeman), population densities in onion fields in New York. Entomological Society of America  Eastern Branch. March 17, 2012. Hartford, CT.


Waters, T.D. 2012. Thrips Control Strategies on Onion. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM.


Wohleb, C.H., Waters, T.D., du Toit, L.J., and Schroeder, B.K. 2012. The WSU Onion Cultivar Trial: A Valuable Resource for Pacific Northwest Onion Producers. National Allium Research Conference. December 12-13, 2012. Las Cruces, NM. Abstract.




3. Reports at Grower meetings and field days


Alston, D., Nischwitz, C., and Drost, D. 2012. USU ipmPIPE Thrips/IYSV monitoring protocols and ipmPIPE and onion website information. Utah Onion Association Summer Field Tour. August 16, 2012. Layton, Utah.


Alston, D. 2012. Novel Insecticides for Onions. Utah Onion Association winter Summer Field Tour. August 16, 2012. Layton, Utah.


Armstrong, C., Humann, J., Knerr, J., du Toit, L. J., and Schroeder, B.K. 2012. Development of a DNA Macroarray for rapid detection of onion bulb rot pathogens. Washington State University Onion Field Day. August 30, 2012.


Beer, S.V. 2012. Progress towards managing bacterial diseases of onions. 2012 Annual Elba Muck Onion Twilight Meeting, Cornell Vegetable Program. August 2, 2012. Elba, NY.


Bunn, B. and D. Alston. 2012. Utah Onion ipmPIPE Project: Thrips Monitoring in the Onion Landscape. Utah Onion Association winter meeting. February 14, 2012. Brigham City, Utah.


Cramer, C.S. 2012. Screening onion entries for tolerance/resistance to Iris yellow spot virus. NM Onion Field Day. July 21, 2012. Las Cruces, NM.


Drost, D. 2012. 2012 Onion Variety Trial Results  Better than Expected. Utah Onion Association winter meeting. February 14, 2012. Brigham City, Utah.


Drost, D. 2012. Onion Crop Rotation Study. Utah Onion Association Summer Field Tour. August 16, 2012. Layton, Utah.


du Toit, L.J. 2012. Disease management in onion seed crops: What, when, and how? Central Oregon Farm Fair & Trade Show. February 1-2, 2012. Madras, OR.


du Toit, L.J. 2012. Effective management of Botrytis in onion seed crops. Annual Educational Growers Meeting of the Specialty Seed Growers of Western Oregon. February 22, 2012. Albany, OR.


du Toit, L.J. 2012. Management practices to reduce stunting caused by Rhizoctonia. 52nd Annual Meeting of the Idaho & Malheur County, Oregon Onion Growers Associations. February 7, 2012. Ontario, OR.


du Toit, L.J. 2012. Rhizoctonia in onion bulb crops: Evaluation of field management practices. Columbia Basin Crop Consultants Association Annual Short Course. January 18, 2012. Moses Lake, WA.


du Toit, L.J. 2012. Steps towards effective management of Botrytis in onion seed crops. Columbia Basin Vegetable Seed Association Annual Meeting. January 17, 2012. Moses Lake, WA.


du Toit, L.J., and Poudyal, D.S. 2012. Rhizoctonia control in dry bulb onions. Pacific Northwest Vegetable Association 26th Annual Conference & Trade Show. November 14-15, 2012. Kennewick, WA.


du Toit, L.J., Poudyal, D.S., Paulitz, T., Porter, L., Hamm, P., and Eggers, J. 2012. Rhizoctonia seedling blight of onion crops in the Columbia Basin. Pp. 8-9 in: 2012 WSU Onion Cultivar Demonstration and Field Day Handout. Washington State University, Pullman, WA.


Gugino, B.K. 2012. Growing onions: Options for disease management. Schuylkill County Ag Day and Trade Show. February 9, 2012. Schuylkill Haven, PA.


Gugino, B.K. 2012. Onion disease management. Northeast Vegetable Growers Meeting, Newton Ransom Fire Company. January 26, 2012. Clarks Summit, PA.


Gugino, B.K. 2012. Onion disease management. New Holland Vegetable Day, Yoders Restaurant. January 16, 2012. New Holland, PA.


Foley, K.M., Doniger, A.R., Harden, J.L., Parris, C.A., and Shock, C.C. 2012. Technology for Yourth. Summer Farm Festival, OSU Malheur Experiment Station. July 11, 2012. Ontario, OR.


Hoepting, C.A. 2012. Onion program update featuring bacterial diseases of onions. Cornell Cooperative Extension of Wayne County Board of Directors Meeting. September 4, 2012. Newark, NY.


Hoepting, C.A. 2012. Field demonstration: Exploring the role of adjuvants in the development of bacterial diseases of onions. 2012 Annual Elba Muck Onion Twilight Meeting, Cornell Vegetable Program. August 2, 2012. Elba, NY.


Hoepting, C.A. 2012. Exploring the relationship between nitrogen and bacterial diseases of onion in New York. 2012 Empire State Fruit and Vegetable Expo, Cornell Cooperative Extension and New York State Vegetable Growers Association. January 26, 2012. Syracuse, NY.


Hoepting, C.A. 2012. An IPM approach to managing bacterial diseases of onion. Great Lakes Fruit, Vegetable and Farm Market EXPO. December 5, 2012. Grand Rapids, MI.


Hoepting, C.A. 2012. Exploring the relationship between nitrogen and bacterial diseases of onions. Oswego Onion Twilight Meeting, Cornell Cooperative Extension of Oswego County. Oswego, NY, USA: June 18, 2012 (38 attendees).


Hsu, C.L., C. A. Hoepting, C. R. MacNeil and B. A. Nault. 2012. How low can you go? The economics of controlling onion thrips with reduced inputs. Empire State Fruit & Vegetable EXPO. January 26, 2012. Syracuse, NY. Speaker. Duration: 20 minutes. Attendance: 60.


Nault, B. A. 2012. Field demonstration of managing onion thrips. 2012 Elba Muck Onion Twilight Meeting. Cornell Cooperative Extension, Cornell Vegetable Program. Elba, NY. August 2, 2012.


Nault, B. A. 2012. Considerations for managing maggots and thrips in onions. Oswego County Onion Twilight Meeting. Cornell Cooperative Extension of Oswego County. Oswego, NY. June 18, 2012.


Nault, B. A. 2012. Insect management for 2012  maggot and thrips control. Orange County Onion School. March 1, 2012. Middletown, NY. Speaker. Duration: 60 minutes. Attendance: 50.


Nault, B.A., Shelton, A.M., Hsu, C.L., and Hoepting, C.A. 2012. How to win the battle against onion thrips. Empire State Fruit & Vegetable EXPO. January 26, 2012. Syracuse, NY. Speaker. Duration: 45 minutes. Attendance: 60.


Nischwitz, C. 2012. Thrips Food Sources and IYSV Hosts in the Utah Farmscape. Utah Onion Association winter meeting. Brigham City, Utah. February 14, 2012.


Schroeder, B.K., Vahling-Armstrong, C., Humann, J.L., Knerr, A.J., and du Toit, L. J. 2012. Development of a DNA Macroarray for the Detection of Bulb Rot Pathogens of Onion. Pacific Northwest Vegetable Association Annual Conference. November 14-15, 2012. Kennewick, WA.


Schwartz, H.F. 2012. Onion disease management and updates. Annual Education Meeting of the Colorado Crop Consultants Association. January 11, 2012. Denver, CO.


Schwartz, H.F. 2012. Onion virus management and updates. Annual Education Meeting of the Colorado Onion Association. January 26, 2012. Eaton, CO.


Schwartz, H.F. 2012. Onion virus management and updates. Annual Education Meeting of the Wisconsin Onion Association. February 1, 2012. via Skype.


Shock, C.C. 2012. Onion Thrips Control. Idaho/Malheur County, Oregon Onion Growers 52nd Annual Meeting. February 7, 2012. Ontario, OR.


Shock, C.C. 2012. Progress on Cleaning up Groundwater through BMPs. Idaho/Malheur County, Oregon Onion Growers 52nd Annual Meeting. February 7, 2012. Ontario, OR.


Shock, C.C. 2012. Onion Production Tour. Summer Farm Festival, OSU Malheur Experiment Station. July 11, 2012. Ontario, OR.


Shock, C.C. 2012. Water Quality and Farm Practices. Summer Farm Festival, OSU Malheur Experiment Station. July 11, 2012. Ontario, OR.


Shock, C.C., and Feibert, E.B.G. 2012. Irrigation Criteria and Systems for Onions. Pacific Northwest Vegetable Association. November 14, 2012. Kennewick, WA.


Shock, C.C., and Feibert, E.B.G. 2012. Onion varieties, production, and thrips control. Onion Variety Day. OSU Malheur Experiment Station. August 28, 2012. Ontario, OR.


Shock, C.C., Feibert, E.B.G., and Saunders, L.D. 2012. Onion Plant Population Studies. Pacific Northwest Vegetable Association. November 14, 2012. Kennewick, WA.


Shock, C.C., Klauzer, J., and Neufeld, J. 2012. Irrigation Water Management with Dataloggers and Soil Moisture Sensors. Treasure Valley Irrigation Conference. December 6, 2012. Nampa, ID.


Ward, R. 2012. Onion Budgets  Do Small Changes in Practice Affect the Bottom Line? Brigham City, Utah. February 14, 2012.


Waters, T.D. Thrips Control in Sweet Onions. Walla Walla Farmers Co-Op Grower Meeting. January 17, 2012. Walla Walla, WA.


Waters, T.D. Insect Management in Onions. Columbia Basin Crop Consultants Annual Short Course. January 18, 2012. Moses Lake, WA.


Waters, T.D. Onion Thrips Management in Onions. Utah Onion Grower Annual Meeting. February 14, 2012. Brigham City, UT.


Waters, T.D. Thrips Control Strategies on Onion. Far West Agri-Business Association Annual Meeting. December 11, 2012. Pasco, WA.


Waters, T.D., and Walsh, D. Thrips Control in Dry Bulb Onions. Pacific Northwest Insect Management Conference. January 8, 2012. Portland, OR.


Waters, T.D., and Walsh, D. Thrips Control Strategies for Onions. Pacific Northwest Vegetable Association. November 14, 2012. Kennewick, WA.


Waters, T.D., and Wohleb, C. 2012. Washington State University Onion Cultivar Storage Demonstration Trial. February 10, 2012. Pasco, WA.




Internet Resources


Schwartz, H.F. 2012. Web site dedicated to information and resources on onion pest management and/or thrips and IYSV. http://www.alliumnet.com/index.htm


Onion Disease Management strategies, reports and publications, including those on IYSV and thrips and other diseases. http://www.colostate.edu/Orgs/VegNet/vegnet/onions.html


Onion ipmPIPE and Disease Diagnostics, including those on IYSV and thrips, in addition to other resources such as weather, forecasts, markets: http://apps.planalytics.com/aginsights/pipehome.jsp http://onion.coop/


Schwartz, H.F., and Gent, D. H. 2012. High Plains Integrated Pest Management Resource. On-line IPM bulletin with updated onion disease and pest reviews, and pesticide recommendations. http://wiki.bugwood.org/HPIPM%3AOnion


Information on onions and pest management is posted on the website of the Regional Cornell Cooperative Extension Vegetable Program in New York: http://cvp.cce.cornell.edu/


http://mtvernon.wsu.edu/path_team/onion.htm#thrips


http://mtvernon.wsu.edu/path_team/onion.htm#irisyellowspot

01/22/2014

Alston, D. G., Nault, B., Cranshaw, W. S., Hardin, J., Srinivasan, R., and Waters, T. 2013. Insects and their management. Pp. 49-56. In, Onion Health Management and Production. Schwartz, H. F. and Bartolo, M. E. (editors). Colorado State University Bull. Fort Collins, CO.

Beer, S. V., Asselin, J.-A. E., Bonasera, Zaid, A. M., J. M. and Hoepting, C. A. 2012. Better understanding bacterial onion diseases in New York. Onion World 28: (4) 18-22.

Birithia, R., S. Subramanian, H. R. Pappu, J. Muthomi and R. D. Narla. 2013. Analysis of Iris yellow spot virus (IYSV, genus Tospovirus) replication in vector and non-vector thrips species. Plant Pathology DOI: 10.1111/ppa.12057.

Boateng, C. O., and Schwartz, H. F. 2013. Temporal and localized dynamics of Iris yellow spot virus within tissues of infected onion plants. Southwestern Entomologist: 38:183-199.

Carr, E. A., Zaid, A. M., Bonasera, J. M., Lorbeer, J. W., and Beer, S. V. 2013. Infection of onion leaves by Pantoea ananatis leads to bulb infection. Plant Disease 97: 1524-1528.

Cramer, C.S. 2013. Onion germplasm selected for resistance to Iris yellow spot. N.M. Agric. Expt. Stn. Rel. Not. 5 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., Poudyal, D.S., Paulitz, T., and Linderman, R. 2013. Preliminary survey for mycorrhizae in organic and conventional onion bulb crops in the Columbia Basin. Pp. 12-13 in: 2013 WSU Onion Cultivar Demonstration and Field Day Handouts. Washington State University, Pullman, WA.

du Toit, L.J., Poudyal, D.S., Paulitz, T., Porter, L., Hamm, P., and Eggers, J. 2013. Rhizoctonia seedling blight in onion crops in the Columbia Basin. Pp. 10-11 in: 2013 WSU Onion Cultivar Demonstration and Field Day Handouts. Washington State University, Pullman, WA.

Iftikhar, R., S. Bag, M. Ashfaq and H.R. Pappu. 2013. Occurrence of Iris yellow spot virus infecting onion in Pakistan. Plant Disease 97:1517.

Keller, D. 2013. 2013 WSU Onion Cultivar Demonstration and Field Day: Assessing and Countering Potential Downside of Fumigation. Pages 10-13 in the Nov. 2013 issue of Onion World, Columbia Publishing, WA.

Keller, D. 2013. Pacific Northwest Vegetable Association Conference & Trade Show: Pink Root in Times of Stress. Pages 10-13 in the Dec. 2013 issue of Onion World, Columbia Publishing, WA.

Knerr, A.J., Humann, J.L., du Toit, L.J., Schroeder, B.K., and Armstrong, C. 2013. Advancement in Molecular Techniques for Rapid Identification of Onion Bulb Rot Pathogens: Development of a Bacterial DNA Macroarray. 2013 WSU Onion Cultivar Demonstration and Field Day Handouts.

Muñoz, R. M., Lerma, M. L., Lunello, P., and Schwartz, H. F. 2013. Iris yellow spot virus in Spain: incidence, epidemiology and yield effect on onion crops. J. of Plant Pathology accepted

Nault, B. A. 2013. Integrated pest management of onion thrips, 4 pages. Mid-Atlantic Fruit and Vegetable Convention, Hershey, PA. January 30, 2013.

Nault, B. A., C. Hsu and C. Hoepting. 2013. Consequences of co-applying insecticides and fungicides for managing Thrips tabaci (Thysanoptera: Thripidae) on onion. Pest Management Science. 69: 841-849.

Pappu, H.R., and A. Rauf. 2013. First report of Iris yellow spot virus in Indonesia. Plant Disease 97:1665.

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 97:1626-1635.

Pfeufer, E.E., M.A. Mansfield, and B.K. Gugino. 2013. Environmental and management factors associated with bacterial rots of onion in Pennsylvania. Phytopathology 103:S2.173.

Schwartz, H. F. (editor). 2013. Onion Health Management and Production. 104 pp. Colorado State University Bulletin, Fort Collins, CO.

Sharma-Poudyal, D., Paulitz, T., Porter, L., Eggers, J., Hamm, P., and du Toit, L.J. 2013. Effect of timing of glyphosate application to a winter 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.

Sharma-Poudyal, D., Paulitz, T., Porter, L., Eggers, J., Hamm, P., and du Toit, L.J. 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.

Sharma-Poudyal, D., Paulitz, T., Porter, L., Eggers, J., Hamm, P., and du Toit, L.J. 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.

Waters, T., and Wohleb, C. 2013. Onion Thrips. Washington State University Extension Fact Sheet FS126E, Pullman, WA.

Webb, K. M., Case, A. J., Brick, M. A., Otto, K. and Schwartz, H. F. 2013. Cross pathogenicity and vegetative compatibility of Fusarium oxysporum isolated from sugar beet. Plant Disease 97:1200-1206 dx.doi.org/10.1094/PDIS-11-12-1051-RE.

Wu, M., Goto, H., Waters, T.D., Walsh, D., & Lavine, L.S. 2013. Identification of an alternative Knockdown Resistance kdr-like mutation, M918L, and a novel mutation, V1010A, in the Thrips tabaci voltage-gated sodium channel gene. Pest Management Science.

Zaid, A. M. and Beer, S. V. 2014. Detection of Burkholderia cepacia in onion planting materials and onion seeds. Chapter 22 in M. Fatmi and N. W. Schaad, eds. APS Manual on Detection of Plant Pathogenic Bacteria in Seed and Planting Material. 2nd Ed. APS Press. St. Paul, MN. (In Press).

Other Activities

1. Research Reports: Abstracts and Papers at International Professional Meetings

du Toit, L.J. Neck rot identification and management based on Achilles’ heel. Invited presentation, The UK Onion and Carrot Conference & Exhibition, 20-21 Nov. 2013, Peterborough, UK. (~350 people).

du Toit, L.J. Onion neck rot: Effective management based on Achille’s heel. Invited presentation at the 62nd Annual Muck Vegetable Growers’ Conference, 3-4 Apr. 2013, Bradford, Ontario, Canada.

Shock, C.C., E.B.G. Feibert, and J.M. Pinto. 2013. Review of two decades of progress in the development of successful drip irrigation for onions. International Irrigation Show, November 5-7, Austin, TX.

2. Research Reports: Abstracts and Papers at National Professional Meetings

Arif, M., Armstrong, C.M., Knerr, A.J., Lupien, S., Dugan, F.M., Du Toit, L.J., & Schroeder, B.K. (2013). Modification of oligo design for enhanced sensitivity of a DNA macroarray for detection of fungal onion bulb rot pathogens. Phytopathology 103:S2.8 (Abstr.). National meeting of the American Phytopathological Society, 10-14 Aug. 2013, Austin, TX.


Buckland, K., J. Reeve, D. Alston, C. Nischwitz, and D. Drost. 2013. Effects of Nitrogen Fertility and Crop Rotation on Onion Growth and Yield, Thrips Densities, and Iris Yellow Spot Virus, and Soil Properties. Agriculture, Ecosystems, and the Environment 177:63-74.

Cramer, C.S. 2013. Breeding for resistance to Iris yellow spot. W2008: Biology and Management of Iris yellow spot virus (IYSV) Other Diseases, and Thrips in Onions. Annual Meeting. Denver, CO. December 12, 2013.

Cramer, C.S. and N. Kamal. 2013. Measuring selection progress in onion germplasm after one selection cycle for reduced Iris yellow spot symptom expression. HortScience 48:S363. (Abstr.)

Cramer, C.S. and N. Kamal. 2013. Selection progress for reduced Iris yellow spot symptom expression in onion germplasm after one selection cycle (p. 26). 2013 Joint Annual Meeting of the Plant Breeding Coordinating Committee and National Association of Plant Breeders. Tampa, FL.

Drost, D., D. Alston, and C. Nischwitz. 2013. IYSV and Thrips Management-Utah. Annual Meeting, W2008 Working Group. Denver CO. Dec 12, 2013.

Drost, D., D. Alston, and C. Nischwitz. 2013. Utah State Report. Annual Meeting, W2008 Working Group. Denver CO. Dec 12, 2013.

Dugan, F. M., Lupien, S. L., Vahling-Armstrong, C. M., Chastagner, G. A., and Schroeder, B. K. 2013. Host range of Penicillium spp. (blue mold) rotting bulb crops. Phytopathology 103:S2.37 (Abstr.). National meeting of the American Phytopathological Society, 10-14 Aug. 2013, Austin, TX.

Gourd, T., Hammon, R., Hammond, E., Moore, S., Schwartz, H., Sakata, R., and Petrocco, D. 2013. Economic and Biological Impact of Companion-Crop-Planted Onions to Non-Companion-Crop-Planted Onions. Galaxy Extension Conference, September 18, 2013. Pittsburgh, PA.

Hardin, J., Cranshaw, W., and Szostek, S. 2013. Thrips associated with the environs of onion fields in Colorado. American Entomological Society Meeting Poster, Nov. 12, 2013.

Hoepting, C.A., Nault, B. A., and S.V. Beer. 2013. Update on IYSV, Onion thrips and other diseases in New York. Annual Meeting for Multi-State Project W2008: Biology and Management of Iris yellow spot virus (IYSV), Thrips and Other Diseases in Onions. Denver, CO.

Nault, B. A., and C. A. Hoepting. 2013. Onion thrips management in onion in New York. Annual Meeting for Multi-State Project W2008: Biology and Management of Iris yellow spot virus (IYSV), Thrips and Other Diseases in Onions. Denver, CO.

Nault, B. A. and A. M. Shelton. 2013. It’s not all fruit in the Big Apple: Vegetable pest management of onion thrips in onion and cabbage. In PI-E Section Symposium: Current Status of Vegetable Insect Pests in the USA. Entomological Society of America Annual Meeting, November 13, 2013, Austin, TX.

Pfeufer, E.E. and B.K. Gugino. 2013. Environmental factors and production practices associated with bacterial diseases of onion. 2013 Mid-Atlantic Fruit and Vegetable Convention Proceedings, PA Vegetable Growers Association, Richfield, PA. Pp. 171-174.

Reitz, S.R. 2013. Lessons learned from a distant land: Onion thrips and their management in the Pacific Northwest. Symposium on Thrips – Small Players with Big Damages, Annual Meeting of Florida Entomological Society, Naples, FL, 17 July.

Sharma-Poudyal, D., Paulitz, T., Porter, L., Eggers, J., Hamm, P.B., and du Toit, L.J. 2013. Rhizoctonia spp. dynamics and optimal timing of glyphosate application to cereal cover crops to manage onion stunting in Washington and Oregon. Oral presentation, national meeting of the American Phytopathological Society, 10-14 Aug. 2013, Austin, TX. Phytopathology 103:S221-O. (Abstr.)

Shock, C.C., E.B.G. Feibert, L.D. Saunders. 2013. Onion variety response to plant population and irrigation system. Annual Conference of the American Society of Horticultural Science, Palm Desert, CA, 25 July.

Shock, C.C., J.M. Pinto, H. Kreeft, R. Ross, T. Laubacher and B. Shock. 2013. E. coli and Onions. Treasure Valley Irrigation Conference, Four Rivers Cultural Center, Ontario, OR, 17 December.

Shock, C.C. and B.M. Shock. 2013. Preliminary Results, E. coli and Onions. Multi-State Project, W2008: Biology and Management of Iris Yellow Spot Virus (IYSV), Other Diseases, and Thrips in Onions, Denver, CO, December 12.

Singh, N. and C.S. Cramer. 2013. Selection progress for reduced Iris yellow spot symptom expression in onion. HortScience 48:S364. (Abstr.)

Smith, E. A., E. J. Shields, M. Fuchs and B. A. Nault. 2013. Diurnal dispersal of onion thrips, Thrips tabaci (Lindeman), in an onion ecosystem. Entomological Society of America Annual Meeting. Austin, TX. November 11, 2013.

Szostek, S. and Schwartz, H. F. 2013. Onion thrips (Thrips tabaci) and Iris yellow spot virus survival throughout Colorado winters. Phytopathology 103:142. American Phytopathological Society Meeting Poster, Aug. 12, 2013. Austin, TX.

Uchanski, M.E. and C.S. Cramer. 2013. NM State Report. W2008: Biology and Management of Iris yellow spot virus (IYSV) Other Diseases, and Thrips in Onions. Annual Meeting. Denver, CO. December 12, 2013.

Waters, T.D. 2013. Thrips Management in Onion. Pacific Northwest Insect Management Conference, Portland, OR.

Waters, T.D., Pappu, H., Dutoit, L.J., Schroeder, B.K., & Wohleb, C.H. 2013. Update on IYSV and Thrips in Washington State. W2008, Denver, CO.

Waters, T.D., & Walsh, D. 2013. Thrips Management in Onion in Washington State. W2008, Denver, CO.

3. Reports at Grower meetings and field days

Alston, D. 2013. Activity of New Insecticide Modes-of-Action on Onion Thrips Life Stages. Utah Onion Association winter meeting, Brigham City, Utah. February 12, 2013.

Alston, D. 2013. Landscape effects on onion thrips, IYSV and onions. Utah Onion Association winter Summer Field Tour. Brigham City, Utah. August 13, 2013.

Alston, D., Nischwitz, C., and Drost, D. 2013. USU ipmPIPE Thrips/IYSV monitoring protocols and ipmPIPE and onion website information. Utah Onion Association Summer Field Tour. Brigham City, Utah. August 13, 2013.

Asselin, J.-A., Bonasera, J., Hoepting, C., Zaid, A. and Beer. S. 2013. Update on bacterial disease management. Orange County Onion School. March 1, 2013. Middletown, NY.

Baskett, J., Arif, M., Mavrodi D., Mavrodi O., and Schroeder B. K. Epifluorescence microscopy of temporal interactions of Enterobacter cloacae in onions. NSF REU Undergraduate Research Symposium, Washington State University, Pullman, WA, 2 August 2013.

Beer, S. V., 2013. Bacterial disease incidence and control in onions. 2013 New York State Onion Industry Council. Winter Meeting. Cornell Cooperative Extension. Ithaca, NY. February 21, 2013.

Bunn, B. and D. Alston. 2013. Influences of the Agricultural Landscape on Onion Thrips and IYSV. Utah Onion Association winter meeting, Brigham City, Utah. February 12, 2013.

Cramer, C.S. Screening onion entries for tolerance/resistance to thrips and Iris yellow spot virus. NM Onion Field Day. Las Cruces, NM. July 16, 2013.

Cramer, C.S. Breeding for resistance to Iris yellow spot. Pacific Northwest Vegetable Association Conference. Pasco, WA. November 13, 2013.

Cramer, C.S. Breeding for resistance to Iris yellow spot in onion. Hazera Genetics and Nickerson-Zwaan Onion Research Teams Annual Meeting. Visalia, CA. July 30, 2013.

Drost, D. 2013. Crop Rotations and Onion Productivity: Does Planting Date Really Matter. Utah Onion Association winter meeting, Brigham City, Utah. February 12, 2013.

Drost, D. 2013. 2013 Onion Variety Trial. Utah Onion Association Summer Field Tour. Brigham City, Utah. August 13, 2013.

du Toit, L.J. Disease management in onion seed crops: What? When? How? Columbia Basin Vegetable Seed Association Annual Meeting, 15 Jan. 2013, Moses Lake, WA. (~70 people)

du Toit, L.J. Emerging onion diseases in the Columbia Basin. Columbia Basin Crop Consultants’ Association Short Course, 16-17 Jan. 2013, Moses Lake, WA (~120 people).

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. (~75 people)

du Toit, L.J. Why was pink root so prevalent in 2013? Onion Session. Pacific Northwest Vegetable Association 26th Annual Conference & Trade Show, 13-14 Nov. 2013, Kennewick, WA. (~125 people)

Gugino, B.K. Vegetable disease update for 2013. PVGA Vegetable Grower Field Day, Southeast Agricultural Research and Extension Center, Manheim, PA. August 6, 2013.

Hoepting, C.A. 2013. Growing GIANT onions! And managing bacterial soft rot. Mohawk Valley Produce Auction Growers Meeting. Canajoharie, NY. December 5, 2013 (20 participants).

Hoepting, C.A. 2013. Best management practices for onion pests. North Country Allium School. Plattsburg, NY. October 22, 2013 (34 participants).

Hoepting, C.A. 2013. Best management practices for onion pests. North Country Allium School. Canton, NY. October 21, 2013 (25 participants).

Hoepting, C.A. Role of adjuvants in development of bacterial disease. Annual Elba Muck Onion Twilight Meeting. Elba, NY. August 8, 2013 (36 participants).

Hoepting, C.A. 2013. An IPM approach to managing bacterial diseases of onions. Bradford Muck Vegetable Conference. Bradford, Ontario, Canada. April 4, 2013 (70 participants).

Hoepting, C.A. 2013. Small-scale onion pest and disease update. Chautauqua Produce Auction Meeting. Clymer, NY. March 15, 2013 (35 participants).

Hoepting, C.A. 2013. Role of adjuvants in bacterial diseases of onions. NYS Onion Industry Annual Winter Meeting. Ithaca, NY. February 21, 2013 (12 participants).

Hoepting, C.A. 2013. An IPM approach to managing bacterial diseases of onion. 2013 University of Wisconsin Extension and Wisconsin Potato and Vegetable Growers’ Association Grower Conference. Stevens Point, WI. February 6, 2013 (10 participants).

Hoepting, C.A. and B.A. Nault. Onion insect management update. Annual Elba Muck Onion Twilight Meeting. Elba, NY. August 8, 2013 (36 participants).

Hoepting, C.A and B.A. Nault. 2013. Winning the Battle: Controlling onion thrips in New York. Bradford Muck Vegetable Conference. Bradford, Ontario, Canada. April 4, 2013 (70 participants).

Nischwitz, C. 2013. Update on IYSV – ELISA-positive Weeds and Post-harvest Storage Diseases. Utah Onion Association winter meeting. Brigham City, Utah. February 12, 2013.

Nault, B. A. 2013. Integrated pest management of onion thrips. In Onion session. Mid-Atlantic Fruit and Vegetable Convention, Hershey, PA. January 30, 2013.

Nault, B. A. 2013. Insect pests and management update. 2013 New York State Onion Industry Council Winter Meeting. Cornell Cooperative Extension. Ithaca, NY. February 21, 2013.

Nault, B. A. 2013. Insect management for onions. Orange County Onion School. March 1, 2013. Middletown, NY.

Nault, B. A. 2013. Managing onion insect pests. Oswego County Onion Twilight Meeting. Cornell Cooperative Extension of Oswego County. Oswego, NY. June 25, 2013.

Nault, B. A. 2013. Update on new insecticides for vegetable insect pest management in New York. Cornell Cooperative Extension’s Agricultural In-Service Annual Meeting. November 21, 2013. Ithaca, NY.

Pfeufer, E.E. Managing bacterial diseases of onion. Lancaster County Onion Co-op Meeting, Leola, PA. March 20, 2013.

Pfeufer, E.E. Environmental factors and production practices associated with bacterial diseases of onion. 2013 Mid-Atlantic Fruit and Vegetable Convention, Hershey, PA. January 28, 2013.

Reitz, S.R. 2013. Onion thrips biology and management. Pacific Northwest Vegetable Association, Kennewick, WA, 13 November.

Schwartz, H. F. 2013 Onion virus management and updates. Annual Education Meeting of the Colorado Onion Association on January 31, 2013 at Eaton, CO.

Schwartz, H. F. 2013 Onion disease management and updates. Annual Education Meeting of the Utah Onion Association on February 12, 2013 at Brigham City, UT.

Schwartz, H. F. 2013 Onion disease management and updates. Annual Education Meeting of the National Onion Association on July 18, 2013 at Loveland, CO.

Shock, C.C. E.B.G. Feibert, and L.D. Saunders. 2013. Onion Variety Trial Report 2012. Idaho and Malheur County Onion Growers’ Associations – 53rd Annual Meeting, Four Rivers Cultural Center, Ontario, OR, 5 February.

Shock, C.C. E.B.G. Feibert, and L.D. Saunders. 2013. Plant population options for marketing long-day onions. Idaho and Malheur County Onion Growers’ Associations – 53rd Annual Meeting, Four Rivers Cultural Center, Ontario, OR, 5 February.

Shock, C.C. E.B.G. Feibert, L.D. Saunders, E. Jemmett, and S. Reitz. 2013. Alternative Methods for Thrips Control in Onions, 2012. Idaho and Malheur County Onion Growers’ Associations – 53rd Annual Meeting, Four Rivers Cultural Center, Ontario, OR, 5 February.

Shock, C.C., S. Reitz, and E.B.G. Feibert. 2013. Onion production tour including thrips control, iris yellow spot virus, fertigation, fumigation, onions grown from sets and transplants, irrigation management and soil moisture monitoring. Summer Farm Festival and Field Day, Oregon State University Malheur Experiment Station, Ontario, OR, 10 July.

Shock, C.C. 2013. Food and Drug Administration Tour of Onion Production, Ontario, OR, 12 August.

Uchanski, M.E. Onion impPIPE project update; year 3. NM Onion Field Day. Las Cruces, NM. July 16, 2013.

Udquim, K.-I. T., Arif, M., du Toit, L.J., and Schroeder, B.K. 2013. Detection and discrimination of Botrytis species, causal agents of onion bulb rot, using quantitative polymerase chain reaction (qPCR) melting curve analysis. The Summer 2013 Undergraduate Research Poster Symposium at Washington State University, The Office of Undergraduate Research, 2 Aug. 2013, Pullman, WA.

Waters, T.D. 2013. Onion Insect Control. Walla Walla Farmers Co-Op Grower Meeting, Walla Walla, WA.

Waters, T.D. 2013. Insect Control in Vegetables. Pesticide Recertification Day, Ontario, OR.

Waters, T.D. 2013. Thrips Management in Onion. Pacific Northwest Vegetable Association, Kennewick, WA.

Waters, T.D. 2013. Insect Control in Onion. Farm Fair, Hermiston, OR.

Washington State University (WSU) Onion Cultivar Storage Demonstration Trial, L&L Farms, Othello, WA, 8 Feb. 2013. Evaluation of 55 onion cultivars (3 replicate plots of 55 bulbs evaluated/cultivar) for storage rots and storage quality. Organized by Tim Waters & Carrie Wohleb, WSU Extension Educators.

Presentations were given to ~75 growers, consultants, breeders, regulators, extension educators, graduate students, postdoctorates, researchers, etc. at the 2013 Washington State University Onion Field Day, 29 August 2013, Hartley Farms, near Benton City, WA. The presentations covered materials included in the field day handouts, as listed above in the publications section.

Internet Resources

Hoepting, C.A. and S.V. Beer. 2013. Exploring the relationship between nitrogen, plant spacing and bacterial diseases of onion in New York: Reduced nitrogen and closer spacing could result in less rot. Cornell Vegetable Program website. http://rvpadmin.cce.cornell.edu/pdf/submission/pdf106_pdf.pdf

Hoepting, C.A. and S.V. Beer. 2013. Role of adjuvants in bacterial diseases of onions. Cornell Vegetable Program website. http://rvpadmin.cce.cornell.edu/pdf/submission/pdf115_pdf.pdf

Schwartz, H. F. 2013. Web site dedicated to information and resources on onion pest management and/or thrips and IYSV. http://www.alliumnet.com/index.htm

Onion Disease Management strategies, reports and publications, including those on IYSV and thrips and other diseases. http://www.colostate.edu/Orgs/VegNet/vegnet/onions.html

Onion ipmPIPE and Disease Diagnostics, including those on IYSV and thrips, in addition to other resources such as weather, forecasts, markets: http://apps.planalytics.com/aginsights/pipehome.jsp http://onion.coop/

Pacific Northwest Vegetable Extension Group (PNW VEG) website (http://mtvernon.wsu.edu/path_team/vegpath_team.htm)
with sections on onion diseases, pests, and other problems, as well as IPM resources: e.g., http://mtvernon.wsu.edu/path_team/onion.htm and http://mtvernon.wsu.edu/path_team/ipmResources.htm#onion

Schwartz, H. F., and Gent, D. H. 2013. High Plains Integrated Pest Management Resource. On-line IPM bulletin with updated onion disease and pest reviews, and pesticide recommendations. http://wiki.bugwood.org/HPIPM%3AOnion

Preliminary studies on Escherichia coli and onion can be found in the Oregon State University Agricultural Experiment Station website. http://www.cropinfo.net/crops/PrelininaryStudiesOnEcoliAndOnion_ExtCrS148_31Oct2013.pdf

Shock, C.C., J.M. Pinto, T.A. Laubacher, R.D. Ross, A.C. Mahony, H. Kreeft, and B.M. Shock, 2013. Movement of Escherichia coli is soil as applied in irrigation water. In Shock, C.C. Ed. Preliminary studies on Escherichia coli and onion. Oregon State University Malheur Experiment Station, Department of Crop and Soil Science Special Report, Ext/CrS 148: 1-17.

Shock, C.C., J.M. Pinto, T.A. Laubacher, R.D. Ross, A.C. Mahony, H. Kreeft, and B.M. Shock, 2013. Survival of Escherichia coli on onion during field curing and packout. In Shock, C.C. Ed. Preliminary studies on Escherichia coli and onion. Oregon State University Malheur Experiment Station, Department of Crop and Soil Science Special Report, Ext/CrS 148: 18-27.

Shock, C.C., J.M. Pinto, H. Kreeft, and B.M. Shock, 2013. Onion storage in sterilized new plastic crates compared to storage in old wooden boxes. In Shock, C.C. Ed. Preliminary studies on Escherichia coli and onion. Oregon State University Malheur Experiment Station, Department of Crop and Soil Science Special Report, Ext/CrS 148: 28-35.

Ross, R.D., C.C. Shock, T.A. Laubacher, J.M. Pinto, A.C. Mahony, H. Kreeft, and B.M. Shock, 2013. Simulated filtration pond to remove Escherichia coli from irrigation water. In Shock, C.C. Ed. Preliminary studies on Escherichia coli and onion. Oregon State University Malheur Experiment Station, Department of Crop and Soil Science Special Report, Ext/CrS 148: 36-43.

Shock, C.C., E.B.G. Feibert, and L.D. Saunders. 2013. 2012 Onion variety trials. p 12-25 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144. http://www.cropinfo.net/AnnualReports/2012/20121OnionVar.php

Shock, C.C., E.B.G. Feibert, and L.D. Saunders. 2013. Onion production from transplants and sets. p 26-34 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144. http://www.cropinfo.net/AnnualReports/2012/20122OnionTrans.php

Shock, C.C., E.B.G. Feibert, and L.D. Saunders. 2013. Onion variety response to plant population and irrigation system. p 35-62 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144. http://www.cropinfo.net/AnnualReports/2012/20123OnionIrrig.php

Shock, C.C., E.B.G. Feibert, K.J. Barlow, A.L. Rock, L.D. Saunders, E. Jemmett, and S. Reitz. 2013. Insecticide rotations for thrips control in onions, 2012. p 63-69 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144.
http://www.cropinfo.net/AnnualReports/2012/20124OnionThrips.php

Shock, C.C., E.B.G. Feibert, K.J. Barlow, A.L. Rock, L.D. Saunders, E. Jemmett, and S. Reitz. 2013. Alternative methods for thrips control in onions, 2012. p 70-75 In Shock C.C. (Ed.) Oregon State University Agricultural Experiment Station, Malheur Experiment Station Annual Report 2012, Department of Crop and Soil Science Ext/CrS 144.
http://www.cropinfo.net/AnnualReports/2012/20125OnionThripsAlt.php

Shock, C.C., F.X. Wang, R.J. Flock, E.B.G. Feibert, C.A. Shock, and A.B. Pereira. 2013. Irrigation monitoring using soil water tension. Sustainable Agriculture Techniques, Oregon State University Extension Service. EM 8900 10p. http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/37569/em8900.pdf

Shock, C.C. T. Welch, F.X. Wang R. Flock, E.B.G. Feibert, C.A. Shock, y A.B. Pereira. 2013. El control del riego mediante la tensión matricial del suelo. Tecnicas para la agricultura sostenible, Oregon State University Extension Service, Corvallis. EM 8900-S-E. 10p. http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/37648/em8900-s.pdf

Shock, C.C. 2013. Drip Irrigation: An Introduction. Sustainable Agriculture Techniques, Oregon State University Extension Service, Corvallis. EM 8782-E 8p.
http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/37461/em8782.pdf

Shock C.C. y T. Welch. 2013. El riego por goteo: Una introducción. Tecnicas para la agricultura sostenible, Oregon State University Extension Service, Corvallis. EM 8782-S 9p. http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/37462/em8782-S.pdf

Shock, C.C., R.J. Flock, E.B.G. Feibert, C.A. Shock, and J. Klauzer. 2013. Drip irrigation guide for onion growers in the Treasure Valley. Sustainable Agriculture Techniques, Oregon State University Extension Service. EM 8901 8p. http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/43725/em8901.pdf

Shock, C.C., B.M. Shock, and T. Welch. 2013. Strategies for efficient irrigation water use. Sustainable Agriculture Techniques, Oregon State University Extension Service. EM8783. 7p. http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/37465/em8783.pdf

03/06/2015

11/11/1111

Alston, D. G., 2015. Growing cover crops for pest management. Utah Pests News, Utah State University Extension, 9(Fall). http://utahpests.usu.edu/files/uploads/UtahPests-Newsletter-fall15.pdf


Asselin, J.E., J.M. Bonasera, and S.V. Beer. 2016. PCR Primers for detection of Pantoea ananatis, Burkholderia spp., and Enterobacter sp. from onion. Plant Disease. 100: 1-11.


Asselin, J. E., J.M. Bonasera, and S.V. Beer. 2015. New York bacterial rot research update: Critical factors. Onion World 31(3):20-23.


Buckland, K., Alston, D. G., Reeve, J., Nischwitz, C., & Drost, D. T. Trap crops in onion to reduce onion thrips and Iris yellow spot virus: Environmental Entomology/Entomological Society of America. (Submitted).


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


du Toit, L.J., Waters, T., and Reitz, S. 2016. Internal dry scale and associated bulb rots of onion. Extension Bulletin PNW 686. In press.


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.


Gill, H.K., H. Garg, A.K. Gill, J.L. Gillett-Kaufman, and B.A. Nault. 2015. Onion thrips (Thysanoptera: Thripidae) biology, ecology, and management in onion production systems. J. Integ. Pest Mngmt. 6(1): 6. DOI: 10.1093/jipm/pmv006.


Gugino, B.K. and E.E. Pfeufer. 2015. Bacterial disease management of onion. 2015 Mid-Atlantic Fruit and Vegetable Convention Proceedings, Pennsylvania Vegetable Growers Association, Richfield, PA. pp. 79-81.


Hoepting, C.A. 2015. New top performing pesticides now registered in onions in New York. March 1, 2015 Veg Edge, 11(3): 136-145.


Hoepting, C.A. 2015. Onion thrips breaking spray threshold in upland transplanted onion.  May 27, 2015, 2015 Veg Edge, 11(7): 9-10.


Hoepting, C.A. 2015. The conflicts of simultaneous control of onion thrips and Botrytis leaf blight in onions. June 17, 2015 Veg Edge, 11(10): 6-7.


Hoepting, C.A. 2015. Management of Summer Leaf Diseases in Onion: Target Spot Diseases. July 1, 2015, 2015 Veg Edge, 11(13): 6-7.


Hoepting, C.A. and B.A. Nault. 2015. Strategic Management of Onion Thrips in Onions. July 15, 2015, 2015 Veg Edge, 11(14): 4.


Hoepting, C.A. 2015. Causes of Outer and Inner Leaf Dieback in Onions. July 22, 2015, 2015 Veg Edge, 11(15): 5.


Hoepting, C.A. 2015. Scouting Tips for Identifying Downy Mildew in Onions. July 29, 2015, 2015 Veg Edge, 11(16): 5.


Hoepting, C.A. 2015. Managing Downy Mildew of Onion: Control of target Spot Diseases is Critical. August 5, 2015, 2015 Veg Edge, 11(17): 4-5.


Hoepting, C.A. 2015. Iris Yellow Spot Virus of Onion. August 12, 2015, 2015 Veg Edge, 11(18): 3.


Hoepting, C.A. 2015. Using Ridomil to Manage Downy Mildew in Onion. August 12, 2015, 2015 Veg Edge, 11(18): 6.


Hoepting, C.A. 2015. Managing Stemphylium leaf blight and downy mildew. Onion World, 31(7): 34-37.


Maughan, T., D. Drost and N. Allen. 2015. Vegetable Irrigation: Onion. Utah State University Cooperative Extension Bulletin. http://digitalcommons.usu.edu/extension_curall/723/


Nault, B.A. 2015. Onion thrips management: Crisis averted? What’s next?, 4 pgs. Empire State Producers EXPO. January 22, 2015. Syracuse, NY.             http://www.hort.cornell.edu/expo/proceedings/2015/onions/Thrips%20management%20crises%20averted.pdf


Nault, B.A. 2015. Onion maggot and onion thrips management in onion. Onion World 31(2):   16-19.


Pappu, H.R. 2015. Thrips-transmitted Iris yellow spot virus – A threat to onion sustainability. Agricultural Research Journal 52: 10-12


Pfeufer, E., C. Hoepting, and B. Gugino. 2015. Advances in managing onion bacterial diseases in the Northeastern U.S. Onion World 31(6): 22-27.


Rinehold, J., Bell, N., Waters, T.D., & McGrath, D. 2015. Vegetable Insect Pests. In Craig Hollingsworth (Eds.), 2015 Pacific Northwest Insect Management Handbook Corvallis, OR: Oregon State University.


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


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


Sharma-Poudyal, D., Paulitz, T.C., and du Toit, L.J. 2016. Timing of glyphosate applications to wheat cover crops to reduce onion stunting caused by Rhizoctonia solani. Plant Disease 100: accepted Nov. 2015 pending minor revisions, revised & re-submitted Dec. 2015. PDIS-10-15-1234-RE


Shock, C.C., E.B.G. Feibert, A. Rivera, L.D. Saunders. 2015. Response of onion yield, grade,   and financial return to plant population and irrigation system. HortScience 50(9):1312-1318.


Shock, C.C., J.M. Pinto, E.B.G. Feibert, and C.B. Shock. 2015. Optimal irrigation criteria for drip irrigated onions. Growing Produce. March 24, 2015.


Smith, E.A. 2016. Patters of dispersal activity of onion thrips, Thrips tabaci Lindeman, in onion ecosystems. Cornell University, PhD. Dissertation. Pp. 131.


Smith, E.A., M. Fuchs, E.J. Shields, and B.A. Nault. 2015. Long-distance dispersal potential for onion thrips (Thysanoptera: Thripidae) and Iris yellow spot virus (Bunyaviridae: Tospovirus) in an onion ecosystem. Environ. Entomol. 44(4): 921-930. DOI: 10.1093/ee/nvv072.


Vahling-Armstrong, C., Dung, J.K.S., Humann, J.L., and Schroeder, B. K. 2015. Effects of postharvest onion curing parameters on bulb rot caused by Pantoea agglomerans, Pantoea ananatis and Pantoea allii in storage. Plant Pathology, http://onlinelibrary.wiley.com/doi/10.1111/ppa.12438/epdf


Tripathi, D., G. Raikhy, and H.R. Pappu (2015). Movement and nucleocapsid proteins coded by two tospovirus species interact through multiple binding regions in mixed infections. Virology 478:143-53. doi: 10.1016/j.virol.2015.01.009


Tripathi, D., G. Raikhy, R. Dietzgen, M. Goodin, and H.R. Pappu (2015). In vivo Localization of Iris yellow spot virus (Bunyaviridae: Tospovirus)-encoded Proteins and Identification of Interacting Regions of Nucleocapsid and Movement Proteins. PLoS ONE 10(3): e0118973. doi:10.1371/journal.pone.0118973


Tripathi, D., and H.R. Pappu (2015). Evaluation of Acibenzolar-S-Methyl-Induced Resistance against Iris yellow spot tospovirus. European J. Plant Pathology 142:855–864. DOI 10.1007/s10658-015-0657-0 E.


Waters, T.D. and Skoczylas, J.C. 2015. Thrips Control in Dry Bulb Onions in Washington State, 2012. Arthropod Management Tests. Report #E70.


Waters, T.D. and Skoczylas, J.C. 2015. Thrips Control in Dry Bulb Onions in Washington State, 2014. Arthropod Management Tests. Report #E72.


Waters, T.D. and Skoczylas, J.C. 2015. Thrips Control on Dry Bulb Onions Using Overhead Chemigation of Insecticides, 2014. Arthropod Management Tests. Report #E71.


Wohleb, C.H. and Waters T.D. Yield, Quality, and Storage Characteristics of Onion Cultivars in the Columbia Basin of Washington. HortTech. Submitted.


Zaid, A.M., J.E. Asselin, and S.V. Beer. 2016. Detection of Burkholderia cepacia in onion planting materials and onion seeds. Chapter 22 in M. Fatmi and N. W. Schaad, eds. APS Manual on Detection of Plant Pathogenic Bacteria in Seed and Planting Material. 2nd Ed. APS Press. St. Paul, MN. (In Press).


 

12/08/2016

(See attached file for complete listing of abstracts, reports, and presentations.)


Asselin, J.E., J.M. Bonasera, and S.V. Beer. 2016. PCR Primers for detection of Pantoea ananatis, Burkholderia spp., and Enterobacter sp. from onion. Plant Disease 100:1-11.


Bartolo, M.E., and K.J. Tanabe. 2015. Onion variety trial. Pp. 16-18 in: Arkansas Valley Res. Center 2010 Reports, CO State Univ. Ag. Expt. Station Tech. Rep. TR15-11.


Drost, D., C. Cannon, D. Alston, M. Murray, C. Nischwitz, M. Pace, B. Bunn, B. Hunter, and T. Beddes. 2016. Utah Vegetable Production and Pest Management Guide (206 pp). Utah State University Extension, Logan, UT. http://utahpests.usu.edu/IPM/files/uploads/Publications/UT-veg-guide-2016.pdf


du Toit, L.J., Waters, T., and Reitz, S. 2016. Internal dry scale and associated bulb rots of onion. Extension Bulletin PNW686.


Dutta, B., R. Gitaitis, A. Barman, U. Avci, K. Marasigan, and R. Srinivasan. 2016. Interactions between Frankliniella fusca and Pantoea ananatis in the center rot epidemic of onion (Allium cepa). Phytopathology 106:956-962.


Gourd, T.G. 2016. Summary of the Northern Colorado Onion Variety Trials for 2016. 2016 Rep. Colorado State Univ. Extension Adams Co. Pp.1-4.


Hay, F.S., D. Strickland, E. Maloney, and C.A. Hoepting. 2016. Anthracnose of onion caused by Colletotrichum coccodes in New York. Plant Disease 100:2171.


Hoepting, C.A. 2016. Efficacy of fungicide treatments for control of downy mildew on onion, 2015.  Plant. Dis. Manag. Rep. 10:V119.


Hoepting, C.A. 2016. Efficacy of fungicide treatments for control of Stemphylium leaf blight on onion, 2015.  Plant Dis. Manag. Rep. 10:V121.


Hoepting, C.A. 2016. Improved efficacy of fungicide Scala SC for control of Stemphylium leaf blight on onion, 2015. Plant. Dis. Manag. Rep. 10:V117.


Hoepting, C.A. 2016. Managing Stemphylium leaf blight: Spray by number to prevent fungicide resistance. Onion World  32(6):6-10.


Jacobson, A.L., B.A. Nault, E.L. Vargo, and G.G. Kennedy. 2016. Restricted gene flow among lineages of Thrips tabaci supports genetic divergence among cryptic species groups. PLoS ONE 11(9): e0163882. http://dx.doi.org/10.1371/journal.pone.0163882.


Knerr, J.A., Paulitz, T.C., and du Toit, L.J. 2016. Effects of commercial arbuscular mycorrhizae fungi (AMF) products on onion in a growth chamber study, 2015. Plant Dis. Manage. Rep. 10:V098.


Moloto, V.M., Goszczynska, T., du Toit, L.J., and Coutinho, T.A. 2016. A new pathovar of Pseudomonas syringae, pathovar allii, isolated from onion plants exhibiting symptoms of blight. Europ. J. Plant Pathol. 146: doi:10.1007/s10658-016-1028-1.


Nault, B.A. 2016. Medicating onions for thrips infestations: New remedies to consider. Onion World  32(3): 8-13.


Nault, B.A., and A.S. Huseth. 2016. Evaluating an action-threshold based insecticide program on onion cultivars varying in resistance to onion thrips (Thysanoptera: Thripidae). J. Econ. Entomol. 109(4):1772-1778.


Reitz, S.R., C.S. Cramer, C.C. Shock, E.B.G. Feibert, A. Rivera, and L. Saunders. 2016. Evaluation of new onion lines for resistance to onion thrips and Iris yellow spot virus. Pp. 170-174, In: 2015 Malheur Exp. Stn Annu. Rep. OR State Univ. Agric. Expt. Stn. Circ. 156.


Rinehold, J., Bell, N., Waters, T.D., and McGrath, D. 2016. Vegetable insect pests. In: 2015 Pacific Northwest Insect Management Handbook, Craig Hollingsworth, Editor. Oregon State University, Corvallis, OR.


Sharma-Poudyal, D., Paulitz, T.C., and du Toit, L.J. 2016. Timing of glyphosate applications to wheat cover crops to reduce onion stunting caused by Rhizoctonia solani. Plant Dis. 100:1474-1481.


Shock, C.C., S.R. Reitz, R.A. Roncarati, H. Kreeft, B.M. Shock, and J. Klauzer. 2016. Drip vs. furrow irrigation in the delivery of Escherichia coli to onions. Appl. Eng. Agric. 32:235-244.


Smith, E.A. 2016. Patterns of dispersal activity of onion thrips, Thrips tabaci Lindeman, in onion ecosystems. Cornell University, PhD dissertation. Pp. 131.


Smith, E. A., E. J. Shields, and B. A. Nault. 2016. Onion thrips colonization of onion fields bordering crop and non-crop habitats in muck cropping systems. J. Appl. Entomol.: in press.


Smith, E. A., E. J. Shields, and B. A. Nault. 2016. Impact of abiotic factors on onion thrips (Thysanoptera:  Thripidae) aerial dispersal in an onion ecosystem. Environ. Entomol. 45:1115- 1122.


Tabassum, A., Reitz, S., Rogers, P., and Pappu, H. R. 2016. First report of Iris yellow spot virus infecting green onion (Allium fistulosum) in the USA. Plant Dis. 100:2539.


Wohleb, C.H., and Waters T.D. 2016. Yield, quality, and storage characteristics of onion cultivars in the Columbia Basin of Washington. HortTech. 26(2):230-243.


Zaid, A.M., J.E. Asselin, and S.V. Beer. 2016. Detection of Burkholderia cepacia in onion planting materials and onion seeds.  Chapter 22 in: Manual on Detection of Plant Pathogenic Bacteria in Seed and Planting Material, 2nd Ed. M. Fatmi and N. W. Schaad, eds. American Phytopathological Society. St. Paul, MN. In press.

01/02/2018

Buckland, K., D. Alston, J. Reeve and C. Nischwitz.  2017.  Trap crops in onion to reduce onion thrips and Iris yellow spot virus.  Southwestern Entomologist 42(1): 73-90. http://dx.doi.org/10.3958/059.042.0108.


 


Cramer, C.S.  2017.  Evaluating Iris yellow spot disease incidence and severity in onion germplasm of varying leaf characteristics.  HortScience 52:527-532.


 


Dung, J. and R. Wilson.  2017.  In search of the next DADS: continuing research on fungicides and sclerotia germination stimulants for White Rot control.  Onion World (May/June 2017):4-6.


 


Dutta, B., F. Anderson, S. Smith, and R.D. Gitaitis.  2017.  Epiphytic survival of Pantoea ananatis on Richardia scabra in Georgia.  Plant Disease 101:613-618.


 


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


 


Hoepting, C.A.  2017.  Efficacy of foliar nutrient feeding on Stemphylium leaf blight on onion, 2016.  Plant Disease Management Reports 10:V129. Doi: 10.1094/PDMR11.


 


Hoepting, C.A.  2017.  Efficacy of fungicide timing on Stemphylium leaf blight on onion, 2016.  Plant Disease Management Reports 10:V130. Doi: 10.1094/PDMR11.


 


Hoepting, C.A.  2017.  Efficacy of fungicide treatments for control of Botrytis leaf blight and Stemphylium leaf blight on onion, 2016.  Plant Disease Management Reports 10:V127. Doi: 10.1094/PDMR11.


 


Hoepting, C.A.  2017.  Efficacy of fungicide treatments for control of Stemphylium leaf blight on onion, 2016.  Plant Disease Management Reports 10:V128. Doi: 10.1094/PDMR11.


 


Johnson, W., B. Dutta, F.H. Sanders, and X. Luo.  2017.  Interactions among cultivation, weeds and a bio fungicide in organic Vidalia sweet onion.  Weed Technology 31:890-896.


 


Leach, A., M. Fuchs, R. Harding, R. Schmidt-Jeffris and B.A. Nault.  2017.  Transplanted onion fields host abundant dispersing viruliferous onion thrips early to mid-season for late season Iris yellow spot virus epidemics in New York.  Plant Disease (in press) https://doi.org/10.1094/PDIS-06-17-0793-RE.


 


Leach, A., S. Reiners, M. Fuchs and B.A. Nault.  2017.  Evaluating integrated pest management tactics for onion thrips and pathogens they transmit to onion.  Agriculture, Ecosystems & Environment 250: 89-101.


 


Mazzone, J.E.  2017.  Responding to growers’ needs: evaluation of management strategies for onion center rot, caused by Pantoea ananatis and Pantoea agglomerans.  M.S. Thesis, The Pennsylvania State University, University Park, PA, May 2017.


 


Moloto, V.M., T. Goszczynska, L.J. du Toit, and T.A. Coutinho.  2017.  A new pathovar of Pseudomonas syringae, pathovar allii, isolated from onion plants exhibiting symptoms of blight. Europ. J. Plant Pathol. 146:591-603.


 


Murray, M.K., P. Jepson, S. Reitz.  2017.  An integrated pest management strategic plan for treasure valley onions: Oregon and Idaho.  Western Region Integrated Pest Management Center. https://ipmdata.ipmcenters.org/documents/pmsps/Onion_IPMSP_June_2017.pdf


 


Reitz, S.R.  2017.  Evolution of onion pest management in the treasure valley.  Onion World (February 2017) pp. 6-8.


 


Rinehold, J., N. Bell, T.D. Waters and D. McGrath.  2017.  Vegetable insect pests.  In Craig Hollingsworth (Eds.), 2015 Pacific Northwest Insect Management Handbook Corvallis, OR: Oregon State University.


 


Smith, E.A., E.J. Shields, and B.A. Nault.  2017.  Onion thrips colonization of onion fields bordering crop and non-crop habitats in muck cropping systems.  Journal of Applied Entomology 141(7): 574-582.


 


Stumpf, S., R. Gitaitis, T. Coolong, C. Riner, and B. Dutta.  2017.  Interaction of onion cultivar and growth stages on incidence of Pantoea ananatis bulb infection.  Plant Disease 101:1616-1620.


 


Waters, T.D. and J.K. Darner.  2017.  Thrips managment on dry bulb onions with the use of foliar insecticide applications, 2016.  Arthropod Management Tests 2017; 42 (1): tsx081. doi: 10.1093/amt/tsx081.


 


Zhao, X., S.R. Reitz, H. Yuan, Z. Lei, D.R. Paini, and Y. Gao.  2017.  Pesticide-mediated intraspecific competition between local and invasive thrips pests. Nature Scientific Reports. 7:40512 | DOI: 10.1038/srep40512.

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