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Month: Nov
Year: 2011
State: OR
County: Lane
Grower: Landscape
Host Category: woody ornamentals
Host Common Name: butternut tree
Host Scientific Name: Juglans cinerea
Symptoms: stem cankers around walnut twig beetle galleries
Parts affected: stem
Primary Pathogen Category: fungus
Diagnosis Common Name: thousand cankers disease
Diagnosis Scientific Name: Geosmithia sp.
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