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Although it has yet to be confirmed in Ontario, Palmer amaranth is capable of rapid spread and should be treated as glyphosate resistant.
Crops

Recognize the threat of these invasive weeds

How big a problem can waterhemp and Palmer amaranth really be? Let’s not find out

By
Reading Time: 7 minutes Has everyone been crying wolf about waterhemp? After all, haven’t we been hearing warnings in southern Ontario about the weed for the past 15 years, and who has lost a bushel? Well, it was actually 17 years ago — 2002 — when the species was first confirmed in Lambton County, and the good news is […] Read more
Bayer’s cross symbol hangs in a terminal at Frankfurt International Airport. (Typhoonski/iStock Editorial/Getty Images)
Crops, Machinery

Bayer to invest $7.5 billion in new herbicides

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Reading Time: < 1 minute Berlin | Reuters — Bayer said it would invest five billion euros (C$7.5 billion) in developing new weedkillers and reducing its environmental impact by 30 per cent by 2030, as it seeks to address the fallout from U.S. class-action litigation over glyphosate. “While glyphosate will continue to play an important role in agriculture and in […] Read more
Several factors relating to water quality can affect product performance in the field, often to the detriment of the crop.
Crops, Equipment

Keep an eye on water quality

Water can play havoc with spray performance, especially with the rise in tank mixing

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Reading Time: 5 minutes The 2019 growing season is now within sight and with it, another season’s worth of herbicide, fungicide and insecticide applications. Given the challenges that can arise with sprayers and their products, it’s worth revisiting the subject of water quality and the potential impact of factors such as temperature, hardness and pH on product performance. With […] Read more
Volunteer corn.
Crops, Soybeans

Pest Patrol: Manage volunteer corn in your 2019 soybeans

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: Due to a challenging 2018 corn harvest, I’ll likely be looking at more volunteer corn in my 2019 soybean crop. What suggestions do you have for managing this weed? A: The only option to control volunteer corn in soybeans is to use one of the post-emergence herbicides from the Group 1 mode of action. […] Read more
The choice is simple: spend an hour cleaning equipment or a more expensive hour in the field spraying.
Crops, Equipment

Hitchhiking pests

Yes, cleaning out equipment takes time, but it’s worth it

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Reading Time: 6 minutes When it comes to discussing the scourge of weed management in Eastern Canada, much of the light has shone on herbicide-resistant Canada fleabane and its spread from Essex County to the Quebec border in just five years. The latest weed species that is cause for concern is common waterhemp. It’s been the topic of conversation […] Read more
(Dave Bedard photo)
Crops, Reuters

Second U.S. jury finds Bayer’s Roundup caused cancer

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Reading Time: 3 minutes Reuters — A U.S. jury on Tuesday found Bayer’s glyphosate-based Roundup herbicide caused cancer, a blow to the company eight months after another jury issued a US$289 million verdict over similar claims in a different case. Tuesday’s unanimous jury decision in San Francisco federal court, which came after five days of deliberation, was not a […] Read more
Drought stress symptoms in corn leaves where no soil-applied herbicides had been applied and weed control was done with a late post-emergence application.
Crops

Pest Patrol: Don’t be cheap with weed control

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes “Weed control is an investment into the current and future crops on every field.” The above quote was parting advice from Norfolk and Oxford County farmer Ann Vermeersch at the 2019 FarmSmart Conference in Guelph. In front of 80 farmers and agronomists, I moderated a session with Vermeersch and Steph Kowalski, a certified crop advisor […] Read more
Canada fleabane.
Crops

New in herbicides for 2019

The latest products on the market reflect a changing mindset in weed control

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Reading Time: 3 minutes As winter gives way to spring, growers prepare for another season of weed management challenges. To help, here are new products for 2019, plus some released too late last spring for full distribution. Bayer Infinity FX Newly registered for 2019, Infinity FX is a combination of Infinity (bromoxynil + pyrasulfotole) and fluroxypyr, providing three active […] Read more
Plants on a coca plantation in Colombia’s Sierra Nevada. (James Wagstaff/iStock/Getty Images)
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

By
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

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