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Weeds put up a fight in Dakotas

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Weeds put up a fight in Dakotas


You find weeds like waterhemp or kochia in your field. You follow all procedures to spray the proper herbicides to kill them off. But what if your usual mix just doesn’t work anymore?

Group 14 resistance in these weeds is becoming more common throughout North Dakota and surrounding states, according to Joe Ikley, weed specialist at North Dakota State University Extension.

Group 14 herbicides, classified as PPO inhibitors, include aryl triazinone, diphenylether, N-phenylphthalimide, pyrimidenedione and bipyridylium chemical families.

“Recently, we have seen Group 14-resistant waterhemp in several counties in North Dakota,” Ikley says. “This is pretty important to consider for our postemergence herbicides, but also several of our preemergence herbicides that are Group 14 as well.”

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Group 14-resistant kochia has also been discovered in counties across central and western North Dakota. “With eight counties officially confirmed with resistant kochia populations, I know we’ll be adding more affected counties by the time winter ends,” Ikley says.

This concern for kochia resistant to Group 14 stretches down into central South Dakota, although no resistance has been confirmed through testing there.

As of December, eight counties in North Dakota have confirmed resistance issues. The testing found a one-hundred- to five-hundredfold reduction in sensitivity to diphenylether herbicides, he says.

“Those brand names are Flexstar, Cobra and Blazer,” he adds. “Usually, a failure in those products is what brings this to our attention, but we also see a reduced sensitivity to sulfentrazone, which is Spartan and flumioxazin, or the Valor-type products.”

NDSU Extension has also confirmed dicamba resistance in waterhemp populations on the eastern side of the state.

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Preemergents could help

Ikley says research at NDSU has offered some hope in controlling weeds such as Palmer amaranth, or pigweed, by using preemergence herbicides. “In a national study, we have been reevaluating the utility of metribuzin within soybeans,” he says. “The genesis of this trial was the fact that so many of our premix herbicides might have a full rate of a Group 14, plus a full rate of a Group 15, and then some cut rate of metribuzin for a comprehensive pre-mix.”

The trial observed higher rates of metribuzin for residual weed control in the pigweed species. Six weeks after planting, the researchers applied a preemergent of various formulas and combinations to test efficacy.

“We tested varied rates and different mixes of chemicals to find best results in soybeans,” Ikley says. “Once we added metribuzin into any of the individual herbicides, we were 78% to 96% controlled, where the products by themselves were between 15% and 75% controlled.”

From the data, the best control for waterhemp is a mix of Valor, Zidua and a half-pound of metribuzin, with 96% control achieved. “We saw great results from everything that mixed in that half-pound of metribuzin, or anything that had a three- to four-product combinations,” he said.

This trial will be repeated for the 2024 growing season, when kochia will be the “Weed of the Year,” according to Ikley. “We’ve just had enough kochia issues growing over the past several years that we expect to see it a lot more in 2024.”

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For this next year, Ikley says the best management can come from identifying resistant populations. “As we get into 2024’s burndown season and herbicide spraying, we will be able to collect some leaves for a fee and send them into the National Agricultural Genotyping Center to determine resistance,” he says.





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North Dakota

Letter: Be wary of plans for large-scale dairies in North Dakota

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Letter: Be wary of plans for large-scale dairies in North Dakota


To the editor,

There is a history of confined animal feeding operations ruining the environment in many states. The new

Riverview Dairy

operations set to enter the eastern part of North Dakota near Hillsboro and Wahpeton should be looked at through the eyes of how we want our livestock industry to expand.

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Twenty-five thousand confined dairy cows is huge. Yes, they have state of the art waste disposal systems — or do they? What about flooding? Not unheard of in the Red River Valley. Additionally, the water required for these animals may seem fine but what about in a drought? Do you want to compete for drinking water with cows? Aquifers are being depleted for ag use already.

Twenty-five thousand animals hooked up to machines. Not grazed. Not good.

Workers will be temporary and not connected to the communities. Their money will be sent out of state/country. The money from Riverview will be sent out of the state. Riverview has multiple dairies in other states. Most inputs will be bought wholesale and not locally.

Ag Commissioner Doug Goehring said this LLP can do business without the change to our corporate farming law in the last legislative session. However, they sure are being subsidized by support for infrastructure stemming from other legislation piggy backed on that change in our anti-corporate farming law. A law that was meant to support local farmers to expand by accessing capital from other sources. This dairy will finish the small dairy opportunities in North Dakota using money meant to support them.

Karen Anderson
Warwick, North Dakota

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Yankton County, SD deputies arrest South Dakota fugitive after 4-week search

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Yankton County, SD deputies arrest South Dakota fugitive after 4-week search


YANKTON COUNTY, SD (KTIV) – There’s a new development in a manhunt that started last month in South Dakota.

Authorities in Yankton County say they’ve found an Iowa man wanted for violating his parole and arrested him after a nearly four-hour standoff Monday night.

The Yankton County Sheriff’s Office says its deputies learned 48-year-old Jason Sitzman was inside a home in Lesterville, South Dakota, and went to that home trying to make contact with him.

Sitzman was wanted on warrants for violating his parole in Iowa, as well as, for failure to appear in court in Yankton County and for aggravated eluding of law enforcement.

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But, Sitzman, and another woman who was inside, refused to leave the house. That was at around 7:00pm. Around 10:45pm authorities used chemical agents inside the home to get Sitzman and the woman outside. The woman is identified as 23-year-old Kendra Kirrman.

Both were taken into custody and charged with obstructing law enforcement.

Law enforcement have been looking for Sitzman for more than a month. Back on June 19th… he reportedly fled South Dakota authorities on a motorcycle… riding into Nebraska before ditching the bike at the Chalkrock Wildlife Management Area in Cedar County. Authorities searched the area using drones and a helicopter but weren’t able to find Sitzman.



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North Dakota judge will decide whether to throw out a challenge to the state's abortion ban

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North Dakota judge will decide whether to throw out a challenge to the state's abortion ban


BISMARCK, N.D. (AP) — Attorneys argued Tuesday over whether a North Dakota judge should toss a lawsuit challenging the state’s abortion ban, with the state saying the plaintiffs’ case rests on hypotheticals, and the plaintiffs saying key issues remain to be resolved at a scheduled trial.

State District Judge Bruce Romanick said he will rule as quickly as he can, but he also asked the plaintiffs’ attorney what difference he would have at the court trial in August.

The Red River Women’s Clinic, which moved from Fargo to neighboring Moorhead, Minnesota, filed the lawsuit challenging the state’s now-repealed trigger ban soon after the fall of Roe v. Wade in 2022. The clinic was North Dakota’s sole abortion provider. In 2023, North Dakota’s Republican-controlled Legislature revised the state’s abortion laws amid the lawsuit. Soon afterward, the plaintiffs filed an amended complaint, joined by doctors in obstetrics, gynecology and maternal-fetal medicine.

North Dakota outlaws abortion as a felony crime, with exceptions to prevent the mother’s death or a “serious health risk” to her, and in cases of rape or incest up to six weeks of pregnancy.

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The plaintiffs allege the law violates the state constitution because it is unconstitutionally vague for doctors as to the exceptions, and that its health exception is too narrow.

The state wants the complaint dismissed. Special Assistant Attorney General Dan Gaustad said the plaintiffs want the law declared unconstitutional based upon hypotheticals, that the clinic now in Minnesota lacks legal standing and that a trial won’t help the judge.

“You’re not going to get any more information than what you’ve got now. It’s a legal question,” Gaustad told the judge.

The plaintiffs want the trial to proceed.

Meetra Mehdizadeh, a staff attorney with the Center for Reproductive Rights, said the trial would resolve factual disputes regarding how the law would apply in various pregnancy complications, “the extent to which the ban chills the provision of standard-of-care medical treatment,” and a necessity for exceptions for mental health and pregnancies with a fatal fetal diagnosis.

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When asked by the judge about the trial, she said hearing testimony live from experts, as compared to reading their depositions, would give him the opportunity to probe their credibility and ask his own questions to clarify issues.

In an interview, she said laws such as North Dakota’s are causing confusion and hindering doctors when patients arrive in emergency medical situations.

“Nationally, we are seeing physicians feeling like they have to delay, either to run more tests or to consult with legal teams or to wait for patients to get sicker, and so they know if the patient qualifies under the ban,” Mehdizadeh said.

In January, the judge denied the plaintiffs’ request to temporarily block part of the law so doctors could provide abortions in health-saving scenarios without the potential of prosecution.

A recent state report said abortions in North Dakota last year dropped to a nonreportable level, meaning there were fewer than six abortions performed in 2023. The state reported 840 abortions in 2021, the year before the U.S. Supreme Court’s ruling overturning Roe v. Wade.

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The court’s decision enabled states to pass abortion bans by ending the nationwide right to abortion.

Most Republican-controlled states now have bans or restrictions in place. North Dakota is one of 14 enforcing a ban on abortion at all stages of pregnancy. Meanwhile, most Democratic-controlled states have adopted measures to protect abortion access.

The issue is a major one in this year’s elections: Abortion-related ballot measures will be before voters in at least six states. Since 2022, voters in all seven states where similar questions appeared have sided with abortion rights advocates.

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Associated Press writer Geoff Mulvihill in Cherry Hill, New Jersey, contributed to this story.

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