apple scab disease

apple scab disease

[′ap·əl ¦skab diz‚ēz]
(plant pathology)
A plant disease caused by the fungus Venturia inaequalis that may cause premature defoliation, June drop of young fruits, and unsightly blemishes on ripe apples.
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References in periodicals archive ?
He's already used the microscopes to see the spores of the fungus that causes apple scab disease as they emerge from crabapple leaf surfaces.
His enemy: a destructive fungi, called Venturia inaequalis (ven-TUR-ee-ya in-uh-KWA-lis) that causes apple scab disease.