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A Strawberry Fruit Rot Caused by Colletotrichum fragariae. Charles M. Howard, Assistant Professor of Plant Pathology, University of Florida, Agricultural Research Center, Dover, Florida 33527; Phytopathology 62:600-602. Accepted for publication 3 January 1972. DOI: 10.1094/Phyto-62-600.

During recent years, a new fruit rot has caused severe fruit losses in some Florida plantings of the California strawberry cultivars Tioga and Fresno. Isolations from fruit rot lesions consistently yielded Colletotrichum fragariae, the incitant of strawberry anthracnose. Inoculation of fruit and potted plants with isolates from fruit rot lesions and from anthracnose lesions on runners proved that isolates from either source could cause wilt, fruit rot, and anthracnose on runners and petioles. When these isolates were grown on potato-dextrose agar, the spore sizes were within the range reported in the original description for C. fragariae.