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Growing Roundup-resistant weed problem must be dealt with, expert says

Posted: September 10, 2010

When Penn State weed scientist David Mortensen told members of the U.S. House Oversight Committee this summer that the government should restrict the use of herbicide-tolerant crops and impose a tax on biotech seeds to fund research and educational programs for farmers, it caused quite a stir.

The growing problem with weeds that have become resistant to the most common herbicide used by American corn, soybean and cotton farmers has gotten so serious that new strategies are needed to combat them, he contended.

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