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Tag Archives herbicide — page 2

Crops, Reuters

Colombian president defends use of glyphosate on coca crops

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Reading Time: 2 minutes Bogota | Reuters — A judicial ban on aerial spraying of glyphosate herbicide to eliminate coca crops should be modified, Colombia’s President Ivan Duque said on Thursday, because expansion of the crop since the ban threatens peace efforts. The Andean country suspended aerial fumigation of coca, the raw ingredient in cocaine, with the Monsanto herbicide […] Read more
Figure 4: A close up of foliar leaf burn from ATS and herbicide applications in 2018.
Crops

Pest Patrol: Questions about sulphur deficiency

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes I’m asked if growers can mix ammonium thiosulphate (ATS) with herbicides and fungicides to address sulphur deficiency symptoms, or should they apply it separately with streamer nozzles? With reductions in atmospheric sulphur deposits, Ontario research has found significant sulphur responses (10-14 bu./ac.) on some fields, while others have shown little or no response, especially where […] Read more
A seedling adzuki bean plant.
Crops

Pest Patrol: Managing volunteer adzuki beans

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: Has any work been done with controlling adzuki beans in IP, non-GMO soybeans? A: Chris Kramer and colleagues at the University of Guelph evaluated management of volunteer adzuki beans (photo at top) during a period of four seasons. The main challenge with adzuki beans is that their pods shatter easily and their seed coat […] Read more
Canola, Corn, Crops, Soybeans

Assure herbicide’s active ingredient under new ownership

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Reading Time: 2 minutes Now being put to work in Enlist corn, the active ingredient in Assure II herbicide has a new owner. California-based American Vanguard Corp., the owner of ag chemical producer Amvac Chemical, announced Thursday it has bought the quizalofop-p-ethyl (QPE) product line of herbicides from DowDuPont’s ag division, Corteva Agriscience, for an undisclosed sum. A Group […] Read more
Figure 1: This unsprayed control treatment consists mainly of common ragweed but with green foxtail, common lamb’s-quarters, witchgrass, crabgrass and red-root and green pigweed.
Crops

Pest Patrol: Weed control in identity-preserved, non-GMO soybeans

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes A decade of public research trials evaluating weed control in non-GMO soybeans at the University of Guelph has demonstrated that the key to success is to start with a soil-applied herbicide program that has three or more different modes of action. In Ontario, there are a number of common weeds (e.g. common ragweed, lamb’s-quarters, foxtail […] Read more
Crops, Reuters

Brazilian court overturns ban on glyphosate

Reading Time: 2 minutes Brasilia | Reuters — A Brazilian court on Monday overturned an injunction banning products containing the herbicide glyphosate, knocking down a previous ruling that had been set to disrupt the soy planting season set to begin this month. A Brazilian judge ruled last month to halt the registration of new glyphosate-based products in the country […] Read more
Crops, Reuters

Brazil judge suspends use of glyphosate herbicide

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Reading Time: 2 minutes Sao Paulo | Reuters – A Brazilian judge has suspended the use of products containing the agrochemical glyphosate, a herbicide widely employed for soybeans and other crops in the country. A federal judge in Brasilia ruled on Friday that new products containing the chemical could not be registered in the country and existing registrations would […] Read more
Crops

UPL to buy crop chem firm Arysta

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Reading Time: 2 minutes Indian chemical manufacturer UPL has raised the financial backing for an all-cash deal to become what’s expected to be the world’s fifth biggest crop chemical firm. UPL on July 20 announced it will pay $4.2 billion to buy 100 per cent of Arysta LifeScience — the maker of Everest and Inferno herbicides, among other products […] Read more
Figure 1. A robotic weeder being tested as part of an engineering design project at the University of Guelph.
Crops

Pest Patrol: New herbicide names may not mean new chemistry

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes Q: Do I have new opportunities in weed control in 2018? A: This is the question I’ve been asked a lot this past winter meeting season, and one I always struggle to answer. There are some legitimately promising concepts being tested such as robotic weeders (Figure 1 at top) and weed seed destruction tools, but […] Read more
More than the cost of herbicide, growers need to consider how the cost of yield losses will affect future cropping plans.
Crops

Rotation refresher

More than crops, more than herbicides, it comes down to planning for success — with everything

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Reading Time: 7 minutes The past two to three years have seen some encouraging signs of change for the better across Eastern Canada. Commodity prices are cyclically low yet corn, soybean and wheat yields have been trending upwards. There’s renewed interest in cover crops, and more growers have a renewed appreciation for soil health too, including a keener sense […] Read more

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AGCanadaTV: In Case You Missed It – Your National Ag News Recap for the week ending February 14, 2020.

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