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Managing Apple Scab

apple scab

Apple scab, caused by the fungus Venturia inaequalis, is a potentially serious disease of fruit trees and woody plants in the rose family. Crabapples, apples, mountain ash, pear, cotoneaster and hawthorne are all susceptible to this disease. This pathogen affects the leaves and fruits of susceptible hosts, impacting the aesthetic quality of the tree and fruit. Photo by Alan Biggs.

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