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Article

First documentation of major Vip3Aa resistance alleles in field populations of Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) in Texas, USA.

Scientific reports - 3 Apr 2020

Yang Fei, González José C Santiago, Little Nathan, Reisig Dominic, Payne Gregory, Dos Santos Rafael Ferreira, Jurat-Fuentes Juan Luis, Kurtz Ryan, Kerns David L

Abstract excerpt

The corn earworm, Helicoverpa zea, is a major target pest of the insecticidal Vip3Aa protein used in pyramided transgenic Bt corn and cotton with Cry1 and Cry2 proteins in the U.S. The widespread resistance to Cry1 and Cry2 proteins in H. zea will challenge the long-term efficacy of Vip3Aa technology. Determining the frequency of resistant alleles to Vip3Aa in field populations of H. zea is critically important...

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PMID: 32246037
DOI: 10.1038/s41598-020-62748-8
PMCID: PMC7125131

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