D0421 Monitoring Helicoverpa zea populations for susceptibility to Bt toxins

Wednesday, November 19, 2008
Exhibit Hall 3, First Floor (Reno-Sparks Convention Center)
M. Ibrahim Ali , Department of Entomology, University of Arkansas, Fayetteville, AR
R. G. Luttrell , University of Arkansas, Fayetteville, AR
We have monitored field populations of Helicoverpa zea for resistance to Cry1Ac, Cry2Ab2, Cry1Fa and Vip3a since 2006. Prior to 2006, we worked to establish baseline levels of susceptibility for these Bt toxins expressed in Bt cottons. Preliminary results of 2008 studies are presented in comparison to those of 2006 and 2007.

doi: 10.1603/ICE.2016.38812