Canola Watch quiz: Challenging observations

These three questions take different angles for common (and maybe not so common) problems in canola. Can you figure them out?

1. Flea beetles have piled onto this canola plant because this one plant has a condition that makes it different from (and therefore more attractive than) all the other plants you can see in background. What is the condition?

2. What is this sawdust-like substance?

3. What two things of interest do you see in this photo?