Sansevieria trifasciatashowing symptoms of leaf blight were observed in several states of Malaysia. Based on morphology andDNA sequences of the Internal Transcribed Spacer (ITS) region, nine isolates ofNeoscytalidium dimidiatumwere identified.Phylogenetic analysis grouped the isolates ofN. dimidiatumfromS. trifasciatawith the epitype ofNeoscytalidium dimidiatum(CBS499.66) from mango. Pathogenicity test showed that all isolates ofN. dimidiatumcaused leaf blight onS. trifasciataandfulfilled Koch’spostulates.

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• Characterisation of Neoscytalidium dimidiatum causing leaf blighton Sansevieria trifasciatain Malaysia