July 13 Quiz – Lesions

July 13, 2016 - Issue 17

How well do you know your canola leaf lesions? Take the quiz to find out!

1. What caused this canola leaf lesion?

Sclerotinia_lesion_Hewson600
2. What caused this canola leaf lesion?

Window paning of leaves caused by diamondback larvae. Source: Janet Knodel, NDSU
3. What caused this canola leaf lesion?

alternaria_lesion_Cornelsen600
4. What caused this canola leaf lesion?

blackleg_lesion_Cornelsen600

 

Canola Watch