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Tag Archives herbicides

Jimsonweed got a lot of attention when it was discovered last August in a canola field in Westlock County north of Edmonton.
Canola, Crops

A costly approach to dealing with crop insects and weeds

A head-in-the-sand approach to unfamiliar insects, diseases and weeds simply won't do. Be observant. Early identification and fast action — when required — are best

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Reading Time: 5 minutes If Dan Orchard had not discovered clubroot in an Alberta canola field in 2003, we’d all be in ignorant bliss right now. Orchard really should have recognized the scientific principle that if something isn’t “discovered,” then it doesn’t exist and we don’t have to worry about it. He should have left well enough alone, as […] Read more
(Nufarm.com)
Crops

Nufarm to shut Calgary herbicide plant

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Reading Time: 2 minutes Crop chemical manufacturer Nufarm plans to make its North American business more “cost-effective” by shutting its plant in Calgary and shipping the production work to Chicago. The “rationalization” in Calgary, expected to be complete by next fall, “will allow us to increase flexibility, reduce complexity and more efficiently utilize our facilities,” Nufarm manufacturing group executive Elbert […] Read more
A flowering tansy ragwort plant during August.
Crops, Livestock

Pest Patrol: How do I control tansy ragwort in my pasture?

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes By Kate Ayers University of Guelph, Ontario Agriculture College Tansy ragwort is a noxious weed most often found in pastures and hayfields. It is a biennial or short-lived perennial that reproduces through seeds and roots. Tansy is poisonous to livestock and can cause liver damage. Symptoms that may occur after plant consumption include: weakness, high […] Read more
Figure 1. On April 30, 2015, leaves have emerged from the large taproot and tower over newly emerged seedlings.
Crops

PHOTOS: Pest Patrol: What is the best way to get rid of common burdock?

Seeds may be viable for up to three years so manage accordingly

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Reading Time: 2 minutes Knowing how this plant reproduces will influence how you manage it. Burdock is biennial and reproduces only by seed. Following seed germination in the spring, burdock will grow into a large leafy rosette plant with a large taproot that allows it to overwinter. In the second year, burdock will flower and produce the burrs we […] Read more
(Scott Bauer photo courtesy ARS/USDA)
Corn, Crops, Reuters, Soybeans

French court upholds Monsanto poisoning ruling

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Reading Time: 2 minutes Lyon/Paris|Reuters — A French court upheld on Thursday a 2012 ruling in which Monsanto was found liable in the chemical poisoning of a French farmer, who says he suffered neurological problems after inhaling the U.S. company’s Lasso herbicide. The decision by an appeal court in Lyon confirmed the initial judgment, the first such case heard in court […] Read more
Martin Entz sees opportunity for grain and livestock producers to work together on a more sustainable combination of annual and perennial crops.
Crops

Is momentum being lost for sustainable agriculture?

Farmers have made great strides toward sustainability, but there are fears that we’re starting to slip back

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Reading Time: 5 minutes Have we become more sustainable?” asks Martin Entz, professor of natural systems agriculture at the University of Manitoba. “In some ways we’ve moved forward a long way, but there’s also some things we’ve moved backwards on.” Farmers have scored big wins in erosion control, the rate of organic matter loss, water use efficiency, weed management, […] Read more
The app contains over 70 weed species and over 300 photos to help you identify weeds.
Crops

Pest Patrol: Using the ‘Pest Manager’ app

Weeds and weed management information in the palm of your hand

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Reading Time: 2 minutes We have good pest management information and research. The challenge can be to get that information to the farmers who need it. Earlier this summer, a smartphone app was launched called Pest Manager. Currently, only information on weeds and weed management is included, so I tell farmers it’s what you would get if a weed […] Read more
Somerset-area organic farmer Jeremiah Evans is impressed with the weed control he’s getting with his new U.K.-made in-row cultivator, the Garford Robocrop.
Crops, Machinery

Organic weed control, precision weed tillage via the ‘Robocrop’

Frustrated with lack of weed control, one organic farmer from Manitoba is impressed by a U.K.-made in-row cultivator

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Reading Time: 3 minutes Jeremiah Evans has a new high-tech hand helping him control weeds on his organic farm. Last fall the Somerset-area farmer took delivery of a custom-built U.K.-manufactured Garford Robocrop in-row cultivator, which uses special software to identify and target weeds, leaving the crop behind. After seeing what it could do to his wild oats, thistle and […] Read more
Palmer Amaranth (pigweed) in a soybean field.
Crops

Herbicide resistance, selection pressure, reducing options for weed control

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

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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
Crops

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

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

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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.

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