Clubroot in canola is a growing problem in north-eastern Ontario, says the chair of Ontario Canola Growers.
Tag Archives clubroot
Canola growers eye longer rotations to counter clubroot
Soil-borne disease has ‘exploded’ in northeast, says canola growers chair
Clubroot pathotypes overcoming resistance, research finds
University of Guelph researcher says number of resistant pathotypes is expanding
Clubroot pathotypes are evolving past first-generation canola resistance, which will require new management and monitoring techniques to keep its spread in check. “Once you have clubroot in your field, it’s pretty much there for good,” said University of Guelph professor Mary Ruth McDonald, because the resting spores have incredible soil longevity and zoospores can swim […] Read more
DeKalb pulls two ‘inconsistent’ canolas off market
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
Clubroot able to beat resistant canola reaches Manitoba
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
Nothing fancy about killing clubroot
An Alberta study has shown that household bleach works as well as specialized disinfectants
Glacier FarmMedia – A jug of household bleach is an important tool in the fight against clubroot. Studies by Alberta Agriculture crop pathologist Michael Harding, which compared different disinfectants that can be used to sanitize farm equipment, showed a 50:50 concentration of common household bleach and water killed spores and is cheaper than other options. […] Read more
Ontario canola yields grow, and with it the threat of spreading clubroot
Last year was a good year for growing canola in Ontario, with the best average yields the province has had. That’s despite growing concern about managing clubroot in the province. It was testing during the 2016 growing season that established the prevalence of clubroot in the province, after some clinical signs of the disease showed […] Read more
Clubroot ‘heavily’ infests NW Saskatchewan field
Clubroot has made its presence known in the far northwest of Saskatchewan’s canola-growing region, with the discovery of a “heavily infested” field. SaskCanola on Monday reported the discovery of the disease in a field in crop district 9B, but didn’t give its specific location. District 9B is a group of 16 rural municipalities east of […] Read more
Clubroot climbs up into Peace region
One of Canada’s northernmost farming areas has picked up a case of a disease well known to canola growers further south. Alberta Canola on Wednesday announced the Peace region has reported a case of clubroot in canola, in Big Lakes County, which surrounds much of Lesser Slave Lake in the region’s southeast. The disease has […] Read more
Syngenta exits canola seed business
Canola growers checking out Syngenta Canada’s 2018 seed guide for Western Canada will notice canola by its absence. Syngenta, which entered the Prairie canola seed market in 2013 and by this spring had six hybrid varieties on offer, said in a statement it has “recently taken the decision to exit the canola seed business.” The […] Read more
Clubroot arrives in Ontario canola
Ontario has its first case of clubroot disease in canola — and further testing has confirmed clubroot in canola fields across the province. During the 2016 growing season an agronomist in the Verner area of northern Ontario examined a canola field and found the distinctive clubbed roots, said Meghan Moran, canola and edible bean specialist […] Read more
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