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Black Knot of Plum and Cherry

This webpage describes the symptoms, life cycle, and control methods of the serious disease caused by the fungus Dibotryonmorbosum.

 

This webpage describes the symptoms, life cycle, and control methods of the serious disease caused by the fungus Dibotryonmorbosum.

 

Symptoms include greenish to light brown galls that turn black and harden as they age.  The resulting knot can kill the branch as well as become an entrance for other fungi.  Chemical control must be adjusted depending on the weather.

 

 

Authors
D.B. Schroeder, E.L. Marrotte, Revised by C. Quish
Date Published
2005
Publisher
University of Connecticut Extension
Storrs, CT (US)
Resource Type
Information/Research Summary
Resource Format
Website
Funding Source
University/College
Sub-Topics
Disease, Health (tree)
State(s)/Region(s)
National, Conneticut
Keywords
Prunus, Prunus
Indexed By
MWCU&CF

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