Severe pink bollworm infestation has swept through the cotton-growing states of India due to evolved resistance to GM Bt cotton, which covers 90% of Indian cotton land. […]
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Cotton farmers across Texas are expected to face a growing bollworm problem this season with up to 40% crop losses reported last year due to increasing resistance of the bollworm to Bt cotton and Bt corn being grown in the southern states of the US. […] A study analyzing global patterns of field-evolved resistance to Bt crops over the last two decades has found that the number of cases of pest resistance to Bt proteins increased from 3 in 2005 to 16 in 2016. […] A report explores the rise and fall of GM cotton in India as more Indian farmers return to organic cotton. Worldwide, GM cotton farmers are struggling with increased pesticide use to deal with the emergence of pest resistance and secondary pests. […] A peer-reviewed analysis comparing GMO and natural Bt proteins has found clear differences between the two, and that the process of inserting Bt toxins into crops causes them to be more toxic and active against many more species. […] In an unprecedented move, DuPont Pioneer has changed its marketing language to state that Cry1F, the Herculex I Bt trait, no longer protects corn against the western bean cutworm. Dow AgroSciences is following suit. […] Bt cotton is being field-trialled in Swaziland in spite of its poor performance in Burkino Faso and South Africa. Civil society is calling for a return to ecological cotton production which is proving successful in West Africa. […] This study appraises farmers’ practices, performance and opinions 15 years after the commercial release of Bt cotton in northern China. It finds that farmers are discontented with their low returns and struggling with secondary pests. […] After 15 years of cultivation, India’s foray into Bt cotton holds clear precautionary lessons relating to GE crops, and highlights the need to protect and conserve traditional crop varieties. […] While Bt cotton cultivation may have educed the quantity of highly toxic pesticides used in India, the continued use of pesticides on Bt cotton farms still poses significant health risks to farm workers. […] |
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