Home / Quizzes / July 2 Quiz – flowersQuiz July 2, 2015 July 2 Quiz – flowersDoes 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... E-newsletter sign up +(opens in a new tab)Agronomy Fundamentals Explore articles on the best management practices for yield, profitability and sustainability:Plant Establishment Nutrient Management Diseases Insects Weeds Harvest and Storage Discover More Canola Encyclopedia (opens in a new tab)Past Issues (opens in a new tab)Canola Research Hub (opens in a new tab)Videos (opens in a new tab)