Anthracnose Canker Quiz Anthracnose Canker Anthracnose Canker Quiz Name(Required) First Last Email(Required) Enter Email Confirm Email 1. Anthracnose Canker is:(Required) a. viral b. fungal c. bacterial 2. Anthracnose Canker is prevalent on both sides of the Cascade Mountains in Washington State.(Required) True False 3. Which statement is false?(Required) a. Spores infect healthy bark tissue, and the pathogen grows in the cambium beneath the bark for a period of time before forming a visible canker. b. Without management the disease spreads slowly in infected trees, as well as surrounding trees. c. The disease kills young trees and structurally weakens established trees. d. The disease can cause a postharvest fruit rot. 4. Stem and trunk infections appear to occur primarily in:(Required) a. early spring b. autumn c. winter d. late summer 5. The canker begins as a reddish-purple lesion on the tree bark, ending with the necrotic bark sloughing-off leaving the bast fibers visible.(Required) True False 6. Anthracnose Canker prefers:(Required) a. a hot, dry climate b. a cool, moist climate 7. The pathogen can overwinter and release spores into the air beginning in spring introducing new infections.(Required) True False 8. disease management includes:(Required) a. proper planting, watering, soil management and pruning b. removing cankers year-round c. applying fungicides d. avoiding planting trees adjacent to older and/or neglected trees all of above a, b, and c b. c. and d 9. Trees that have four or more cankers on a majority of branches and trunk should be removed and discarded.(Required) True False 10. Never leave diseased plant material from pruning under the tree because it can still produce infecting spores.(Required) True False