Reading Time: 2 minutes Researchers in the southern U.S. have found what they say is the first broadleaf weed in the world to beat the active ingredient in BASF’s Liberty herbicide. The University of Arkansas last week announced its ag researchers had found glufosinate-resistant Palmer amaranth in crops in two eastern Arkansas counties across the Mississippi River from Memphis. […] Read more

Arkansas confirms first-ever glufosinate-resistant broadleaf
Researchers find Palmer amaranth strains in two counties

German cabinet approves legislation to ban glyphosate from 2024
Law would still need parliamentary approval
Reading Time: < 1 minute Berlin | Reuters — Farmers in Germany will have to gradually reduce their use of glyphosate and stop using it completely from 2024 in order to preserve clean habitats for insects, under draft legislation passed by the country’s cabinet on Wednesday. “The exit from glyphosate is coming. Conservationists have been working toward this for a […] Read more

Pest Patrol: Bluegrass becomes an emerging problem in field crops
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 4 minutes In Ontario, turf-like grassy weeds are being found in more cultivated fields. In herbicide-tolerant corn and soybean, control with glyphosate has been inconsistent. In cereal and forage crops, fast growth of these grasses in the spring makes them too big to be controlled with herbicides. Let’s review what is being found in fields and how […] Read more

Pest Patrol: Crop injury from herbicide residues more common in 2020
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 4 minutes In 2020, a few farmers observed leaf injury in their soybean crops. The injury caused parts of the leaf to turn white, then yellow (see photo at top). This injury is typically caused by “bleaching” herbicides. It was odd, though, because the bleaching herbicide had been applied to the previous year’s corn crop, and it […] Read more

Pest Patrol: Dog strangling vine control with herbicides
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 2 minutes An invasive perennial weed from the milkweed family, dog strangling vine is extremely difficult to control once it gets established (Figure 1 at top). Progress has been made on biological control of this weed in Ontario through the release of Hypena opulenta, a leaf-feeding caterpillar. However, integrated strategies that include both biological and chemical methods […] Read more

U.S. legal system helps weeds win
Luckily, Canadian producers are still outside the reach of the Ninth Circuit Court ruling on dicamba-based herbicides
Reading Time: 5 minutes In farming circles, the term “less-forgiving” has become more than a cliché. It’s now a mirror on reality. Farmers are already dealing with an incredible list of challenges and complexities, including everything from new seed technologies, concerns about land costs, equipment decisions, commodity markets, trade issues… you name it. Now growers in the U.S. must […] Read more

Monsanto loses final appeal over French farmer’s herbicide accident
Reading Time: 2 minutes Paris | Reuters — Bayer’s Monsanto division on Wednesday lost a final appeal in a long-running French legal battle in which the crop chemical maker has been held liable for a farmer’s accidental inhalation of a herbicide. Monsanto had been trying to overturn a decision by an appeals court in 2019 that had found the […] Read more

Mexico to phase out use of glyphosate
Farmers to have until 2024 to phase out herbicide
Reading Time: < 1 minute Mexico City | Reuters — Mexico will gradually phase out use of the herbicide glyphosate by the time the current administration ends in late 2024, President Andres Manuel Lopez Obrador said on Wednesday, following a ministerial spat over the product. Acknowledging differences between his agriculture and environment ministries over the herbicide, which is used in […] Read more

Pest Patrol: The latest word on nipplewort in cereals
#PestPatrol with Mike Cowbrough, OMAFRA
Reading Time: 3 minutes Here’s a question in my in-box. “I have a customer with a no-till rotation that has nipplewort — a lot of it. We found some pretty decent options for most crops in the rotation to clean it up before planting, but he’s got some in his wheat this year too. “What would be our best […] Read more

Bayer puts Roundup future claims settlement on hold
Judge questions proposal for third-party scientists to rule on chemical's carcinogenicity
Reading Time: 2 minutes Frankfurt | Reuters — Bayer was forced on Wednesday to delay part of a proposed settlement of allegations that its widely used herbicide Roundup caused cancer after a U.S. judge questioned its plan to deal with future claims. The German company said that lawyers representing those preparing a class action had withdrawn a request for […] Read more