Canola Watch quiz – Clubroot true/false

May 1, 2019 – Issue 5

1. CR varieties are immune to clubroot?
2. Clubroot is always found at the field entrance?
3. Clubroot-resistant (CR) varieties all contain the same resistance gene and mechanism of resistance.
4. Clubroot is spread mainly with equipment.
5. There is only one clubroot pathotype on the Prairies.
6. I can match my variety to guarantee resistance to clubroot in my fields.
7. Searching for clubroot above ground is the first place to start scouting.
8. There are areas on the Prairies where clubroot shouldn’t become a problem.
9. My soil has high pH so it is immune to clubroot.
10. Presentations from various International Clubroot Workshops are posted on


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