GUMMOSIS ON CHERRY TREE - Gummosis is when a tree exudes sap in a gummy form.  This may indicate a canker or borer, however gummosis is a non-specific response.  There is nothing to be done except ensure vigor of your tree through good horticultural practices.

 

 

This web site was created for the Morris Arboretum of the University of Pennsylvania's Plant Clinic.
Created by C. Hetzel and revised by S. Eisenman on 3/7/02.
URL = http://www.upenn.edu/PaFLORA/Plantclinic/gum.html