Many small, circular, gray spots form on the leaves. The spots have dark borders and a few black specks may be seen in the spots. The disease is favored and spread by wet weather. Bacterial Spot Dark, greasy spots form on leaves and stems. Small dark raised spots, sometimes with watersoaked margins form on the fruit.
Wet weather favors the disease and splashing water spreads it.
Anthracnose Anthracnose is common on ripe fruit and begins as small, circular, slightly sunken spots. The spots increase in size, the centers darken, and several spots may merge. Green fruit can become infected but symptoms don't appear until the fruit ripens. The disease is prevalent on overripe fruit in contact with the soil and is promoted by wet weather. The fruit develop brown, slightly sunken spots, about 1 inch in diameter.