CROPS NEWS
Weeds to Watch - 1
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Wed Feb 19, 2014 06:58 AM CST

The waterhemp seedlings germinating in the University of Missouri greenhouse don't carry a kryptonite gene.

They just act as if they do. Glyphosate, once the world's most popular weed killer, now rolls off some of these plants like water.

Kevin Bradley, a University of Missouri weed specialist, and his graduate students pulled 200 waterhemp samples from weed populations growing in Missouri soybean fields in 2012. The scientists grew the progeny out in the greenhouse during the spring and summer of 2013.

"We wanted to see if the multiple-herbicide resistance in waterhemp being found in other states was true for Missouri," ...

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