Introgression of the highly effective Brassica rapa blackleg resistance gene Rlm11 into spring-type Brassica napus

Researcher: Dr. Hossein Borhan and Dr. Nicholas Larkan, Agriculture and Agri-Food Canada, Saskatoon SK

Project Code: CGDP ADF 2016-158

Final Report: August 2021

Summary: Researchers with Agriculture and Agri-Food Canada recently completed the genetic mapping of the blackleg resistance gene Rlm11. Rlm11 is effective against the L. maculans isolates carrying the avirulence gene AvrLm11, which is found in 95 percent of L. maculans isolates collected from western Canadian canola farms. In the project, researchers also incorporated Rlm11 into a spring-type B. napus, and generated molecular markers linked to the resistance gene. The canola lines with Rlm11 that were successfully developed in this project, combined with the blackleg race determination markers developed by this research team, will enable canola farmers to effectively control the blackleg disease.

Click the links below to download a short version of the report, the full detailed long version of the report, or the related Canola Digest PDF.

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