Scientists fight 'super weeds' with sustainability
Tuesday, October 23, 2012 - 06:31
in Biology & Nature
(Phys.org)—Across the United States, fields of genetically engineered crops have become laboratories for the evolution of glyphosate-resistant (GR) weeds. These fast-growing "super weeds"—resistant to the highly effective herbicide glyphosate—are cutting crop yields and raising costs for farmers, whose only recourse is to spray more and different chemicals.