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Which of these is a tree disease spread by beetles?

+3 votes

Which of these is a tree disease spread by beetles?
A. German Oak Disease
B. Dutch Elm Disease
C. Belgian Ash Disease
D. Australian Willow Disease

posted Aug 29, 2016 by Anamika

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1 Answer

+1 vote
Best answer

Thanks for the query.

Dutch elm disease affects elm trees and is spread by the Elm bark beetle.The Elm trees are first affected on a branch with leaves withering and dying which ultimately spreads throughout the tree finally killing it. Although, the disease is spread by the beetle, it is caused by a form of sac fungi. The disease was thought to be native to Asia but accidentally got introduced in America and Europe. This disease also got introduced into New Zealand.

Elm Bark Beetle

Dutch Elm Disease

Source: Wikipedia
Disclaimer: I do not own any of the images. All images are copyrighted to their respective owners.

answer Aug 30, 2016 by Arghyadeep Dutt Shrivastava
Thanks. Appreciated.
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