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Stem end rot of mango
It is a destructive disease of mange and it is known to occur in India and other mango growing countries. In India it was first described during 1945. Since then it has been observed in Delhi, Rajasthan, U.P` and other states. SymptomsEtiology
Diploidia natalensis (Pole Evans.) Epidemiology The fungus produces brown to black, globouse to sub globose, pyriform, erumpent pycnidia that are ostiolate. Two types of conidia are produced within a pycnidium. Hyline and olive-brown. The former are thin walled and unicellular, while the later are thick walled and bicelled with 4-6 longitudinal striations. Mode of spread and survival: the fungus persists in infected plant parts, which serve as source of inoculum. Management |
Last modified: Monday, 16 January 2012, 5:12 AM