top of page

Symptoms and Control measures.

Black mold


Black mold (Alternaria solani, Alternaria alternata) :

Fruit develop leathery or blackened areas, similar in appearance to blossom-end rot, but at the stem end of the fruit. Symptoms are most common late in the season, especially in wet conditions.Black fungal growth may also develop on existing wounds or lesionsOverripe tomato fruit may develop black mold caused by another species, Alternaria alternataSymptoms can range from small, dark blotches to large sunken areas

Lesions may develop soft, black fungal growth in warm, humid weather

Control:

Harvest scheduling to avoid holding overripe fruit in the field will reduce problems with black mold.

A high incidence of blossom-end rot provides an increased opportunity for mold growth.

bottom of page