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Diagnostic Guides and Fact Sheets

Phytophthora ramorum - a guide for Washington nurseries (Washington State Nursery and Landscape Association)

Phytophthora ramorum: a guide for Oregon nurseries (OSU Extension)

APHIS Phytophthora ramorum fact sheet, regulations

National Agricultural Pest Information System (NAPIS)

PNW Handbook SOD information and recommendations (OSU Extension)

• Rhododendron -- ramorum leaf blight and shoot dieback
• Camellia -- ramorum leaf blight and shoot dieback
• Viburnum -- ramorum leaf blight and shoot dieback
• Oak -- Sudden Oak Death
• Tanoak (Lithocarpus sp.) -- Sudden Oak Death

Regional Websites

California Oak Mortality Task Force

Sudden Oak Death in Oregon (ODA)

Sudden Oak Death in Washington (WSDA)

Sudden Oak Death in Canada (BC Ministry of Agriculture, Food, and Fisheries)

For more information please contact
Dr. Gary Chastagner
WSU Puyallup Research and Extension Center
7612 Pioneer Way E.
Puyallup, WA 98371-4998
Phone: 253-445-4528
E-mail: chastag@wsu.edu

This page last modified on October 18, 2005