Mexico approves rules to begin planting GM corn
By Mica Rosenberg

MEXICO CITY (Reuters) - Mexico, widely thought to be the birthplace of corn, said on Wednesday it will begin allowing experimental planting of genetically modified crops, despite resistance from some farmers who question their safety.

The regulations published in the official gazette are the last step needed to implement a law passed by Mexico's Congress in December 2004 that authorizes controlled GMO plantings.

Supporters of GMO foods, whose DNA is altered to be resistant to pests, say they are a way to boost world food supplies. But farmers in Mexico's rural south, where corn has been grown for thousands of years, worry GM corn will cross-pollinate with native species and alter their genetic content.

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