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Tag Archives: herbicide

Weed Management: Try A Seldom-Used Mode of Action

palmer pigweed seeds

Weeds are the bane of most growers’ existence. In a growing class of “superweeds,” Palmer amaranth continues to frustrate farmers with its dogged resistance to commonly used herbicides. Research has shown that left unchecked Palmer amaranth can reduce corn yield by 91%. Different chemistries have been brought to market and enjoyed some control against the weed, yet many are no ... Read More »

EPA registers new Helm Agro herbicide premix

palmer pigweed

Helm Agro US Inc. has received federal registration from the U.S. Environmental Protection Agency for Katagon, an HPPD premix herbicide for psotemergence use in field corn. It contains two modes of action — tolpyralate and nicosulfuron — with the added benefits of a low use-rate formulation, crop safety profile and a wide application window. When used as a tankmix with ... Read More »

Gowan acquires two corn herbicides from Syngenta

Gowan Co. LLC has entered into agreements with Syngenta to acquire rights to the active ingredients, prosulfuron and primisulfuron. The acquisition includes product registrations and trademarks for Peak, Spirit, Beacon and Northstar herbicides and related intellectual property and labels, according to a news release. The transaction closed Dec. 15, although Syngenta and Gowan will work together over the next several ... Read More »

Researchers look at yield impact of early season weeds

early season weeds

As the 2020 corn-growing season draws to a close, Syngenta engaged university agricultural researchers from across the United States to analyze the agronomic challenges farmers encountered this season and offer tips on how they can best control weeds and preserve yields heading into 2021. Although weed pressures vary by geography, weed management fundamentals remain consistent throughout the United States. Researchers ... Read More »

EPA approves non-selective herbicide, desiccant from Helm Agro

helm logo

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 belongs to the chemical family, Pyrimidinedione, a Group 14. In more than 700 North American product development trials and regulatory ... Read More »

Glyphosate-resistant Italian ryegrass management: Now is the time!

ryegrass

• By Daniel Stephenson and Josh Copes • Glyphosate-resistant Italian ryegrass has been an issue in the mid-South for the past 10 to 15 years. In Louisiana, growers have been battling this pest for five to 10 years, and the problem is spreading each year. Louisiana does not have ryegrass issues like Mississippi, but if control strategies are not implemented, ... Read More »

EPA approves post-emerge herbicide from Belchim USA

The U.S. Environmental Protection Agency has registered Tough 5EC Herbicide from Belchim USA to control boardleaf weeds in corn, mint and chickpeas. It is labeled for a number of breadleaf weeds, including Palmer amaranth, common waterhemp, kochia, common lambsquarters, black nightshade and marestail, including herbicide-resistant strains, according to a news release. A post-emerge, Tough 5EC contains the active ingredient, pyridate, ... Read More »

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 for a variety of primary herbicides used in the U.S. agricultural market. They are particularly valuable for enhancing weed ... Read More »