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Tag Archives clubroot

Canola, Crops

DeKalb pulls two ‘inconsistent’ canolas off market

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Reading Time: 2 minutes Up against an “inconsistency of grower experiences” with the seeds’ yields in 2019, Bayer Canada is yanking two of its DeKalb TruFlex canola hybrids from the market. DeKalb’s DKTF 92 SC and DKTF 94 CR will not be available for 2020, Bayer said. Canola growers who have already booked those seeds for this spring are […] Read more
The efficacy and durability of clubroot resistance depends a lot on inoculum levels in the soil.
Canola, Crops

Hope ahead for more durable clubroot resistance

A combination of two resistance genes shows promise against multiple pathotypes

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Reading Time: 3 minutes Since it was first discovered in Alberta in the early 2000s, clubroot has proven a wily opponent for plant pathologists and breeders. Back then, researchers identified a handful of clubroot pathotypes, mostly minor, and one major one that was responsible for most infections and yield loss in Western Canada. Plant breeders focused on that and […] Read more
Western Canada’s “King wheat” acreage is now equalled by the former “Cinderella crop” of canola, but that’s at the expense of the recommended frequency in rotation.
Canola, Crops

Taking a long-term look at agronomy for canola

Researchers say canola’s environmental footprint has improved but a new agronomic struggle is on the horizon

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Reading Time: 4 minutes Canola-based rotation systems can improve long-term sustainability by using less energy and storing carbon below the ground, but keeping them going on top is proving to be a challenge. A study by Saskatchewan Research Council’s Susan MacWilliam, along with Agriculture and Agri-Food Canada research scientist Reynald Lemke and others, compared the impact of changing management […] Read more
Canola, Crops

Clubroot able to beat resistant canola reaches Manitoba

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Reading Time: 3 minutes A strain of clubroot able to club the roots of some resistant canola varieties has made its way east to Manitoba. Manitoba’s agriculture department reported Friday that clubroot pathotype 3A — a strain that can “overcome some first-generation sources of genetic resistance” in commercial canola — has been positively identified in the south-central rural municipality […] Read more
Agronomist Bill Ungar recommends farmers equip their pickup with disposable coveralls and booties, spray disinfectant and a dedicated pair of rubber boots in a disinfectant tray.
Crops

Biosecurity a crucial part of your farm’s business plan

As the list of pest, weed and disease threats grows longer, so should the list of measures to keep them away

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Reading Time: 9 minutes The signs instructing you to check in at the office and to put disposable booties on over your shoes are no longer just for when you visit hog and poultry farms — biosecurity measures are also becoming a feature for crop farms, for which the list of potential threats may be even longer. On its […] Read more
Canola, Crops

Twelve tips to clubroot management

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There are several key management tools producers need to apply to minimize the risk of clubroot either reaching a damaging level, and/or to reduce a heavy spore load of the pathogen in the soil to a tolerable level (about 1,000 spores or less per gram or teaspoon of soil will not affect crop performance). The[...]
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Soil pH is often highly variable within fields, as demonstrated in this map of a single central Alberta field. The range is from red (pH of 4-4.5) to dark lime green (pH of 7.5-8). That is why grid sampling is an important step in lime application.
Crops

If you have low soil pH, should you lime?

It can take tonnes of lime per acre to move soil pH from 5 to 7, but improved fertilizer availability for all crops, better nodulation for pulse crops and alfalfa, and reduced risk from clubroot in canola can make the investment worthwhile

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Reading Time: 5 minutes “Finally.” That word got special emphasis when Doug Penney was asked about liming. “It has become a hot topic… finally.” Penney, a long-serving Alberta Agriculture fertility specialist and now semi-retired crop consultant, says many fields in Western Canada — especially in Alberta — probably would have benefited from lime a long time ago. Fields most[...]
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Canola, Crops

Six steps to help prevent clubroot in canola

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Back in 2013, John Guelly discovered some dead canola plants with ominous-looking root galls at his Westlock-area farm. But even though clubroot was already known to be in his area, he hadn’t seen it himself, and he wasn’t sure what it looked like. People were secretive about the disease, he told farmers, agronomists and other[...]
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Plants that look healthy can also have small clubroot galls. While these galls may not cause much yield loss for this plant, they will produce billions of spores that can be spread around and cause yield loss the next time canola goes on that field.
Canola, Crops

Dealing with a flush of clubs

Clubroot specialists across the Prairies are sharing how to slow the disease’s spread, and how to keep it down when it does arrive

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Reading Time: 4 minutes It turns out 200 kilometres of forest is not an impenetrable barrier for clubroot. Canola growers in the Peace River region had crossed their fingers, but knew deep down it couldn’t hold. “Most growers knew we weren’t living in a bubble up here,” says Gregory Sekulic, Canola Council of Canada agronomy specialist for the region.[...]
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Clubroot galls on a canola plant.
Canola, Crops

Six management steps to help prevent clubroot

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Reading Time: 2 minutes The first step in managing clubroot is to minimize the chance of introducing clubroot to the farm in the first place. Make sure equipment and vehicles entering fields are clean. All people entering a field should have disinfected rubber boots or wear disposable booties over their footwear. All seed (not just canola) should be cleaned[...]
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AGCanadaTV: In Case You Missed It – Your National Ag News Recap for the week ending January 17, 2020.

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