How to Manage Pests

Pests in Gardens and Landscapes

Phomopsis canker

Bark and wood affected by phomopsis canker develop localized dead areas near pruning wounds or other injuries. Branches eventually become girdled and leaves wither.

Solutions

Phomopsis canker is caused by a fungus that survives in cankers in trees or dead wood in surrounding areas. Prune late in the dormant season. Remove and burn diseased branches. Some varieties may be more susceptible than others.


Statewide IPM Program, Agriculture and Natural Resources, University of California
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Agriculture and Natural Resources, University of California

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