Insights and Stories on Herbicide Resistance

AgGronomyTV: Managing invasive weeds in Manitoba

Apr. 15, 2025 at 11:47 am CDT

Waterhemp is in Manitoba and management will be key to ensure its spread can be kept to an absolute minimum. How might that look? Planting crops that can better compete against this invasive weed and more targeted herbicide applications. In part 2 from St. Jean Farm Days earlier this year, […]

AgGronomyTV: Weed control ‘wins’ and concerns for growers

Apr. 1, 2025 at 10:46 am CDT

Bayer looks to AI to combat herbicide resistance faster

Jun. 19, 2024 at 10:10 am CDT

By Renee Hickman Reuters

Crop-killing weeds advance across US farmland as chemicals lose effectiveness

Jan. 16, 2024 at 9:58 am CST

By Reuters Rod Nickel Tom Polansek

Palmer amaranth pops back up in Ontario

Aug. 28, 2023 at 8:43 pm CDT

By Dave Bedard

At Ag in Motion: Herbicide resistance fight needs integrated seed management

Jul. 20, 2023 at 5:18 pm CDT

Harvest weed-seed control takes aim at reducing herbicide-resistant weeds that western Canadian farmers find more and more every year. At the Ag in Motion outdoor farm show this week, field residue management manufacturer Redekop won the Innovations Award for Environmental Sustainability for its harvest Seed Control Unit, which destroys more […]

By Braedyn Wozniak

At Ag in Motion: Harvest weed control still in the mix

Jul. 18, 2023 at 5:39 pm CDT

It’s a relatively new solution to the age-old problem of trying to get rid of weeds without broadcasting the seed or using increasingly less effective herbicides — mechanical separation and pulverization of weed seed. Harvest weed seed control might not be a golden bullet to tackle glyphosate-, fluroxypyr- and dicamba-resistant […]

By Alex McCuaig

Group 27 herbicide resistance arrives in Canada

Dec. 10, 2020 at 2:11 pm CST

A persistent and fiercely competitive weed that has developed resistance to several herbicide groups since its arrival in Canada is now the first in the country to fight off a Group 27 product. Quebec’s Reseau d’avertissement phytosanitaire (RAP) last Friday reported a patch of waterhemp with resistance to mesotrione herbicide […]

By Dave Bedard

Minnesota probes Palmer amaranth’s sudden appearance

Feb. 8, 2017 at 3:36 pm CST

Chicago | Reuters — Minnesota has launched an investigation to find the source of seed mixes contaminated with weed seeds after the aggressive, herbicide-resistant Palmer amaranth weed was found on 30 areas planted in a federal conservation program. The weed grows very fast, reaching up to eight feet in height […]

By Renita D. Young

EPA approves Monsanto’s dicamba weed killer

Nov. 10, 2016 at 4:53 pm CST

U.S. seeds and agrochemicals maker Monsanto Co. has secured approval from the U.S. Environmental Protection Agency for a new dicamba-based weed killer designed for its next generation biotech soy and cotton varieties, the company said on Wednesday. While approval had been expected, it is seen as a major step forward […]

By Reuters

1 2 Next »