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Tag Archives herbicides

Contrast in control of Roundup Ready alfalfa with herbicides applied in early fall (foreground) compared to late fall (background).
Crops, Forages

Pest Patrol: Killing off Roundup Ready alfalfa

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes Six tank-mix partners are recommended for the removal of Roundup Ready alfalfa, and since they vary significantly in cost (Table 1 below), their effectiveness was evaluated in a trial conducted at the Elora Research Station in 2018-19. Growing degree day accumulation after herbicide application appeared to have the greatest effect on the control of Roundup […] Read more
A cereal rye cover crop established after corn silage in the fall of 2018.
Crops

Pest Patrol: Planning for cover crops

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: I want to plant cover crops after harvest. Should I be concerned about any herbicide residues that would make it harder to get them established? A: Two important factors influence the potential for herbicide carryover that could negatively affect establishment of a desired cover crop: The sensitivity of the cover crop to herbicide residues. […] Read more
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

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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
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
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
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
Applicators need relevant and timely information regarding chemical applications for the best performance.
Crops

Better labels

This new initiative aims to create crop protection labels producers will actually want to use to make spraying decisions

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Reading Time: 6 minutes It’s a familiar spot to find yourself in. You want to spray a new product. Or maybe you want to tank mix two chemistries that you’ve never sprayed together before. The crop is ready, the sprayer is set, but now you see there are label questions about specific rates, ground speeds, buffer zones, clean-out procedures […] Read more
Growers in the U.S. are dealing with the spread of Palmer amaranth, which overcame glyphosate as far back as 2010.
Crops

Better herbicide tolerance technologies are on the way

Better technologies are coming, but we’ll need patience and shrewd management until they arrive

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Reading Time: 4 minutes Count off the many challenges facing a farmer in any growing season and outside of weather conditions, the biggest impediment has to be weed management, particularly as it relates to herbicide tolerance. In spite of the importance of varietal or hybrid selection and fertility, and the potential for yield losses from insect pests and diseases, […] Read more
Crops

The U.S. ‘No. 1 weed problem’ heads north

Other weeds are higher priority for now, but be on the lookout for Palmer amaranth

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Reading Time: 4 minutes It can grow two to three inches per day and reach eight feet tall. Each plant can produce more than a million seeds that can emerge right through the growing season. It has reduced yield up to 91 per cent in corn and 79 per cent in soybeans. It’s resistant to glyphosate and multiple other […] Read more

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AGCanadaTV: In Case You Missed It – Your National Ag News Recap for the week ending October 11, 2019.

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