Palmer Amaranth (pigweed) in a soybean field.

Herbicide resistance, selection pressure, reducing options for weed control

Pay close attention to weeds that survive herbicide applications, says one U.S. farmer

Reading Time: 5 minutes Arkansas has been ground zero for herbicide-resistant weeds. For instance, the state is second only to Australia in the amount of herbicide-resistant ryegrass in wheat. “We’re actually running out of herbicides, making it difficult for us to even grow wheat in Arkansas, because of the levels of resistance that we have,” said Dr. Bob Scott. […] Read more

VIDEO: “Old soil-applied” solutions for herbicide resistance weeds

VIDEO: “Old soil-applied” solutions for herbicide resistance weeds

Crop Diagnostic School: Know your target weed issues before choosing a herbicide

Reading Time: < 1 minute To help keep herbicide-resistant weeds at bay, some older soil-applied products are rejoining the fight. At the 2015 Crop Diagnostic School, Jeanette Gaultier, pesticide use specialist with Manitoba Agriculture, Food and Rural Development, talks about which herbicide-resistant weeds producers should watch for and what they need to consider before choosing a herbicide for their situation.



(Canada Beef Inc. photo)

U.S. regulators may recommend testing food for glyphosate residues

Reading Time: 2 minutes Reuters — U.S. regulators may start testing food products for residues of the world’s most widely used herbicide, the Environmental Protection Agency told Reuters on Friday, as public concern rises over possible links to disease. Glyphosate, the active ingredient in Roundup herbicide, has come under intense scrutiny since a research unit of the World Health […] Read more


(Cia.gov)

Chinese citizens sue government over transparency on Roundup

Reading Time: 2 minutes Beijing | Reuters –– Three Chinese citizens are taking China’s Ministry of Agriculture to court in a bid to make public a toxicology report supporting the approval of Monsanto’s popular herbicide, Roundup, 27 years ago. The case, a rare example of a lawsuit by private citizens against the Chinese government, comes amid renewed attention on […] Read more

Scientist defends WHO group report linking glyphosate to cancer

Reading Time: 2 minutes Reuters — A World Health Organization group’s controversial finding that the world’s most popular herbicide is “probably carcinogenic to humans” was based on a thorough scientific review and is a key marker in ongoing evaluations of the product, the scientist who led the study said Thursday. “There were several studies. There was sufficient evidence in […] Read more


(Monsanto.com)

Monsanto rips cancer agency’s Roundup takedown

Reading Time: 4 minutes The decision by an international group of cancer experts to classify the active ingredient in Roundup herbicide as “probably carcinogenic” has drawn fire from the product’s main maker. The International Agency for Research on Cancer (IARC), a France-based arm of the World Health Organization, on Friday released its working group’s evaluations on the cancer-causing potential […] Read more

quackgrass

We’ve come a long way

Weed control evolution has occurred incrementally over the years, but looking back at the sweep of history shows some very impressive gains

Reading Time: 5 minutes Some might remember the 1970s cigarette commercial featuring the slogan, “You’ve come a long way, baby.” Well, as I think back to how we controlled pests in the early days of my career, no slogan could be more appropriate for our pesticide industry. I was recently reminiscing with my brother Bill, who has been in […] Read more