Characterization and identification of Alternaria spp. causing foliar blight and black rot in carrot

Carrot (Daucus carota L.) of plant family Apiaceae is a most popular and commonly used vegetable worldwide because of its multiple uses. This crop suffers greatly due to a number of diseases from seedling to maturity stage in which the diseases caused by Alternaria spp. are one of them. Two types of diseases occur in serious farm on this carrot crop, one is the Alternaria leaf (foliar) blight caused by Alternaria dauci and the other one, Alternaria black rot in which two species, Alternaria radicina and A. carotiincultae are involved in the causation of this disease.