European Ash – Consequences and Guidelines for Sustainable Management

Since mid-1990s, severe dieback of ash started to spread over most European countries. This emerging disease resulted in massive tree mortality and threatens the existence of ash trees over the continent. The causal agent of the disease is 

Hymenoscyphus fraxineus

, an alien and invasive fungus that originates from Far East Asia, and most likely entered Europe with imported ash trees.

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