July 2 Quiz – flowers Jay Whetter July 2, 2015 Leave a Comment Does that flower look pale to you? 1. What has affected these canola flowers? Heat stressThripsBoron deficiencySulphur deficiencySwede midge 2. What affected this canola flower? Heat stressThripsNitrogen deficiencySulphur deficiencySwede midge 3. What has affected this canola flower? Heat stressThripsNitrogen deficiencySulphur deficiencySwede midge Loading...