BACTERIAL CANKER
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Hazelnut

SOURCE:
P. Psalidas
DISEASE:
Bacterial canker
HOST:
Hazelnut
(Corylus americana)
Primary symptoms are failure of buds to break and withering and death of new foliage in spring. Dead leaves remain attached to limbs after normal leaf fall.
PATHOGEN:
Pseudomonas syringae pv. avellanae
PATHOGEN SYNONYM:
Pseudomonas avellanae