Eastern Filbert Blight

Eastern Filbert Blight on Hazelnut

Eastern filbert blight is a disease of filbert and hazelnut trees (Corylus spp.). It is caused by a native fungus. In a natural setting, filbert blight causes a relatively minor disease on native American hazelnut shrubs (Corylus americana) causing small cankers on the stems and branches. However, the disease is lethal to introduced and commercially important European hazelnut (Corylus avellana) in orchards.
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Authors
Amy Stone