A serious fungal disease of the European ash, characterized by the progressive death of the tree’s branches.
- The disease is caused by Hymenoscyphus pseudoalbidus (also called Chalara fraxinea), subdivision Ascomycotina.
- The first outbreak of ash dieback has been confirmed in Northern Ireland.
- Earlier this week industry, conservation groups and scientists met for a summit on how to deal with ash dieback.
- Ash dieback may have arrived in Britain after spores were blown on the wind from continental Europe.
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Syllabification: ash die·back
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