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Month: Jul
Year: 2011
State: OR
County: Lane
Grower: Home Garden
Host Category: woody ornamentals
Host Common Name: scarlet oak
Host Scientific Name: Quercus coccinea
Symptoms: black fungus and canker
Parts affected: stem
Primary Pathogen Category: fungus
Diagnosis Common Name: cramp ball fungus, hypoxylon canker
Diagnosis Scientific Name: Annulohypoxylon (Hypoxylon) thouarsianum
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