Bacterial Canker Quiz Bacterial Canker Quiz Take the Quiz! Get a perfect score! Earn the medallion! Questions may have more than one correct answer. Be sure to select all answers that are correct. If you don't get a perfect score, you can take the quiz again until you do! Please provide your email address to receive your digital medallion. Reference: Bacterial Canker Fact Sheet.Email(Required) 1) Bacterial canker is a common disease of(Required) cherry trees pear trees plum trees crabapple trees 2) Typical symptoms and signs of bacterial canker can include(Required) branch cankers blobs of sap on infected branches leaf spots that shothole flower death tree death none of the above 3) When removing branches affected by bacterial canker, prune four to six inches below where you see obvious signs or symptoms of the disease.(Required) true false 4) Stressed trees are more likely to have more severe cases of bacterial canker.(Required) true false 5) Copper sprays may not be useful for bacterial canker control in certain locations due to development of copper resistant/tolerant strains of the bacterial canker pathogen.(Required) true false Δ