Report: GM Crops Increase Pesticide Use, Weed Resistance

A report on the impact of genetically modified (GM) crops after the first 13 years of commercial use in the U.S. finds that GM crops have increased overall pesticide use 318.4 million pounds compared to the amount of pesticide likely to have been applied in the absence of herbicide tolerant and Bacillus thuringiensis (Bt) seeds. The conclusions raise questions about one of ag biotech’s biggest stated environmental benefits of GM crop use: decreased pesticide use. However, industry groups say they have doubts about the quality of the report’s...

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