Abstract
Sporadic incidence of fruit rot disease of coconut (Cocos nucifera L.) was observed in a cultivator's garden at Cheppad, Alappuzha District of Kerala State, India, during January 1996. The associated fungus was identified as Lasiodiplodia (Botryodiplodia) theobromae (Pat.) Griffon and Maubl. Symptomatological features of the disease have been described. The fungus induced fruit rot on artificially inoculated nuts. It was re-isolated and the pathological role of the fungus in the disease has been confirmed.