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Preventing Palmer amaranth in Minnesota

Palmer amaranth
Photo 1: Palmer amaranth in a Tennessee field. Photo: Lisa Behnken.

In September 2016, Palmer amaranth (Amaranthus palmeri) was initially discovered and confirmed in Minnesota. Efforts to eradicate this weed are critical to Minnesota’s commodity crop producers.

Palmer amaranth is on the Minnesota Noxious Weed List as an “Eradicate” weed. This legal status means the plant must be destroyed and that no transportation, propagation or sale of this plant species is allowed.

Report possible infestations to the Minnesota Department of Agriculture (MDA) at 1-888-545-6684 or arrest.the.pest@state.mn.us.

MDA information: Palmer amaranth in Minnesota

Handling Palmer amaranth

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Jeff Gunsolus, Extension weed scientist;  Lisa Behnken, Extension educator; Fritz Breitenbach, former Extension integrated pest management specialist; Phyllis Bongard, Extension communications specialist and Lizabeth Stahl, Extension educator.

Reviewed in 2018

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