Sunday, January 18, 2026

resistance management

Weed electrocution research sparks interest as herbicide resistance grows

Move over, herbicides. There’s a new sheriff in town. And he’s toting some powerful guns loaded with electricity to kill weeds. This shocking new method of weed control was demonstrated at the 2021 Pest Management Field Day at the University...

Anthem Flex herbicide labeled for soybeans, other legumes

Lentils, dry peas, chickpeas, soybeans and sunflowers have been added to the label for Anthem Flex herbicide from FMC. Labeled for preplant and preemergence applications in those crops, the herbicide provides strong residual control of grasses and smallseeded broadleaf weeds...

BASF, AGCO collaborate on ‘Operation Weed Eradication’

BASF and equipment manufacturer AGCO plan to join forces on BASF’s Operation Weed Eradication initiative. The collaboration will provide farmers with agronomic expertise to help promote best practices for on-farm eradication of pigweed, according to a news release. Herbicide-resistant pigweed...

BASF launches weed ‘eradication’ initiative

• By Vicky Boyd, Editor • BASF recently launched an industrywide initiative – “Operation Weed Eradication” – that challenges growers and others within agriculture to take a zero-tolerance approach to ridding fields of devastating weeds. “As an industry, we’ve talked about managing...

Reports of Palmer amaranth escapes in Xtend crops continue to mount

• By Larry Steckel • I was thinking it might be 2021 or at least 2020 before we would start getting reports of Xtend soybean fields that were wrapped up with Palmer amaranth. Wrong! It is 2019. I visited several soybean...

WSSA advocates ‘no pigweed left behind’

Waterhemp and Palmer amaranth, both members of the pigweed family, have become significant threats to crop yields and farm incomes across the Americas. In the United States, they compete with crops in the South and in parts of the...

Missouri scientists find waterhemp resistant to 6 herbicide modes of action

A group of scientists recently reported a population of waterhemp in Missouri resistant to a record-breaking six herbicide modes of action. Their findings were recently published in the Weed Science Society of America's journal, Weed Science. The authors included Lovreet...

Consider a disk if you have heavy horseweed problems

By Tom Barber • Horseweed (marestail) has always been an issue at spring burndown prior to planting. In the early 2000s, it became a much bigger problem in the Southern United States by developing resistance to glyphosate. Horseweed can germinate and grow...

K-State researchers crack pigweed resistance code

A team led by Kansas State University researchers has cracked the genetic code about how Palmer amaranth quickly grows resistant to glyphosate herbicide. The findings could have broad implications for agriculture and other industries, according to a university news release. Their...

University of Arkansas’ Jason Norsworthy honored for weed resistance work

University of Arkansas weed scientist Jason Norsworthy received the Outstanding Research Award during the recent Weed Science Society of America's Annual Meeting in Arlington, Virginia. He also was named a WSSA Fellow, the society's highest recognition. In presenting the Oustanding...

EPA clears handful of Syngenta herbicides as XtendiMax, Engenia tankmix partners

The Environmental Protection Agency has approved a handful of herbicides from Syngenta as tankmix partners for two of the three new dicamba formulations — XtendiMax with VaporGrip Technology and Engenia. Once posted on www.XtendiMaxApplicationRequirements.com and www.EngeniaTankMix.com, the tankmix partners will be...

Rotating herbicide modes won’t stop resistance in waterhemp, says study

Rotating herbicide modes of action has been touted as a way to slow the development of resistance in weeds. But a recent study from the University of Illinois explains why rotation doesn't work. “If you were to ask farmers what...

Don’t let up scouting for redbanded stink bugs

Mid-South soybean producers are encouraged to continue scouting their fields closely for redbanded stink bugs, a pest that can do more severe damage and do it longer into the season than other stink bug species. The warning came from entomologists...

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