Clubroot was first confirmed in northern Ontario in 2017.

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

(Cropscience.bayer.ca)

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 galls on a canola plant. (Video screengrab from Canola Council of Canada via YouTube)

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

Studies by Alberta Agriculture crop pathologist Michael Harding, which compared different disinfectants that can be used on farm equipment, showed a 50:50 concentration of common household bleach and water killed spores and is cheaper.

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



(Alberta Farmer Express photo by Jennifer Blair)

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

(Alberta Farmer Express photo by Jennifer Blair)

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.com)

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

Canola plants with clubroot galls from a field near Verner, Ont., about 50 km west of North Bay. (OntarioCanolaGrowers.ca)

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