Tag: Dr. Stephen Strelkov

Canola School: 13 New Strains Serve as Warnings About Clubroot Resistance

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 »

Clubroot Overcoming Resistant Canola Varieties Across Alberta

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 »

Agronomy Geeks West — Ep. 21: Defining “Intermediate Resistance” to Clubroot, and Why a Resistant Variety Can’t Replace a Longer Rotation

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 »