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Traits in Agriculture » Pest Resistance

  Posting date: August 23, 2018
Questionable Claims of Bt Efficacy Against the Fall Armyworm in Africa
Questions arise over claims made by the Water Efficient Maize for Africa Project that Bt maize is a solution to combat the fall armyworm pest. Instead, African governments are called to implement sustainable agroecological strategies to deal with the pest
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  Posting date: June 08, 2018
Monsanto Puts Off Introduction of Second Generation Bt Soybean in the US
Monsanto has indefinitely cancelled its plans to introduce Intacta 2 Xtend, its second generation Bt soybean, in the U.S., most likely due to indications of insect resistance to the Bt proteins in the new product.
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  Posting date: June 06, 2018
Pink Bollworm Resistance to Bt Cotton in India
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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  Posting date: May 30, 2018
Increasing Bollworm Resistance Found in Bt Cotton Belt of Texas
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.
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  Posting date: December 18, 2017
Cases of Pest Resistance to Bt Crops Increased Five-fold From 2005-2016
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.
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  Posting date: November 23, 2017
The Fall of GM Cotton in India
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.
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  Posting date: November 16, 2017
Bt Toxins in GM Crops More Toxic Than Natural Bt Toxins
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.
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  Posting date: November 06, 2017
Companies Admit Failure of Cry1F (Bt) Gene to Control the Western Bean Cutworm
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.
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  Posting date: August 10, 2017
Bt Cotton Being Field-Trialled in Swaziland Despite Poor Performance in Africa
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.
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  Posting date: August 08, 2017
Chinese Farmers Discontented with Bt Cotton After 15 Years
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.
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