摘要：From this year onwards ash dieback caused by the
ascomycete fungus Hymenoscyphus albidus and its
anamorphic stage Chalara fraxinea is included in the
“Documentation of Forest Damage Factors” (German:
Dokumentation der Waldschädigungsfaktoren –
DWF). The symptoms of this serious, emerging
disease are described and illustrated in a removable
information leaflet.
关键词：Ash dieback, Hymenoscyphus albidus,
Chalara fraxinea, Fraxinus excelsior,
diagnosis of tree diseases
