Unusually high levels of pink bollworm (PBW) infestation and crop damage were experienced in the fields of the dual Btgene cotton (Bollgard II®) technology, a genetically modified cotton which produces two Bt insecticides (Cry1Ac and Cry2Ab) to combat cotton bollworms, in Gujarat, Madhya Pradesh, Maharashtra, Karnataka and Andhra Pradesh during kharif season of 2015 (refs 1, 2), and in the early part of the 2016 season in Saurashtra, Gujarat and Haveri, Karnataka.
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