Allozyme polymorphism in the cotton bollworm Helicoverpa armigera (Lepidoptera: Noctuidae): comparison of African and European populations

Regional reversion of insecticide resist

Regional reversion of insecticide resistance in Helicoverpa armigera (Lepidoptera: Noctuidae) is associated with the use of Bt cotton in northern China

✍ Dr Kongming Wu; Wei Mu; Gemei Liang; Yuyuan Guo 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 122 KB

## Abstract A continuous programme for monitoring resistance of __Helicoverpa armigera__ (Hübner) to commonly used insecticides was undertaken for assessing the impact of Bt cotton planting on the evolution of the pest resistance from 1994 to 2002 in China. The bioassay results showed that the resi