Rhododendron: Ramorum leaf and shoot blight (Sudden oak death)
Rhododendron: Ramorum leaf and shoot blight (Sudden oak death) categories: Ornamentals Rhododendron Rhododendron Diseases Shrubs revision date: 2022-12-05 12:00 P. ramorum shoot blight symptoms on rhododendronPhoto by: M. Elliott Biology Ramorum leaf blight is caused by Phytophthora ramorum, the same organism that causes sudden oak death (SOD). In Washington, most cases have been found in […]