Sunday, January 18, 2026

herbicide

Start planning for herbicide shortages

• By Larry Steckel • Retailers and basic suppliers are all concerned about herbicide shortages in 2022. We all can recall similar concerns this past spring. In most cases applicators were able to get what they needed. However, this spring retailers...

MU research looks at non-chemical technology to kill weeds

If it’s a weed, spray it. That’s the mindset that most in the agriculture industry held for years. That thinking no longer works as more weeds become resistant to herbicides, says Kevin Bradley, University of Missouri Extension weed scientist. Bradley uses...

2021 UArk metribuzin ratings for soybean varieties

• By Jeremy Ross • Every year, varieties entered into the University of Arkansas System Division of Agriculture’s Soybean Performance Trials are screened for tolerance to metribuzin. Metribuzin (Tricor, Canopy, etc.) is a PSII inhibitor (Group 5) herbicide that provides residual...

EPA approves non-selective herbicide, desiccant from Helm Agro

The Environmental Protection Agency has registered Reviton herbicide from Helm Agro US Inc. for use as a desiccant and non-selective preplant burndown in field corn, cotton, soybeans and wheat. A PPO-inhibitor herbicide, it contains the branded active ingredient, Tergeo. It...

Corteva launches Kyber, a 3-way herbicide premix

Corteva Agriscience recently launched Kyber herbicide, a three-way liquid premix for soybeans, for the 2021 season. The preemergence soybean herbicide has three effective modes of action: metribuzin, a Weed Science Society of America Group 5; flumioxazin, a Group 14;...

Nufarm launches Pather MTZ premix

Nufarm Americas Inc. has launched Panther MTZ herbicide, the latest in the Panther family of herbicide formulations. It contains a premix of metribuzin, a Weed Science Society of America Group 5, and flumioxazin, a Group 14. Together, they provide a...

Failed cotton stand…can I replant to soybeans?

• Dr. Charlie Cahoon Jr. and Wesley Everman • Unfortunately, last week’s rain proved too much for many North Carolina cotton fields. For those pondering their replant options, here are some points to consider: 1. Regardless of replant crop, you must...

UT research finds why junglerice escapes control in Xtend fields

• By Larry Steckel and Clay Perkins • The results of some University of Tennessee Extension studies to determine why junglerice has become a major weed pest in Tennessee Xtend cotton and soybean acres have provided some insights. This research...

EPA approves label changes for Cheetah Herbicide

The Environmental Protection Agency has approved label changes to Chetah Herbicide from Nufarm Americas Inc. that allows postemergence use on glufosinate-tolerant crops, including soybeans, cotton, corn and canola. “The new language provides clarity around the use of Cheetah in all...

EPA registers HPPD herbicide for use with LibertyLink GT27 soybeans

The U.S. Environmental Protection Agency has registered Alite 27 herbicide, the only HPPD herbicide that can be used on LibertyLink GT27 soybeans. The registration is for use in select counties across Indiana, Kansas, Kentucky, Missouri, Ohio, South Dakota and Tennessee,...

Bayer announces new post-emerge herbicide MOA in early development

Bayer has announced a herbicide molecule in Phase 2 of early development that has demonstrated effective control of key resistant grasses in research trials, according to a company news release. The announcement comes at a time when an increasing number...

Amvac acquires 4 herbicides from Corteva

American Vanguard Corp. has acquired four herbicide brands from Corteva Agriscience. They are Classic, First Rate, Hornet and Python WDG. The transaction includes acquisition of end-use registrations, commercial sales and marketing information, and finished goods inventory. The products are tankmix partners...

New paraquat handling, training requirements take effect

 • By Jason Bond and Ben Lawrence • The Environmental Protection Agency mandated manufacturers to update their paraquat labels by Nov. 14 with new safety, handling and training requirements. Key Points to Remember: • Purchasers, applicators, mixers, loaders, or tank cleaners of...

Soybean varieties differ in tolerance to Sharpen herbicide, says study

Soybean varieties differ with respect to levels of tolerance or sensitivity to saflufenacil. Alabama Extension specialists have researched and recorded soybean varietal responses to saflufenacil applications for the past two years, in hopes of helping producers make informed decisions...

EPA OKs new Fierce formulation from Valent USA

After receiving recent U.S. Environmental Protection Agency approval, Valent U.S.A. recently launched Fierce MTZ Herbicide as a stand-alone liquid formulation. The Walnut Creek, California-based registrant plans to launch the premix of Fierce Herbicide and metribuzin for the 2019 growing season,...

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