|Northeast Research Station|
|4589 Hwy. 605
St. Joseph, LA 71366
Ph.D. Agronomy/Weed Science, Louisiana State University, 2016
M.S. Entomology, Louisiana State University, 2010
B.S. Agribusiness, University of Louisiana at Monroe, 2007
2016-Present - Assistant Professor Field Crop Management and Agronomic Systems, Northeast Research Station, (60% extension and 40% research).
2014-2016 - Research Associate Northeast Research Station
2010-2016 - Graduate Research Assistant, School of Plant, Environmental, and Soil Sciences at Louisiana State University
2007-2010 - Graduate Research Assistant, Department of Entomology Louisiana State University
2008-present - Licensed Independent Crop Consultant
Entomological Society of America
Weed Science Society of America
Southern Weed Science Society of America
American Society of Agronomy
Crop Science Society of America
Soil Science Society of America
Southern Regional Branch, American Society of Agronomy
National Association County Agricultural Agents
Louisiana Agriculture Consultants Association
Vice Chair, Applied Soybean Research Community, American Society of Agronomy for 2018.
Judge for graduate student poster contest Southern Regional Branch, American Society of Agronomy February 2017.
Area extension agronomist and weed scientist. Crop responsibilities include all major row crops.
Site coordinator for cotton, corn, grain sorghum, and soybean at the Northeast Research Station, and site coordinator for cotton and soybean at the Macon Ridge Research Station
Research interests include:
K. A. Parys, R. G. Luttrell, G. L. Snodgrass, M. Portilla, and J. T. Copes. 2017. Longitudinal Measurements of Tarnished Plant Bug (Hemiptera: Miridae) Susceptibility to Insecticides in Arkansas, Louisiana and Mississippi: Associations with Insecticide Use and Insect Control Recommendations. In Press. Insects.
Proceedings and Published Abstracts:
Copes, J.T., G. Snodgrass, R.D. Bagwell, J.W. Sharp. 2008. Quantifying tarnished plant bug resistance to acephate in Louisiana. Proc. Beltwide Cotton Conf. p. 1095 – 1099.
Sharp, J.W., J.T. Copes, and R.D. Bagwell. 2007. Impact of tarnished plant bug populations on blooming Louisiana cotton during 2007. Proc. World Cotton Research Conference. In Press.
Godara, R.K., J.T. Copes, and B.J. Williams. 2012. Efficacy of post rice herbicides on Texasweed (Caperonia palustris) is affected by flood depth. Proc. South. Weed Sci. Soc. 65:65.
Copes, J.T., R.K. Godara, B.J. Williams, and S. Laird. 2012. Strategies for incorporating residual herbicides into soybean weed management programs. Proc. South. Weed Sci. Soc. 65:75.
Copes, J.T., R.K. Godara, J.L. Griffin, and D.K. Miller. 2014.Soybean herbicide programs for prickly sida control.Proc. South. Weed Sci. Soc. 67:114.
Copes, J.T., D.O. Stephenson, J.A. Bond, R.L. Landry, B.C. Woolam, and J.L. Griffin. 2013. Influence of 2,4-D application on corn growth and yield.Proc. South. Weed Sci. Soc. 66:164.
J.T. Copes, R.K. Godara, J.L. Griffin, and D.K. Miller. 2014. Soybean herbicide programs for prickly sida control. Proc. South. Weed Sci. Soc. 67:114.
J.T. Copes, D.K. Miller, T.M. Batts, M.M. Mathews, and J.L. Griffin. 2015. ALS Resistant Italian ryegrass control in winter wheat. Proc. South. Weed Sci. Soc. Volume 68.
Mascagni, R., and J. Copes. Feasibility of Grain Sorghum Ratoon Cropping in Northeast Louisiana. ASA-CSSA-SSSA International Annual Meeting. November 6-9, 2016, Phoenix, AZ.
Mascagni, R., and J. Copes. Influence of Hybrid, Seeding Rate, Nitrogen Fertilizer, on Yield Performance of two Corn Hybrids Differing in Ear Flex on Mississippi River Alluvial Soils. ASA-CSSA-SSSA International Annual Meeting. November 6-9, 2016, Phoenix, AZ.
Stamper L., J. Copes, K.M. Tolson. Cowpea (Vigna unguiculata [L.] Walp.) Biomass Response to Seeding Rate, Planting Date, and Herbicide Intensity Level – Project Design. Southern Deer Study Group Annual Meeting. February 19-21, 2018. Nashville, TN.
Articles and Information:
Copes, J.T., G. Snodgrass, J. Sharp, B.R. Leonard, D. Ring, and D.C. Blouin. 2010. Acephate resistance widespread in Louisiana tarnished plant bug populations. Louisiana Agriculture Magazine Summer 2010.
Spivey, T., J. Copes, S. Brown, D. Stephenson, and D. Miller. 2017. Timing is important when using harvest aids in soybean. Louisiana Crops Newsletter. Vol. 7(8).
Spivey, T., S. Brown, J. Copes, D. Miller, and B. Padgett. 2017. Use of Harvest Aids in Louisiana Soybeans. Louisiana Crops Blog. August 18, 2017.
Copes, J., D. Stephenson, D. Miller, and L. Lazaro. 2017. Weeds: Problematic Year-round. Louisiana Crops Blog. October 2, 2017.
Stephenson, D., and J. Copes. 2017. Mitigating and/or Managing Herbicide-Resistant Weeds. Louisiana Crops Newsletter. Vol. 7(2).
Stephenson, D., and J. Copes. 2017. Getting ready to plant- Burndown considerations. Louisiana Crops Newsletter. Vol. 7(2).
Copes, J., D. Stephenson, and D. Miller. 2016. Assessment of Weed Control Programs and Post-harvest Weed Control in Problem Fields. Louisiana Crops Newsletter. Vol. 6(8).
Copes, J., and D. Stephenson. 2017. Evaluating Pre- and Post-Harvest Field Management Strategies and Their Utility in Corn, Grain Sorghum, and Soybean Production Systems in Louisiana. Louisiana Soybean and Grain Research and Promotion Board. Funded. (PI $22,900)
Copes, J. and D. Miller. 2017. Evaluating Late Season Soybean Losses in Louisiana Soybean Production Systems. Louisiana Soybean and Grain Research and Promotion Board. Funded. (PI $37,709).
Copes, J. and D. Miller. 2017. Enhanced Efficiency Nitrogen Fertilizers (EENF) under simulated heavy rainfall conditions. Funded. (PI $8,000).
Orlowski, J., B. Golden, T. Irby, L. Falconer, J. Ross, T. Miller, G. Davish, and J. Copes. 2017. Effects of the Introduction of Feed Grains into Mid-South Soybean Production Systems. Funded. $250,969 (Co-PI $20,800).
Copes, J. 2017. Monsanto Company. Unrestricted gift. $17,000
Copes, J. 2017. BASF. Unrestricted gift. $3,500
Copes, J. 2017. Bayer Crop Science. Unrestricted gift. $4,000
Copes, J. 2017. Dow AgroSciences. Unrestricted gift. $1,400
Copes, J. 2017. Syngenta. Unrestricted gift. $1,000
Mr. Luke Stamper, Ongoing, Committee
Mr. Justin Dufour, Ongoing, Committee