Article
Using an F(2) screen to monitor frequency of resistance alleles to Bt cotton in field populations of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae).
Pest management science - 1 Apr 2009
Xu Zhiping, Liu Fengyi, Chen Jin, Huang Fangneng, Andow David A, Wang Yanhua, Zhu Yu Cheng, Shen Jinliang
Abstract excerpt
BACKGROUND: In an effort to control the most devastating cotton pest, Helicoverpa armigera (Hübner), in Qiuxian County (Hebei, China), Bt cotton has been planted almost exclusively since 1998 in this area. Owing to the high insecticidal selection pressures in this region, monitoring of Bt resistance in H. armigera is necessary so that proactive actions can be implemented before field control measures fail. From...
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