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Palmer amaranth found in another North Dakota county

The North Dakota Agriculture Department has confirmed that two plants on the side of the road in Traill County have been determined to be Palmer amaranth.

Palmer amaranth (Photo courtesy University of Minnesota)
Palmer amaranth
Courtesy / University of Minnesota
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BISMARCK, N.D. — The North Dakota Agriculture Department has confirmed that two plants on the side of the road in Traill County have been determined to be Palmer amaranth.

Palmer amaranth is a fast-growing noxious weed known to significantly hurt yields of crops. The weed is considered a major threat to cropland, with populations of the weed known to be resistant to every major category of chemical typically used on soybeans and resistant to many chemicals used on corn.

The Traill County plants were found "very close to an existing infestation just over the county line in Cass County," the department said in a statement. Though a sample of the plants was taken, "verification of the exact location by a local weed control officer was unable to be completed."

The sample was submitted for DNA analysis to the National Agricultural Genotyping Center, where it was confirmed as Palmer amaranth.

The statement from the department did not speculate on the cause of the Palmer amaranth outbreak.


“While the Traill County finding has already been quickly managed, the public is urged to contact and work with their local weed officers and other experts to identify and report any suspect plants,” Agriculture Commissioner Doug Goehring said. “Palmer amaranth may spread through multiple channels, including contaminated seed mixes; equipment and machinery; animal feed, bedding and manure; and wildlife.”

Information on noxious and invasive weeds is available at https://www.nd.gov/ndda/plant-industries/noxious-weeds .

To report a suspect plant, go to https://www.nd.gov/ndda/pa or contact your local county weed officer.

Read more about Palmer amaranth:
In Benson County, North Dakota, where Palmer amaranth was first found in 2017, Scott Knocke, North Dakota State University agricultural extension agent, continues to teach farmers how to identify and control the weed.
Speakers on Jan. 18, 2022, at the Wild World of Weeds conference at the Fargodome covered a wide range of topics, including the improper use of farm protection chemicals in urban settings and the herbicide resistance of Palmer amaranth.
According to the North Dakota Department of Agriculture, a producer noticed some suspect plants in a field while combining, and samples were submitted for DNA analysis to the National Agricultural Genotyping Center, where it was confirmed as Palmer amaranth.
North Dakota Agriculture Commissioner Doug Goehring on Nov. 3, 2021, acknowledged that the incinerator at the facility associated with ADM in Enderlin, which had been used to destroy feed products exceeding legal amounts of Palmer amaranth, was down. The weed has been a “prohibited noxious” weed in the state since Sept. 2, 2019.
Producers that have cattle that are returning back to the farm should follow a weed management plan.
North Dakota officials have told CHS Sunflower at Grandin, North Dakota, to stop shipping sunflower screenings for livestock producers in North Dakota after a Grant County rancher found his feed product had contaminated hundreds of acres with the hard-to-control Palmer amaranth weed seeds.
University of Minnesota Extension researchers are seeing signs of herbicide resistance in southern Minnesota.
“Sunflower screenings merit particular attention, as contaminated sunflower screenings have been linked to infestations in six counties in North Dakota over the last 12 months. If purchasing sunflower screenings, be sure to ask the origin of the sunflowers,” the warning said.
Weed officials believe they've found Palmer amaranth in Grant and Sioux counties, which would be the farthest west outbreak of the noxious weed in North Dakota.
A Barnes County, N.D., rancher wonders why the North Dakota Department of Agriculture couldn't stop a Fargo, N.D., source of sunflower "screenings" as a feed product when they knew it had been partially banned in Minnesota for excessive Palmer amaranth weed seeds.
Jason Bond has been battling Palmer amaranth for years. And he has this advice for Upper Midwest farmers encountering the weed for the first time. "If I was a farmer up there, and I see a small patch of Palmer amaranth coming up out of my crop, I...

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