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Shallow bark canker | Walnut
HOST:Walnut
HOST (LATIN):Juglans regia 'Hartley'
PATHOGEN:Brenneria nigrifluens
SYNONYM:Erwinia nigrifluens
SOURCE:B. Teviotdale
Multiple cankers with brown exudate. Cankers on trunk are shallow.
Multiple cankers with brown exudate. Cankers on trunk are shallow.