B.F. Bachelor of Forestry Practice Test
B.F. Bachelor of Forestry Forest Entomology and Pathology 2
What is 'Dutch elm disease' and what causes it?
Select your answer
A
A bacterial wilt spread by aphids that kills elm within weeks
B
A lethal vascular wilt disease caused by the fungus Ophiostoma ulmi, spread by elm bark beetles
C
A root rot disease caused by Phytophthora species affecting elms in wet soils
D
A defoliating disease caused by a caterpillar specific to American elm
Hint
