Pests and Diseases Viewer

Bleeding Canker


Bleeding Canker

Usually appear in

Spring and Summer

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Caused By:-     Fungus of the Phytophthora species


A light brown substance ouze from the bark of mature trees. Patches of the bark may die and crack, which will allow other bacteria to enter and further affect the tree. Branches may die if the fungus totally ring the bark. Picture by Joseph O'Brien, USDA Forest Service,
See these other Cankers Apple and Pear, Bacterial, Canker, Cytospora, European, Horse Chestnut Bleeding, Mulberry, Parsnip, Pear and Apple, Phomopsis, Poplar Bacterial, Rose Stem and Dieback, Willow Black.


Cut out damage areas and protect with a pruning paint. A winter tar wash should help and reduce the incidence.

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