W4008: Integrated Onion Pest, Disease and Weed Management
(Multistate Research Project)
Status: Active
SAES-422 Reports
02/24/2023
Belo, T., LaHue, G., and du Toit, L.J. 2023. Reducing the risk of onion bacterial diseases through irrigation, fertility, and other cultural management strategies. Agronomy Journal: accepted. doi: 10.1002/agj2.21301.
du Toit, L.J., Derie, M.L., Gundersen, B., Waters, T.D., and Darner, J. 2022. Effects of bactericide and herbicide applications on bacterial leaf blight and bulb rot of onion, Pasco, WA, 2021-22. Plant Disease Management Reports 16:V150.
du Toit, L.J., Derie, M.L., Gundersen, B., Waters, T.D., and Darner, J. 2022. Effects of late-season cultural practices on bacterial leaf blight and bulb rot in an onion crop, Pasco, WA, 2021-22. Plant Disease Management Reports 16:V149.
du Toit, L.J., Derie, M.L., Gundersen, B., Waters, T.D., and Darner, J. 2022. Efficacy of disinfectants applied to onion bulbs in storage for control of bacterial bulb rots, Pasco, WA, 2021-22. Plant Disease Management Reports 16:V148.
du Toit, L.J., Derie, M.L., Gundersen, B., Waters, T.D., and Darner, J. 2022. Susceptibility of 12 onion cultivars to bacterial leaf blight and bulb rot in Pasco, WA, 2021-22. Plant Disease Management Reports 16:V151.
Dung, J.K.S. and Hua, K.. 2022. Comparison of fungicides for control of white rot on garlic in Oregon, 2020-2021. Plant Disease Management Reports 16:CF029. doi: 10.1094/PDMR16
Dutta, B., Foster, M.J., and Donahoo, W.M. 2022. Evaluation of fungicides to manage Botrytis leaf blight on onion in Georgia, 2021. PDMR 16:V043.
Dutta, B., Foster, M.J., and Donahoo, W.M. 2022. Evaluation of bactericides and plant defense inducers to manage internal bacterial rot of onion in Georgia, 2021. PDMR 16:V044.
Dutta, B., and Tyson, C. 2022. Evaluation of neck-clipping length on post-harvest incidence of external and internal bacterial bulb rot in onion, Georgia, 2021. PDMR 16:V107.
Dutta, B., and Tyson, C. 2022. Evaluation of harvesting methods on post-harvest incidence of external and internal bacterial bulb rot in onion, Georgia, 2021. PDMR 16:V108.
Dutta, B., and Tyson, C. 2022. Evaluation of digging methods on post-harvest incidence of external and internal bacterial bulb in onion, Georgia, 2021. PDMR 16:V109.
Feibert, E., C. Shock, S. Reitz, A. Rivera-Ramires, and K. Wieland. 2022. Performance of Onion Cultivars in the Treasure Valley of Eastern Oregon and Southwestern Idaho in 2010—20. Hortechnology, 32:435-446
Hay, F.S. D.W. Heck, A. Klein and S. Sharma, C.A. Hoepting and S.J. Pethybridge. 2022. Spaciotemporal dynamics of Stemphylium leaf blight and potential inoculum sources in New York onion fields. Plant Disease, 106(5): 1381-1391.
Hay, F.S., D.W. Heck, S. Sharma, A. Klein, C.A. Hoepting and S.J. Pethybridge. 2022. Stemphylium leaf blight of onion. The Plant Health Instructor, 22: online: doi: 10.1094/PH-P-2022-01-0001.
Hay, F., A. Klein, S. Murphy, S., and B. Nault. 2022. Efficacy of OMRI-listed products for Stemphylium leaf blight control in onion in New York, 2018. Plant Disease Management Reports 16: V121.
Hay, F., A. Klein, S. Murphy, and B. Nault. 2022. Effect of OMRI-listed products for Stemphylium leaf blight control in onion in New York, 2019. Plant Disease Management Reports 16: V152.
Hoepting, C.A. 2022. Rolling onions to “Stop the Rot” (cover). Veg Edge, 18(12): 1, 3.
Hoepting, C.A. 2022. Bactericides not effective for control of onion bulb rot in on-farm field trials in New York (cover). Veg Edge, 18(17): 1, 3-4.
Hoepting, C.A. 2022. Primary vs. secondary Stemphylium leaf blight in onion. Veg Edge, 18(16): 5-6.
Hoepting, C.A. 2022. Scouting tips for onion thrips in onion. Veg Edge, 18(13): 9.
Hoepting, C.A. and F.S. Hay. 2022. 2021 fungicide research highlights for Stemphylium leaf blight in onion – The fall of the FRAC 3s and keeping onions green despite poor SLB control. Veg Edge, 18(13): 3-5.
Hoepting, C.A. 2022. Slim pickings for fungicides to control Stemphylium leaf blight of onion in 2022. Veg Edge, 18(12): 4-5.
Hoepting, C.A. 2022. Best fungicide options for control of Botrytis leaf blight in onion: It depends on what kind of spot you got. Veg Edge, 18(11): 4-6.
Hoepting, C.A. 2022. Effective post-emergent weed control in onion: Knocking back and knocking out (cover). Veg Edge, 18(8): 6-9.
Hoepting, C.A. 2022. The weed race – Trial notes on spraying small onions with post-emergent herbicides. Veg Edge, 18(7): 6-7.
Hoepting, C.A. 2022. Onion updates and killing of barley nurse crop. Veg Edge, 18(6): 6.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Evaluation of cultural practices to reduce bacterial bulb rot in onions that are failing to lodge, 2021. Plant Disease Management Reports 16: V167.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Efficacy of fungicide products for control of Botrytis leaf blight and Stemphylium leaf blight in onion in Oswego, 2021. Plant Disease Management Reports 16: V140.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Efficacy of FRAC 3 and 7 tank mixes for control of Botrytis leaf blight and Stemphylium leaf blight in onion, 2021. Plant Disease Management Reports 16: V139.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Efficacy of fungicide tank mixes for control of Botrytis leaf blight and Stemphylium leaf blight in onion, Elba, 2021. Plant Disease Management Reports 16: V138.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Evaluation of in-furrow drenches for control of pink root and Fusarium basal rot in direct seeded onion, 2020-2021. Plant Disease Management Reports 16: V132.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Evaluation of in-furrow and soil line drenches for control of pink root and Fusarium basal rot in direct seeded onions, 2021-2022. Plant Disease Management Reports 16: V174.
Hoepting, C.A., S.K. Caldwell and E.R. van der Heide. 2022. Evaluation of selected pesticides for control of bacterial bulb rot in onion, 2021. Plant Disease Management Reports 16: V168.
Hoepting, C., and B. Nault. 2022. Lorsban is banned: How to control cabbage maggot in brassicas now? Cornell Cooperative Extension, Cornell Vegetable Program. VegEdge 18(4): 4-6. https://rvpadmin.cce.cornell.edu/pdf/veg_edge/pdf235_pdf.pdf.
Iftikhar, R., A. Ghosh, and H.R. Pappu. 2022. Mitochondrial genetic diversity of Thrips tabaci (Thysanoptera: Thripidae) in onion growing regions of the USA. J. Econ. Entomol. In Press.
Khanal M., B.P. Bhatta, and S. Malla. 2022. Isolation and characterization of bacteria associated with onion and first report of onion diseases caused by five bacterial pathogens in Texas, U.S.A. Plant Dis. https://doi.org/10.1094/PDIS-09-22-2206-SR
Khanal, M., B.P. Bhatta, S. Timilsina, S. Ghimire, K. Cochran, and S. Malla. 2023. Curtobacterium allii sp. nov., the actinobacteria species causing onion bulb disease. Antonie van Leeuwenhoek 116:83–96. DOI: https://doi.org/10.1007/s10482-022-01775-z
Khanal, M., S. Timilsina, B.P. Bhatta, K. Bophela, T. Coutinho, K. Cochran, and S. Malla. 2022. Pseudomonas uvaldensis sp. nov., a bacterial pathogen causing onion bulb rot, isolated from Texas, USA. Int. J. Syst. Evol. Microbiol. 72:005311. https://doi.org/10.1099/ijsem.0.005311
Lai, P.-C., and B. Nault. 2022. Are onion thrips allies of bulb-rot causing bacteria in organic onion production? Cornell Cooperative Extension, Cornell Vegetable Program. VegEdge 18(16): 9-10. https://rvpadmin.cce.cornell.edu/pdf/veg_edge/pdf247_pdf.pdf.
Lai, P.-C. and B. Nault. 2022. Do thrips facilitate bulb rot disease? Onion World 38(8): https://issuu.com/columbiamediagroup/docs/onion_world_december_2022?fr=sMzU1YzQ5MDQ1MjQ.
Lai, P.-C., L. Iglesias, R.L. Groves, M.J. Havey, and B.A. Nault. 2022. Performance of a semi-glossy onion hybrid in certified organic onion fields infested with Thrips tabaci and bulb-rot causing bacteria. Crop Protect. 160 (1-9). https://doi.org/10.1016/j.cropro.2022.106037
Machado-Burke, A., M. Uchanski, and J. Davey. 2022. Evaluation of bactericides to manage slippery skin in onion in Colorado, 2021. Plant Disease Management Reports (PDMR), the American Phytopathological Society (APS), V128.
MacKay, H., du Toit, L., Havey, M., and Rogers, P. 2022. Joint Allium research meeting held in Denver showcases latest research on onion production, pests and diseases. Onion World May/June 2022:14-16. https://issuu.com/columbiamediagroup/docs/onion_world_may-june_2022/14
MacKay, H., du Toit, L., and Hoepting, C. 2022. Stop the Rot Half-Time Report: News from the Stop the Rot project on onion bacterial diseases. Onion World March/April 2022:16-17.
Machado-Burke, A., M. Uchanski, and J. Davey. 2022. Evaluation of bactericides to manage slippery skin in onion in Colorado, 2021. Plant Disease Management Reports (PDMR), the American Phytopathological Society (APS), V128.
Murdock, M.R., Pizolotto, C.A., and Woodhall, J.W. 2022. Evaluating Pristine and Luna Tranquility against Botrytis leaf spot, Stemphylium leaf blight and other foliar diseases on drip-irrigated onions in Idaho, 2020. Plant Disease Management Reports 16, V105.
Murray, K., I. Sandlin, P. Ellsworth, P. Jepson, A. Fournier, H. Luh and S. Reitz. 2022. The Economic Impact of Onion Pests in the Treasure Valley - A Look at Pests and Associated Management Practices, 2018–2019. Oregon State University Extension Service, EM 9347, 34 pp. https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/em9347.pdf
Myers, B. Shin, G.Y., Stice, S., Agarwal, G., Gitaitis, R., Kvitko, B., and Dutta, B. 2022. Genome-wide association and dissociation studies in P. ananatis reveal potential virulence factors affecting Allium porrum and A. fistulosum x A. cepa hybrid. Frontiers in Microbiology (in press)
Nault, B.A. 2022. Onion thrips control in onion, 2021. Arthropod Management Tests 47(1): tsac052, https://doi.org/10.1093/amt/tsac052.
Nault, B.A. 2022. Onion maggot control using seed treatments in onion, 2021. Arthropod Management Tests, 47(1): tsac055, https://doi.org/10.1093/amt/tsac055.
Nault, B., and C. Hoepting. 2022. Guidelines for maggot and disease control in onion with an emphasis on seed treatments. Cornell Cooperative Extension, Cornell Vegetable Program. VegEdge 18(22): 7-10. https://rvpadmin.cce.cornell.edu/pdf/veg_edge/pdf253_pdf.pdf.
Nault, B., and C. Hoepting. 2022. Guidelines for maggot and disease control in onion with an emphasis on seed treatments. Cornell Cooperative Extension, Cornell Vegetable Program. VegEdge 18(22): 7-10. https://rvpadmin.cce.cornell.edu/pdf/veg_edge/pdf253_pdf.pdf.
Nault, B.A. and C. Hoepting. 2022. Seed treatments: What to know to protect your 2023 onion crop. Onion World 38(7): 28-31. https://issuu.com/columbiamediagroup/docs/onion_world_november_2022?fr=sYmE1NDQ5MDQ1MjQ.
Nault, B.A., R.K. Sandhi, R.S. Harding, E. Grundberg, and T. Rusinek. 2022. Optimizing spinosyn insecticide applications for allium leafminer (Diptera: Agromyzidae) management in allium crops. J. Econ. Entomol. 115(2): 618–623. https://doi.org/10.1093/jee/toac016
Qian, Y., Hua, G.K.H., Scott, J.C., Dung, J.K.S., and Qian, M. 2022. Evaluation of sulfur-based biostimulants for the germination of Sclerotium cepivorum sclerotia and their interaction with soil. Journal of Agricultural and Food Chemistry Manuscript (in print). https://doi.org/10.1021/acs.jafc.2c05862
Regan, K.H. and B.A. Nault. 2022. Impact of reducing synthetic chemical inputs on pest and disease management in commercial onion production systems. Agronomy 12(6), 1292; https://doi.org/10.3390/agronomy12061292
Shahabeddin Nourbakhsh, S. and C.S. Cramer. 2022. Onion germplasm possess lower early season thrips numbers. Horticulturae 8:123. https://doi.og/10.3390/horticulturae8080123.
Shahabeddin Nourbakhsh, S. and C.S. Cramer. 2022. Onion size measurements as predictors for onion bulb size. Horticulturae 8:682. https://doi.og/10.3390/horticulturae8080682.
Shin, G.Y., Smith, A., Coutinho, T.A., Dutta, B., Kvitko, B. 2022. Validation of species-specific PCR assays for the detection of Pantoea ananatis, P. agglomerans, P. allii and P. stewartii. Plant Disease (first look).
Sidhu, J., Dubose, J., Fernberg, J. and Aegerter, B.J. 2022. Evaluation of bactericides for management of bacterial leaf blight and bacterial bulb rot in onions, 2021. Plant Disease Management Reports 16:V026. https://doi.org/10.1094/PDMR16
Wilson, R., K. Nicholson, and B. Aegerter. 2022. The influence of irrigation method on bacterial diseases of onion in Northeast California, 2021 Plant Disease Management Reports 16: V154. https://doi.org/10.1094/PDMR16
Woodhall, J., M. Murdock, K. Beck and M. Thornton. 2021. Pink root disease of onion – biology and control. Extension Bulletin 1000, University of Idaho.
Colorado
Zhao, M., Tyson, C., Chen, H.C., Paudel, S., Gitaitis, R., Kvitko, B., and Dutta. B. 2022. Pseudomonas allivorans sp. nov., a plant-pathogenic bacterium isolated from onion leaf in Georgia, USA. Systematic and Applied Microbiology 45 (1):126278. doi: 10.1016/j.syapm.2021.12627.
Zhao, M., Shin, G.Y., Stice, S., Coutinho, T., Gitaitis, R., Kvitko, B., and Dutta, B. 2022. A novel biosynthetic gene cluster across the Pantoea species complex is important for pathogenicity in onion. Mol. Plant Microbe Interact. (in press)
Zhao, M., Tyson, C., Gitaitis, R., Kvitko, B., and Dutta, B. 2022. Rouxiella badensis, a new bacterial pathogen of onion causing bulb rot. Frontiers in Microbiology 13:1054813.
05/03/2024