Shifts in the efficacy of genetic resistance to blackleg and changing farm practices mean staying ahead of this evolving pathogen takes constant vigilance. Both early sowing and stubble retention practices have an impact on infection patterns and management practices.
New research has identified three major resistance genes for blackleg in canola, developed markers, and is working to better understand how minor gene resistance is expressed. Screening shows that one of these major genes is present in most historic and many current Australian varieties.
Investment in screening program to help fight canola devastation caused by blackleg.