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Subjects genotype Remove constraint genotype: genotype Subjects alleles Remove constraint alleles: alleles Subjects transgenic plants Remove constraint transgenic plants: transgenic plants

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1. A modified F1 screening method for detecting resistance gene alleles to Bt cotton in Helicoverpa armigera (Lepidoptera: Noctuidae)

Description:: Includes references
Author:: Zhu, Y.C. , Liu, F. , Xu, Z. , Chang, J. , Abel, C.A. , Shen, J.
Subject:: Helicoverpa armigera , Gossypium hirsutum , cotton , transgenic plants , Bacillus thuringiensis , genetic resistance , alleles , genotype , screening , progeny , larvae , insect growth , body weight , mortality , resistance management
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

2. Using an F₂ screen to monitor frequency of resistance alleles to Bt cotton in field populations of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae)

Description:: Includes references
Author:: Xu, Zhiping , Liu, Fengyi , Chen, Jin , Huang, Fangneng , Andow, David A. , Wang, Yanhua , Zhu, Yu Cheng , Shen, Jinliang
Subject:: Gossypium hirsutum , cotton , Helicoverpa armigera , insect pests , transgenic plants , plant-incorporated protectants , insect control , Bacillus thuringiensis , insecticidal proteins , insecticide resistance , pest monitoring , frequency , genotype , alleles , genetic variation , resistance management , China
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009