OSU Logo

Month: Apr
Year: 2015
State: OR
County: Washington
Grower: Landscape
Host Category: woody ornamentals
Host Common Name: douglas-fir
Host Scientific Name: Pseudotsuga menziesii
Symptoms: tree failure
Parts affected: stem
Primary Pathogen Category: fungus
Diagnosis Common Name: red ring rot
Diagnosis Scientific Name: Phellinus pini
Popular Search Terms: