Meet the Weeds That Monsanto Can’t Beat

When Monsanto revolutionized agriculture with a line of genetically engineered seeds, the promise was that the technology would lower herbicide use—because farmers would have to spray less. In fact, as Washington State University researcher Chuch Benbrook has shown, just the opposite happened.

Sixteen years on, Roundup (Monsanto’s tradename for its glyphosate herbicide) has certainly killed lots of weeds. But the ones it has left standing are about as resistant to herbicide as the company’s Roundup Ready crops, which are designed to survive repeated applications of the agribusiness giant’s own Roundup herbicide.

For just one example, turn to Mississippi, where cotton, corn, and soy farmers have been using Roundup Ready seeds for years—and are now struggling to contain a new generation of super weeds, including a scourge of Italian ryegrass.

“Fight resistant weeds with fall, spring attack,” declares a headline in Delta Farm Press, a farming trade magazine serving the Mississippi River Delta. The article’s author, a Mississippi State University employee, lays out the challenge:

Meet the Weeds That Monsanto Can’t Beat [continued]

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