Disease on crop
fungalEastern Filbert Blight on hazelnut
Anisogramma anomala
Native fungal disease of American hazelnut that devastates European hazelnut plantings, the limiting factor for commercial hazelnut culture in the East.
- Disease
- Eastern Filbert Blight
- Pathogen type
- Fungal
- Crop
- Hazelnut
- Scientific name
- Anisogramma anomala
Eastern Filbert Blight on hazelnut
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Symptoms on hazelnut
- ▸ Football-shaped black stromata in rows along infected branches
- ▸ Branch dieback above stromata
- ▸ Whole-tree decline over 5-10 years on susceptible varieties
IPM controls
- ✓ Plant resistant cultivars (Jefferson, Yamhill, Theta) only
- ✓ Native American hazelnut and most hybrids tolerate the disease
- ✓ Prune out infected wood 2-3 feet below visible stromata
- ✓ Avoid planting susceptible European cultivars in Eastern US
Resistant varieties
Jefferson Yamhill Theta American Hazelnut
Other crops affected by eastern filbert blight
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