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Diseases of Deciduous Trees: Apple - Apple Scab

Premature leaf drop and yellowing of leaves on an ornamental crab apple infected by apple scab. Photo courtesy of David McDonald.

Spotting of the leaves and fruit showing characteristic black velvety spots.
Photo courtesy of University of Minnesota Plant Disease Clinic.

Disease cycle of Apple Scab. Photo courtesy of American Phytopathological Society.


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Last modified on March 06, 2013