Weed Watch - 1
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Thu Sep 5, 2013 07:08 AM CDT

DECATUR, Ill. (DTN) -- Midwest corn and soybean fields got ugly this summer. Marestail, waterhemp, Palmer amaranth and giant ragweed wreaked havoc across America's croplands. Some old challengers also returned -- velvetleaf, milkweed, morningglory and even the prickly old cocklebur.

Southern Illinois University weed scientist Bryan Young got something this summer he never expected. "I had a grower call to say that he'd applied a full rate of a residual herbicide and had waterhemp come through it. He followed up with glyphosate and FlexStar and the waterhemp was hardly fazed. A second shot of glyphosate and Cobra failed as well.


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