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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
Some plants along the rail line are glyphosate resistant.
Crops

Pest Patrol: Sanitation of weed seed

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes Q: Can we stop the spread of weed seeds? A: “I’ve been thinking a lot about sterility lately.” I knew as soon as the words came out of my mouth that I had slipped up. I was responding to a question in the audience at a local crop conference about ways to stop the movement […] 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
Covering roughly 10 hectares, the study included plots set out in a split-split format, meaning large plots were divided into smaller plots, with even smaller plots within those.
Crops

Farm like Scrooge

A long-term study suggests that penny-pinching can actually help the bottom line

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Reading Time: 4 minutes Agriculture and Agri-Food Canada research scientist Bruce Gossen says the 18-year study was boring, but its results weren’t. Gossen and his colleagues took a long-term look at the effects of cropping diversity and inputs at Scott, Sask., from 1996 to 2013, but they didn’t just evaluate yields. They also looked at disease, insect and weed […] Read more
The U.S. ‘No. 1 weed problem’ heads north
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
Quinoa planted into a stale seedbed and with the use of an experimental herbicide (left) compared to the same herbicide applied but without the use of a stale seedbed (right).
Crops

Pest Patrol: Try the stale seedbed approach for weeds in alternative crops

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: I’m looking to grow a new crop where there are few herbicides available to control weeds. Are there any non-chemical methods to reduce the number of weeds that could emerge in the crop? A: Since I began with OMAFRA in 2002, I’ve been involved in projects that investigated methods to control weeds in “new” […] Read more
Weed management in edible beans is challenged by various factors, including the availability of broadleaf herbicides.
Crops, Pulses

Weeds in edible beans

Growers know about weeds in corn and soybeans, but dry beans demand a strategy of their own

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Reading Time: 5 minutes In farming circles, where commodity prices and net returns dictate much of the crop plans in a growing season, the rationale for choosing alternative crops can hinge on a number of factors. The need for different equipment, different diseases that might have an impact on the crop, shipping costs and the so-called “convenience” of some […] Read more
Figure 1. An overhead look at the level of control that cereal rye has provided when it was seeded the previous fall (mid- November) at 60 lbs./ac. (left) compared to no cereal rye planted (right).
Crops

PHOTOS: Pest Patrol: Cover crops versus glyphosate-resistant weeds

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: < 1 minute Q: Can cover crops be an effective tool to manage glyphosate-resistant weeds? A: My colleague Dr. Clarence Swanton (University of Guelph) used to say that based on research he did in the 1980s, one should not expect to control weeds with cover crops. Their utility was in preventing soil erosion and improving soil health but […] 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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