Two new cases of Palmer amaranth have been confirmed in Grant and Sioux Counties in North Dakota. The noxious weed was found on two cattle operations. In Grant County, Palmer was confirmed in two pastures, along with a millet field and near two feed piles. In Sioux County, there was confirmed Palmer amaranth near cattle feed piles and pigweed cotyledons found in manure that had been spread on a field. According to NDSU Extension, the Palmer amaranth is likely from contaminated feed; sunflower screenings. Both counties have previously had confirmed cases of Palmer amaranth, but not on these farms.
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