Susceptibility of Fall Armyworm Field Populations to Vip3Aa/Cry Bt Maize in a Tropical Agricultural Region
Alisson Franco T. Silva,
Luciana B. Silva,
José B. Malaquias
et al.
Abstract:Fall armyworm (FAW, Spodoptera frugiperda) is a polyphagous and migratory lepidopteran pest insect in field crops and is notoriously invasive worldwide. In large portions of the Americas, its populations are managed using transgenic maize or cotton varieties producing insecticidal proteins from Bacillus thuringiensis (Bt), primarily Vip3Aa pyramided with Cry Bt proteins. We determined the susceptibility of FAW field populations from locations pressured with such maize hybrids for over five years. We used time–… Show more
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