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Tag Archives herbicides

Searching for alternative herbicides in different groups for specific weed issues is no small task.
Crops

Lack of choice in herbicide options

There may be dozens of brands, but when it comes to choosing herbicide groups to avoid resistance, your options are limited

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Reading Time: 5 minutes Given the possibility of supply shortages of agricultural inputs, including herbicides, I’ve spent more time this winter than most looking into which herbicides have the best fit for my farm. I would much rather purchase now than scramble in the spring, seeking herbicides unavailable or in short supply. Early planning has also prompted me to […] Read more
FIGURE 1 (left): Visual weed control just prior to harvest, provided by a “two-pass” strategy. FIGURE 2 (right): Visual weed control just prior to harvest, provided by a “one-pass” strategy.
Crops

Pest Patrol: Best practices for weed control in identity-preserved “IP” soybean – Part 1

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes his three-part series will examine best practices and common weed management questions asked by farmers producing food-grade, non-GMO soybeans.  Best practice #1: Budget for two herbicide passes, and hope you only need one The past decade of research trials has shown that “one-pass” post-emergence herbicide programs have resulted in poorer weed control (by 12 per […] Read more
Those wild oats are probably herbicide-resistant, but if you clip them now they won’t be able to germinate in greater numbers next year.
Crops

Season-long weed control strategies

Don’t only focus on spraying the young ones – also target the escapes before they get a chance to reproduce

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Reading Time: 4 minutes If you’ve been focusing mainly on the CPWC, it may be time to switch strategy and add an “s.”  CPWC — the critical period for weed control — is the period of growth during which a crop must remain weed-free to prevent yield loss. Suppressing weeds in that period is the objective behind most control […] Read more
Colin Smith says more growers need to understand the mode of action along with the growth characteristics of target weeds.
Crops, News

Feeling cut off from glyphosate supplies?

The good news is that a shortage opens possibilities for sharpening weed-management skills

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Reading Time: 6 minutes As most growers and industry stakeholders have heard by now, reports of shortages of glyphosate and glufosinate have become common since late 2021. They’ve led to bulletins of price increases of 100 to 300 per cent for glyphosate in some areas, and recommendations for how to manage their herbicide programs for 2022. One reason for […] Read more
Bayer’s Laudis is registered for use in corn in Eastern Canada and is expected to be available in Western Canada in time for seeding season.
Crops

The latest in herbicides and fungicides for 2022

More active ingredient combinations offered to control resistant weed biotypes

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Reading Time: 5 minutes As weeds and diseases continue to evolve and overcome the active ingredients and modes of action of different herbicides and fungicides, the chemical industry must evolve to keep pace. The research and development challenges are considerable — it can take more than 10 years to bring a new product to market, and cost nearly $300 […] Read more
(File photo by Dave Bedard)
Crops

Link broken in glyphosate supply chain, Bayer says

Company provides heads-up on 'force majeure event'

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Reading Time: 2 minutes No one is yet using the word ‘shortage’ but farmers may need to get ready for less Roundup temporarily, following a “force majeure” event at a plant supplying an ingredient in the recipe for glyphosate. Bayer, the chemical company whose Roundup brand remains the best known of the glyphosate herbicides, reported as much in an […] Read more
Making flax harvest a little smoother
Crops, Oilseeds

Making flax harvest a little smoother

An IHARF study looks at four pre-harvest options for dry-down and weed control

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Reading Time: 4 minutes Harvestability and residue management problems discourage some producers from growing flax, but one solution may be a pre-harvest herbicide or desiccant. Flax stalks are fibrous and tough to cut or chop, says Chris Holzapfel, research manager at the Indian Head Agricultural Research Foundation (IHARF). “Sometimes the stalks can stay green for a long time, which […] Read more
Phragmites is well adapted to wet soils but can also do well on drier land.
Crops

Pest Patrol: Control of phragmites with herbicides and biological agents

#PestPatrol with Mike Cowbrough, OMAFRA

By , ,
Reading Time: 3 minutes You will have noticed these tall grasses swaying in the wind along roadsides, especially near ditches. They are likely phragmites, also known as common reed (Phragmites australis L.). It is a very widespread weed and one of the world’s most common plant species. In North America, there is a native type of phragmites that has […] Read more
FIGURE 1: Tufted vetch growth at six weeks after an application of glyphosate.
Corn, Crops

PHOTOS: Pest Patrol: Vetch in corn

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: < 1 minute Historically, post-emergent applications of Callisto + Aatrex 480, dicamba (e.g. Engenia/Xtendimax) or Distinct have provided the best top-growth control of tufted vetch (Vicia cracca) in corn. A trial was conducted in 2021 to evaluate tufted vetch control with two newer herbicides, Laudis + Aatrex and Acuron as well as Lontrel XC (clopyralid), a herbicide that […] Read more
Technology such as GPS can help avoid errors — as long as the operator has the correct legal land description.
Crops, Equipment

Whoops… wrong field

How growers and applicators can work together to prevent spraying errors

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Reading Time: 4 minutes The wrong restaurant order. The wrong order for a replacement part. The wrong medical procedure. Mistakes are part of every profession — including crop spraying. During a Telus crop protection webinar in June, participants were asked whether they had ever had an incident of spraying the wrong field or the wrong product. Fifty-three per cent […] Read more

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