Quiz – Clubroot/not clubroot

Through the pod filling time between flowering and harvest, growers and agronomists will want to take time for a more intense session of clubroot scouting. But what are you looking for? This quiz will help train your eye, but it you’re still not sure, send samples away for testing. (Manitoba and Saskatchewan canola growers, see links below for soil test offer.)

Look at the following seven photos. Which ones are clubroot and which ones are not?

1.
2.
3.
4.
5.
6.
7.