Durable blackleg resistance stewardship through knowledge of blackleg pathogen population, resistance genes and crop sequence towards the development of a cultivar rotation program in the Prairie Provinces

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Key Result

This research increased the understanding of the R-gene and pathogen profiles in the Prairies.

Project Summary

The objective of this study is to analyze Avr gene diversity and frequency of different Avr genes in different farms.

Overview:

Understanding the R-gene and the pathogen profiles in the Prairies (by testing L. maculans isolates for the presence of 11 Avr alleles using a set of differentials combined with PCR amplification) has helped the industry to launch the R-gene labeling system and rotation strategy.

Note: This study was one of many making up the ‘Canola Disease Management Tools for the Prairies – Blackleg and Sclerotinia’ project that was led by SaskCanola in partnership with industry and funded under the Agri-Science Project (ASP) within the Growing Forward 2 Program.