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Month: Jun
Year: 2011
State: OR
County: Deschutes
Grower: Nursery/Garden Center
Host Category: woody ornamentals
Host Common Name: quaking aspen
Host Scientific Name: Populus tremuloides
Symptoms: branch cankers
Parts affected: stem
Primary Pathogen Category: fungus
Diagnosis Common Name: Valsa canker
Diagnosis Scientific Name: Valsa sordida
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