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Detection of Cry2Ab2 resistance alleles in field populations of Ostrinia nubilalis (Lepidoptera: Crambidae) from Minnesota and Wisconsin via F2 screens.

Journal of economic entomology - 1 Aug 2026

Dwyer Tatum, Head Graham P, Hamilton Krista L, Peltier Angie, Yang Fei

Abstract excerpt

The European corn borer, Ostrinia nubilalis (Hübner), is an economically important pest of corn that historically caused over $1 billion annually in yield losses and control costs. Since 1996, widespread adoption of transgenic corn producing Bacillus thuringiensis (Bt) proteins has substantially suppressed O. nubilalis populations in the US Corn Belt. However, recent cases of practical resistance reported in Nova...

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PMID: 42243632
DOI: 10.1093/jee/toag153

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F2

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