Infestations of Palmer amaranth beginning to show up in Iowa

Palmer amaranth infestations were found in Iowa late in 2013. Infestations have been found in five Iowa counties, but we suspect there are more unknown infestations than known.

Virgil Schmitt, Iowa State Uni­­versity (ISU) Extension and Outreach field agronomist, and I visited an infestation in Muscatine County on May 9....

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