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RDAR ANNOUNCES $833,000 INVESTMENT FOR CANOLA CLUBROOT RESEARCH

Clubroot (Plasmodiophora brassicae) is a critical disease in canola that threatens a crop that contributed $12.9 billion (2022) in exports to Canada’s economy [AB $4 billion]. By infecting the plant’s root, clubroot disrupts water and nutrient uptake, resulting in stunted growth, reduced seed quality, and significant yield losses of up to 50%.

RDAR, the Alberta Canola Producers Commission, and the Saskatchewan Canola Development Commission (SaskCanola) awarded $1.25 million to Dr. Stephen Strelkov, Professor of Plant Pathology at the University of Alberta, to lead an expert team in:

  • Breeding resistance into new crop varieties.
  • Developing new ways to control the pathogen.
  • Identifying clubroot resistance genes.
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Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Video: Sclerotinia and Lygus in Seed Canola: Field Update with George Lubberts, CCA | Enchant, Alberta

Join Certified Crop Advisor George Lubberts for this Prairie Certified Crop Advisor (Prairie CCA) field update from Enchant, Alberta. In this 12th video of the series, George takes us into a seed canola field where the male rows have been removed and the female plants are filling pods. This video was taken in the third week of August 2025.

George discusses the early signs of sclerotinia stem rot, explaining how infection begins in the stem, impacts pod development, and leads to premature ripening. He also shares insights on lygus bug management, including timing of spray applications to minimize feeding damage and maintain seed size and quality.

With cool, damp summer conditions, George notes that while disease pressure is present, overall field health remains good. The crop is just beginning to show early seed colour change, signaling progress toward maturity.

Topics Covered:

•Sclerotinia stem rot identification and impact

•Managing lygus bugs in seed canola

•Crop stage and seed colour change observations

•Timing insecticide sprays for optimal protection

•Insights from a CCA field perspective in southern Alberta