group 2 herbicides Archives

Herbicide combo launched against resistance in wild oats

Product features a dual mode of action with Group 1 and Group 2, meant to remove guesswork from weed control

By Robert Arnason January 19, 2025

Glacier FarmMedia – Wild oats and kochia are the most problematic weeds in Western Canada. They’re everywhere, and often come with resistance to herbicides. “The story behind wild oat being one of the biggest grassy weed issues and kochia being one of the biggest broadleaf weed issues, is generally consistent across the board for the […] Read more

Cereals Production Guide, Crops, Wheat & Chaff

Broadleaf herbicide formulations set for cereal crops

Corteva, Adama launch new combination products

By Dave Bedard May 28, 2024

A combo of Group 4 and 2 actives is Corteva Agriscience’s latest entry for spring and winter wheat and barley growers in the Prairies’ Black and Grey soil zones to use against broadleaf weeds. Extinguish XL, launched in mid-March, is billed as a “pre-formulated, all-in-one application that delivers control of tough weeds like cleavers, dandelion, […] Read more

The bronzing within the crop wasn’t occurring just in the low areas, but was happening on slopes and in higher areas of the field as well.

Canola, Crops

Crop Advisor’s Casebook: Ailing canola crop a mystery

A Crop Advisor’s Solution from the September 30, 2014 issue of Grainews

By Jason Sauchuk October 5, 2015

Last June I received a call from Bill, a grain farmer with 8,000 acres of barley, wheat and canola in Waskatenau, Alta. Bill had sprayed his canola crop with a herbicide before going away for a weekend of fishing. When he returned home, he was alarmed to see patches within the field with damaged, stunted […] Read more

Crops, Features

Practical ways to fight herbicide resistance

Do you have herbicide resistant weeds growing in your field?  

By Leeann Minogue January 14, 2015

Brian Wintonyk wants farmers to be able to identify herbicide resistant weeds in their fields and know what to do about them. Wintonyk, western crops agronomist with Dow AgroSciences Canada Inc., was on the agenda at the third annual Grain Expo, a crop production conference held in Regina in conjunction with Agribition in November. He […] Read more

Crops, Features

Avadex back in the game to fight herbicide resistant weeds

When herbicide resistant wild oats crop up on you’re farm, you may be looking backwards in time to find a solution with a different, “new” active ingredient

By Leeann Minogue November 25, 2014

The Brady Bunch. ABBA cassettes. Avadex. Things we remember fondly, but don’t really see much anymore. Right? Wrong. Avadex is back in town. In 2004, Gowan, an Arizona-based company, bought the formulation and trademarks from Monsanto. As wild oats with resistance to Group 1 and Group 2 herbicides continue to pop up across the Prairies, […] Read more

Features

Herbicide resistant weeds and pulse crops

Researchers are providing options to control the most challenging  Group 2 herbicide-resistant weeds in pea and lentil crops

By Kari Belanger February 14, 2014

The use of Group 2 herbicides for controlling broadleaf weeds in pulse crops has been widespread across the Prairies primarily due to the limited number of in-crop herbicides registered for use on pulses. As a result of the pressure placed on the weed spectrum by this reliance on Group 2 herbicides, weeds have developed resistance to […] Read more

GFM Network News

U.S. grains: Soybeans set 15-month high on U.S.-China trade deal hopes

Feed Grain Weekly: Prices to stay steady, says broker

U.S. livestock: Feeders continue to fall; live cattle level out

AgCanadaTV

AGCanadaTV: In case you missed it; your national ag news recap for Sept. 5, 2025

Cyber-Savvy Farmer