Sudden oak death

Photo: Joseph O’Brien, USDA Forest Service, Bugwood.org

Infects over 130 tree and shrub species Symptoms in shrubs: blackened shoots, diffuse dark brown spots or blotches with fuzzy margins, starting at the leaf tip Symptoms in trees: stem canker with red to black thick sap oozing on the bark surface. Stem necrosis leads to the death of whole crown Spread with infected plant material, or water, growing media and compost that has been in contact with infected plants

High priority pest of: Avocados, Blueberries, Plantation forestry, Production nurseries, Chestnuts, Hazelnuts, Macadamias, Tea tree, Truffles

Scientific name: Phytophthora ramorum
EPPRD Category: 1
Life Form: Fungus

Pest Documents

• Sudden oak death FS Nursery & Garden
• Sudden oak death FS Tea tree
• Sudden oak death FS Plantation forestry
• Sudden oak death and other diseases caused by Phytophthora ramorum CP
• Sudden oak death DP

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol