Plant Disease Research Programs
The Ornamental Plant Pathology program provides research and extension services for many plant diseases, with special emphasis on diseases caused by Phytophthora species.
Click on the image to be redirected to the program.
Sudden Oak Death
& Ramorum Blight

Pacific Madrone
Diseases

WSU Puyallup Research & Extension Center
2606 West Pioneer, Puyallup, WA, 98371-4998 USA
Last updated 9/24/2025
