August 22, 2018 - Issue 21 August 22, 2018 Canola Watch quiz – pre-harvest scouting 1. What is the blackleg severity rating for this clipped stem? 1234 2. What plant population (___ plants per square foot) produced this plant? 1234 3. What caused this damage? AscochytaCabbage seedpod weevilHailLygus 4. What is clustered on this plant? AphidsLygus nymphsPea leaf weevilsThrips Loading... Read more about key things to look for while pre-harvest scouting this week.