Home / Quizzes / July 16 QuizQuiz July 16, 2014 July 16 Quiz 1. What caused the damage to this root? BlacklegBrown girdling root rotClubrootCutwormFoot rotRoot maggot 2. What caused the damage to the roots to the left of the pen? BlacklegBrown girdling root rotClubrootCutwormsFoot rotRoot maggot 3. What caused the damage to this root? BlacklegBrown girdling root rotClubrootCutwormFoot rotRoot maggot 4. What caused the damage to this root? BlacklegBrown girdling root rotClubrootCutwormFoot rotRoot maggot 5. What caused the damage to this root? BlacklegBrown girdling root rotClubrootCutwormFoot rotRoot maggot 6. What caused the damage to this root? BlacklegBrown girdling root rotClubrootCutwormFoot rotRoot maggot 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)