Dog-strangling vine along a roadside in York Region.

Pest Patrol: Dog-strangling vine control with herbicides

#PestPatrol with Mike Cowbrough, OMAFRA

Reading Time: 3 minutes An invasive perennial weed from the milkweed family, dog-strangling vine is extremely difficult to con-trol once it gets established (Figure 1). Progress has been made on biological con-trol 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 are often most effective […] Read more

The U.S. Supreme Court building in Washington, June 27, 2022.  Photo: Reuters/Elizabeth Frantz

U.S. Supreme Court again nixes Bayer challenge to weedkiller suits

Reading Time: 3 minutes Washington | Reuters – The U.S. Supreme Court on Monday rejected another Bayer AG BAYGn.DE bid to dismiss litigation alleging that its Roundup weedkiller causes cancer as the German pharmaceutical and chemical giant tries to avoid potentially billions of dollars in damages. The justices turned away a Bayer appeal and left in place a lower […] Read more


(Dave Bedard photo)

U.S. Supreme Court rejects Bayer bid to toss Roundup suits

Reading Time: 3 minutes Washington | Reuters — The U.S. Supreme Court on Tuesday rejected Bayer’s bid to dismiss legal claims by customers who contend its Roundup herbicide causes cancer as the German company seeks to avoid potentially billions of dollars in damages. The justices turned away a Bayer appeal and left in place a lower court decision that […] Read more

(File photo by Dave Bedard)

U.S. EPA ordered to reassess glyphosate impact on health, environment

Decision doesn't prohibit Roundup's use

Reading Time: 2 minutes Reuters — The U.S. Environmental Protection Agency was ordered by a federal appeals court on Friday to take a fresh look at whether glyphosate, the active ingredient in Bayer’s Roundup herbicide, poses unreasonable risks to humans and the environment. In a 3-0 decision, the Ninth U.S. Circuit Court of Appeals agreed with several environmental, farmworker […] Read more


(File photo by Dave Bedard)

Link broken in glyphosate supply chain, Bayer says

Company provides heads-up on 'force majeure event'

Reading Time: 2 minutes No one is yet using the word ‘shortage’ but farmers may need to get ready for less Roundup temporarily, following a “force majeure” event at a plant supplying an ingredient in the recipe for glyphosate. Bayer, the chemical company whose Roundup brand remains the best known of the glyphosate herbicides, reported as much in an […] Read more

(File photo by Dave Bedard)

Supreme Court asks U.S. government for views on Roundup case

Reading Time: 3 minutes Washington | Reuters — The U.S. Supreme Court on Monday asked President Joe Biden’s administration for its views on whether the justices should hear Bayer’s bid to dismiss claims by customers who contend its Roundup herbicide causes cancer, as the company seeks to avoid potentially billions of dollars in damages. Bayer in August filed a […] Read more


(Dave Bedard photo)

Bayer wins second straight verdict in a Roundup cancer case

Plaintiff's settlement demands unreasonable, company said

Reading Time: 2 minutes Reuters — A California jury found that Bayer’s Roundup herbicide was not the cause of a woman’s non-Hodgkin’s lymphoma, Bayer said on Thursday, delivering the chemical giant its second trial victory over claims the popular herbicide causes cancer. The jury in San Bernardino County found that Donnetta Stephens’ cancer was not caused by her exposure […] Read more

(File photo by Dave Bedard)

Bayer wins its first Roundup jury verdict in case of child’s cancer

Reading Time: 2 minutes Reuters — Bayer won its first trial over claims its Roundup herbicide causes cancer after a California jury found that the herbicide was not a substantial cause of a child’s rare form of non-Hodgkin’s lymphoma, the company said on Tuesday. Destiny Clark alleged that her son Ezra developed Burkitt’s lymphoma after he was exposed to […] Read more


(File photo by Dave Bedard)

Bayer takes battle over Roundup cancer claims to U.S. Supreme Court

Reading Time: 2 minutes Frankfurt | Reuters — Bayer, trying to contain billions of dollars in legal costs, filed a petition with the U.S. Supreme Court to reverse an appeals court verdict that upheld damages to a customer blaming his cancer on the German group’s glyphosate-based herbicides. Bayer last week lost a third appeal against verdicts that sided with […] Read more

(Dave Bedard photo)

U.S. judge rejects Roundup settlement plan as ‘unreasonable’

Proposal would cover suits over future illnesses

Reading Time: 2 minutes Reuters — A U.S. judge rejected Bayer’s US$2 billion class action proposal to resolve future lawsuits alleging its Roundup herbicide causes cancer, saying in a Wednesday order that parts of the plan were “clearly unreasonable.” U.S. District Court Judge Vince Chhabria in San Francisco said the proposal “would accomplish a lot for Monsanto,” which Bayer […] Read more