Weed control in corn, soybean and wheat crops. Emphasis on control of herbicide resistant weeds and evaluation of herbicide application technologies for efficient delivery of product to target plants.
Scholars@UK
Optimizing metribuzin rates for herbicide-resistant Amaranthus weed control in soybean
Singh, R., Hager, A., Lancaster, S., Norsworthy, J. K., Gage, K., Johnson, W., Young, B., Stephenson, D., Bond, J., Bradley, K., Jhala, A., Essman, A., Steckel, L. E., Mueller, T. C., Sprague, C., Legleiter, T., Werle, R., Ikley, J., Jha, P. & Jugulam, M., Sep 22 2025, In: Weed Technology. 39, e97.Research output: Contribution to journal › Article › peer-review
Planting soybean green: how cereal rye biomass and preemergence herbicides impact Amaranthus spp. management and soybean yield
Nunes, J., Wallace, J., Arneson, N., Johnson, W. G., Young, B., Norsworthy, J. K., Ikley, J., Gage, K., Bradley, K., Jha, P., Lancaster, S., Kumar, V., Legleiter, T. & Werle, R., Sep 1 2024, In: Weed Science. 72, 5, p. 615-629 15 p.Research output: Contribution to journal › Article › peer-review
The silver bullet that wasn't: Rapid agronomic weed adaptations to glyphosate in North America
Landau, C., Bradley, K., Burns, E., Flessner, M., Gage, K., Hager, A., Ikley, J., Jha, P., Jhala, A., Johnson, P. O., Johnson, W., Lancaster, S., Legleiter, T., Lingenfelter, D., Loux, M., Miller, E., Norsworthy, J., Owen, M., Nolte, S. & Sarangi, D. & 6 others, , Dec 1 2023, In: PNAS Nexus. 2, 12, pgad338.Research output: Contribution to journal › Article › peer-review
Evaluation of Italian ryegrass seed dispersal prior to and at wheat harvest in Kentucky
Herman, A. & Legleiter, T. R., Jun 2023, In: Crop, Forage and Turfgrass Management. 9, 1, e20200.Research output: Contribution to journal › Article › peer-review
Sustainable weed management - What is it and how are we doing?
Mccauley, C., Legleiter, T., Herman, R., Rasoulpour, R., Schroeder, J., Pilcher, T., Meinders, K. & Wright, T., Dec 10 2022, In: Weed Technology. 36, 6, p. 768-776 9 p.Research output: Contribution to journal › Article › peer-review
Influence of Broadcast Nozzle Design and Weed Density on Dicamba Plus Glyphosate Deposition, Coverage, and Efficacy in Dicamba-Resistant Soybean
Kramer, M. D. & Legleiter, T. R., Jun 2 2022, In: Frontiers in Agronomy. 4, 903669.Research output: Contribution to journal › Article › peer-review
Effects of herbicide management practices on the weed density and richness in 2,4-D-resistant cropping systems in Indiana
Hodgskiss, C. L., Legleiter, T. R., Young, B. G. & Johnson, W. G., Feb 27 2022, In: Weed Technology. 36, 1, p. 130-136 7 p.Research output: Contribution to journal › Article › peer-review
Effects of herbicide management practices on the weed density and richness in dicamba-resistant cropping systems in Indiana
Hodgskiss, C. L., Legleiter, T. R., Young, B. G. & Johnson, W. G., Jan 2021, In: Weed Science. 69, 1, p. 88-94 7 p.Research output: Contribution to journal › Article › peer-review
Influence of broadcast spray nozzle on the deposition, absorption, and efficacy of dicamba plus glyphosate on four glyphosate-resistant dicot weed species
Legleiter, T. R., Young, B. G. & Johnson, W. G., Apr 2018, In: Weed Technology. 32, 2, p. 174-181 8 p.Research output: Contribution to journal › Article › peer-review
Impact of fluopyram fungicide and preemergence herbicides on soybean injury, population, sudden death syndrome, and yield
Kandel, Y. R., Mueller, D. S., Legleiter, T., Johnson, W. G., Young, B. G. & Wise, K. A., Apr 2018, In: Crop Protection. 106, p. 103-109 7 p.Research output: Contribution to journal › Article › peer-review
Glyphosate-resistant waterhemp (amaranthus rudis) control and economic returns with herbicide programs in soybean
Legleiter, T. R., Bradley, K. W. & Massey, R. E., Jan 2009, In: Weed Technology. 23, 1, p. 54-61 8 p.Research output: Contribution to journal › Article › peer-review
Herbicide coverage in narrow row soybean as influenced by spray nozzle design and carrier volume
Legleiter, T. R. & Johnson, W. G., May 1 2016, In: Crop Protection. 83, p. 1-8 8 p.Research output: Contribution to journal › Article › peer-review
Glyphosate and multiple herbicide resistance in common waterhemp (Amaranthus rudis) populations from Missouri
Legleiter, T. R. & Bradley, K. W., Jul 2008, In: Weed Science. 56, 4, p. 582-587 6 p.Research output: Contribution to journal › Article › peer-review
Glyphosate plus 2,4-D deposition, absorption, and efficacy on glyphosate-resistant weed species as influenced by broadcast spray nozzle
Legleiter, T. R., Young, B. G. & Johnson, W. G., Apr 2018, In: Weed Technology. 32, 2, p. 141-149 9 p.Research output: Contribution to journal › Article › peer-review
Evaluation of herbicide programs for the management of glyphosate-resistant waterhemp (Amaranthus rudis) in Maize
Legleiter, T. R. & Bradley, K. W., Nov 2009, In: Crop Protection. 28, 11, p. 917-922 6 p.Research output: Contribution to journal › Article › peer-review
Weed Management Challenges for Sustainability and BMPs in Soybean (FY25)
Legleiter, T. (PI)
10/1/24 → 9/30/25
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Second Scope for Specialty Crops
Gauthier, N. (PI), Beale, J. (CoI), Bessin, R. (CoI), Legleiter, T. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Scope for Plant Disease Diagnostic Lab (PDDL)
Beale, J. (PI), Bessin, R. (CoI), Gauthier, N. (CoI), Legleiter, T. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Scope for Pesticide Safety Education Program (PSEP)
Bessin, R. (PI), Beale, J. (CoI), Gauthier, N. (CoI), Legleiter, T. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Scope for Specialty Crops
Gauthier, N. (PI), Beale, J. (CoI), Bessin, R. (CoI), Legleiter, T. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Scope for Kentucky Agricultural Training School (KATS)
Ritchey, E. (PI), Beale, J. (CoI), Bessin, R. (CoI), Gauthier, N. (CoI), Legleiter, T. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027: Scope for Grain Crops
Legleiter, T. (PI), Beale, J. (CoI), Bessin, R. (CoI), Gauthier, N. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Kentucky Extension IPM Implementation Program: 2024-2027
Bessin, R. (PI), Beale, J. (CoI), Gauthier, N. (CoI), Legleiter, T. (CoI), Ritchey, E. (CoI) & Wise, K. (CoI)
9/1/24 → 8/31/26
Project: Research project
Investigations of Ever Evolving Italian Ryegrass Control in Winter Wheat - Year 2
Legleiter, T. (PI)
Kentucky Small Grain Growers Association
9/1/24 → 12/31/25
Project: Research project
RSS-22: Sustainable Vegetation Management on Kentucky Highway Rights-of-Way
Legleiter, T. (PI) & Omielan, J. (CoI)
7/1/24 → 6/30/26
Project: Research project
Enlist E3 and Roundup Ready 2 Xtend Comparisons
Legleiter, T. (PI)
Kentucky Soybean Promotion Board
4/1/24 → 3/31/25
Project: Research project
Reducing Risk in Soybean Production by Building Sustainability in the Best Management Practices for Herbicide-Resistant Weeds (FY24)
Legleiter, T. (PI)
10/1/23 → 9/30/24
Project: Research project
Evaluation Agreement 2023-01 (Corteva - GF5223)
Legleiter, T. (PI)
Pioneer Hi Bred International Inc
4/15/23 → 12/31/24
Project: Research project