Quiz – Colours of canola Jay Whetter June 24, 2020 Leave a Comment Nine images of discoloured canola. Can you identify the cause for each? 1. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 2. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 3. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 4. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 5. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 6. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 7. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 8. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue 9. What caused this discolouration? Environmental stressHerbicide issueNutrient issueDisease issue Loading... How to take a photo for agronomy