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Canola varieties show genetic resistance to verticillium

Research in Manitoba has found some canola varieties, or canola lines in the development pipeline, have resistance to verticillium.

That’s a relief for canola growers because verticillium stripe has become a common disease in canola fields, at least in the eastern Prairies.

“I don’t know if they’re commercial (varieties) or not. The companies do not share that information with me,” said Dilantha Fernando, a University of Manitoba plant pathologist, who has been leading a project to understand genetic resistance to the soil-borne disease.

“They could be in the pipeline. They could be elite material. That part I don’t know. (But) this is good news for the (canola) industry.”

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Root Exudates, Soil Biology, and How Plants Recruit Microbes | Field Talk Friday

Video: Root Exudates, Soil Biology, and How Plants Recruit Microbes | Field Talk Friday



Field Talk Friday | Dr. John Murphy | Root Exudates, Soil Biology, and How Plants Recruit Microbes

Most of us spend our time managing what we can see above ground—plant height, leaf color, stand counts, and yield potential. But the deeper you dig into agronomy, the more you realize that some of the most important processes driving crop performance are happening just millimeters below the surface.

In this episode of Field Talk Friday, Dr. John Murphy continues the soil biology series by diving into one of the most fascinating topics in modern agronomy: root exudates and the role they play in shaping the microbial world around plant roots.

Roots are not passive structures simply pulling nutrients out of the soil. They are active participants in the underground ecosystem. Plants constantly release compounds into the soil—sugars, amino acids, organic acids, and other molecules—that act as both energy sources and signals for soil microbes.