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Nature Biotechnology 25, 367 (1 April 2007) | doi:10.1038/nbt0407-367

US courts thwart GM alfalfa and turf grass

Jeffrey L. Fox

US District Court Judge Charles Breyer in San Francisco on March 12th imposed a preliminary injunction, in effect revoking the 2005 approval by the US Department of Agriculture (USDA) of a genetically modified (GM)—specifically, Roundup Ready—version of alfalfa. Thus, he told US farmers that they could no longer buy or plant seeds for this crop after March 30th, at least pending another hearing set for late in April.