Morphological characters of fungi have been considered as primary criteria in distinguishing the species. Spores isolated from the infected leaves of Sesamum exhibited great variation in their morphology. Single spore culture was obtained from the seasamum Infeeted leaf spot on 20 per cent potato dextrose agar medium In vitro mycelium grew very rapidly and aporulation started after 4 to 5th day of inoculation and the observations mentioned as below:
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