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Bitter rot, caused by Glomerella cingulata, on apple.
Holly Thornton
University of Georgia, Plant Pathology Dept., 2317 Miller Plant Sciences Bldg. Athens, GA 30602
Email: hthornto@uga.edu
Host: Malus domestica, Apple
Disease name: Bitter rot
Pathogen name: Glomerella cingulata
Bitter rot of apple is an economically important disease in the southern United States. This can be a devastating disease during prolonged warm, wet weather. Upon slicing the fruit in half, a V-shaped, brown, watery lesion can often times be seen growing toward the apple core. Sanitation is an important strategy to managing this fungal disease.
APS publication number: IW000096
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