SaskCanola is letting canola growers in the northwest part of the province know clubroot disease has been found at high levels in the region. “We’ve been advised that one new field in the northwest region of the province is heavily infested with clubroot,” says Janice Tranberg, executive director, in a statement issued Monday. “In response… Read More

Thursday’s edition of RealAg Radio — highlights: Clubroot hits the peace region of Alberta due to tight canola rotations ; Farmer Rapid Fire – we’ve got farmers from New Brunswick, Ontario, Manitoba, and Saskatchewan. There’s a bit of a theme developing.. listen to find out what that is ; Some audio from the John Gormley… Read More

Alberta’s Peace region has taken flack over the years for its tight canola rotations. The snow-canola-snow rotation was once a laughing matter, but after today’s announcement the joke is no longer funny. The Canola Council of Canada has announced that clubroot has been discovered in the southeast corner of the northern Alberta region. This changes… Read More

With clubroot disease spreading and the number of straight-cut canola acres climbing, clubroot resistance and reduced pod shatter traits have become valuable tools for growers. Bayer announced today it will be combining both in one canola hybrid. Invigor L255PC will be available starting this fall through regular retail channels. With ‘very strong’ standability, an R… Read More

The clubroot story in Western Canada continues to be written as researchers are finding additional strains of the pathogen that are capable of overcoming genetic resistance. So far, 13 new variants have been identified since the breakdown of resistance was first confirmed in 2013, explains Stephen Strelkov, plant pathology researcher at the University of Alberta. “We think resistance… Read More

Crop Production Services is releasing a canola variety it says offers the “first true” multigenic resistance to clubroot disease, including the new 5X pathotype found in Alberta. The Proven Seed-brand variety PV 580 GC was formally registered on October 23. “The CPS Canadian Research and Development team has invested heavily in discovering and breeding new… Read More

After ramping up efforts to test for clubroot disease over the last year, Manitoba Agriculture, Food and Rural Development has confirmed the presence of the nasty soil-borne pest in 48 fields within the province. The provincial ag department has released an updated map showing positive clubroot cases by rural municipality (see below), while noting “positive findings… Read More

Unless it’s too late and you’ve already found clubroot symptoms in your canola, you won’t know whether you have it without getting tested. This Canola School episode focuses on testing for clubroot and how to go about determining whether clubroot spores are present in the soil. Finding the nasty soil-borne disease when spore loads are still low… Read More

Resistance to clubroot disease in canola is deteriorating across Alberta, according to research conducted by Alberta Agriculture and the University of Alberta. Multiple pathotypes are now suspected to be responsible for infecting canola varieties that were previously deemed resistant to the soil-borne disease. The presence of a different clubroot pathotype that could infect resistant varieties… Read More

With findings of clubroot disease in parts of Western Canada where it has not been a problem before, at what point should a farmer in these new clubroot areas switch to growing clubroot-resistant canola varieties? To make that decision, you must first assess and prioritize the risks to your canola, suggests Anastasia Kubinec, oilseed specialist with Manitoba Agriculture, in this Canola… Read More

Testing for clubroot falls into an interesting classification — it’s a disease, yes, but it’s in soil. Do you send samples to a soil lab or a seed lab? In this edition of Under the Microscope, Holly Gelech, business development manager with Biovision Seed Labs, walks us through how labs test for clubroot and while… Read More

Crop rotation remains the most powerful tool in the fight against clubroot disease in Western Canadian canola fields, even with new resistant varieties being brought to market. As part of this episode of the Agronomy Geeks West podcast, host Lyndsey Smith caught up with Dr. Stephen Strelkov of the University of Alberta. His work documenting… Read More

Syngenta Canada has announced its first clubroot-resistant canola variety, SY4105, will be available for spring 2015. This variety is the fourth canola variety in Syngenta’s portfolio. SY4105 is resistant to common clubroot pathotypes. Certain other pathotypes have been identified in Alberta, and work is ongoing to screen SY4105 against them to determine if it is… Read More

 

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