August 7 Quiz

1. What is this disease?

sclerotinia stem rot lesion shredding small
2. What is this disease?

Alternaria Hammond small
3. What is this disease?

Pre-harvest blackleg rating small
4. A small 0.5" bertha armyworm in the green phase can look like a 0.5" diamondback moth larvae. One way to distinguish them is to agitate a worm and see how it responds. Only one of these two worms will wiggle backwards and dangle from the plant on a thread. Which is it?
5. What do you think is the biggest canola production issue for 2014 — so far? And what you like to learn more about through the winter at trade shows, CanoLAB, Canola Watch, etc.? (This answer is not graded for the quiz.)