The popular burndown herbicides Aim and Sharpen are no longer effective in controlling some populations of Kochia in western North Dakota according to a North Dakota State University study. NDSU Weed Scientist Brian Jenks says, “we don’t have many options to begin with and now if some farmers can’t use Aim and Sharpen, they’re really limited on what they can use.” Herbicide resistant Kochia is in other parts of the country already, and is primarily a no-till issue. “It will become a problem for anyone that’s using these products.” said Jenks.
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