Post

Arkansas weed specialist speaks from experience

The prevailing opinion is that Iowa may be only a couple of years behind Arkansas in glyphosate resistant weeds. University of Arkansas weed science associate professor Jason Norsworthy was in Iowa giving a warning of sorts. Norsworthy sees plenty of water hemp where he’s from. Unfortunately, there’s plenty of it that escapes the efficacy of the herbicide glyphosate; more than last year; less than is expected next year. That resistance to glyphosate is creeping northward and Norsworthy says it’s worthwhile for growers, no matter where they are, to consider rotating chemistry and herbicide technology. He says where he’s from, there’s even more mechanical weed control, in other words, cultivation.

AUDIO: Jason Norsworthy (3 min. MP3)

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