8 Most Genetically Modified Crops (Slideshow)

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Alfalfa

In 2011, the unrestricted commercial cultivation of modified alfalfa was announced by Agriculture Secretary Tom Vilsack. Alfalfa, mainly grown to feed dairy cows and horses, was developed in genetically engineered form by Monsanto and Forage Genetics, an alfalfa seed company owned by Land O’Lakes. The plant was engineered to resist contamination of the herbicide Roundup (produced by, er, Monsanto) and is reportedly the nation’s fourth largest crop by acreage. Today only about one percent of alfalfa is organic.