April 9, 2007
Who Saw This Coming? -- Glyphosate Resistant Weeds
This is from the Union of Concerned Scientists Food and Environment news page:
Glyphosate resistance popping up in weeds
A decade after the introduction of crops genetically engineered to tolerate the herbicide glyphosate (Roundup Ready crops), farmers are noticing glyphosate-resistant weeds in their fields. At first, farmers who planted herbicide-tolerant crops were able to kill weeds with a single application of glyphosate. But now, thanks to natural selection, even after repeated applications of glyphosate, herbicide-resistant weeds keep growing. . . .
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