Presence of natural genetic resistance in Fraxinus excelsior (Oleraceae) to Chalara fraxinea (Ascomycota): an emerging infectious disease

Fraxinus excelsior , common ash native to Europe, is threatened by a recently identified pathogenic fungus Chalara fraxinea , which causes extensive damage on ash trees across Europe. In Denmark, most stands are severely affected leaving many trees with dead crowns. However, single trees show notabl...

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