Update on Bt Insect Pest Resistance in Cotton and Current IPM Management Options

November 2024 | 48 min., 11 sec.
by David Kerns
Texas A&M AgriLife Extension
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Summary

​This presentation begins with a review of Bt resistance monitoring based on survey bioassays of 174 field populations with more than 267,264 insects from 2015 to 2023. Discussion then addresses the frequency of Bt-resistant alleles, factors driving Bt resistance, BT protein concentrations, managing bollworms in cotton, and ThryvOn technology for managing thrips, lygus bugs, and cotton fleahopper.

About the Presenter

David Kerns David Kerns ​is a professor in the Department of Entomology at Texas A&M University. He has an administrative role, serving as the associate department head and statewide IPM coordinator, and a research–Extension role, focusing on developing IPM programs in row crops, including cotton, corn, grain sorghum, and soybean. David received a BS degree in entomology from Texas A&M University, an MS in entomology from Oklahoma State University, and a PhD in entomology from Auburn University.​



Contact Information:
Email: dlkerns@tamu.edu

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