Asked by Joseph Prnka on Mar 10, 2024
Verified
Which tree disease is indigenous to Canada?
A) chestnut blight
B) Dutch elm disease
C) emerald ash borer
D) spruce budworm
Spruce Budworm
A forest pest that feeds on the needles of spruce and fir trees, often causing significant damage to forests.
Dutch Elm Disease
Dutch Elm Disease is a fungal disease spread by bark beetles, primarily affecting elm trees, leading to foliage wilting, branch dieback, and potentially the death of the tree.
Chestnut Blight
A fungal disease caused by Cryphonectria parasitica, which has devastated chestnut trees in North America by causing cankers that girdle and kill the trees.
- Understand the threats to forests from diseases and pests and contemporary strategies for their management.
Verified Answer
BM
Blythe MattsonMar 10, 2024
Final Answer :
D
Explanation :
Spruce budworm is a native insect that is found in Canada, primarily affecting spruce and fir trees in the boreal and eastern forests. The other tree diseases listed (chestnut blight, Dutch elm disease, and emerald ash borer) are not indigenous to Canada and were introduced from other parts of the world.
Learning Objectives
- Understand the threats to forests from diseases and pests and contemporary strategies for their management.