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Scleroderris canker
Scleroderris canker (American name), or Brunchorstia disease (European name),〔(Data Sheets on Quarantine Pests - Gremmeniella abietina )〕 ''Gremmeniella abietina'', is a species of fungal diseases infecting coniferous forests. The main symptom is the death of the needles, leading to the death of the tree. In the forest industry, fighting off an infection of Scleroderris canker is usually not cost-effective. Clearing is often preferred over fungicidal methods, as the latter is harmful to other living organisms.
== Geographical distribution ==
The European strain is present throughout all of Europe, including the European part of Russia.〔 The American strain limits itself to north of 44°N.〔
(Scleroderris canker ) from Canadian Forest Service〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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