PJB-2007-249
BIODIVERSITY OF THE ENDOPHYTIC FUNGI ISOLATEDFROM CALOTROPIS PROCERA (AIT.) R. BR.
REZWANA KHAN1,3, SALEEM SHAHZAD2, M. IQBAL CHOUDHARY3, SHAKEEL A. KHAN1 AND AQEEL AHMAD1*
Abstract
Calotropis procera (Ait.) R. Br., a widely used medicinal plant in Indian sub-continent, was investigated for endophytic mycoflora as a possible source of bioactive secondary metabolites. Four hundred seventy three segments from 9 plants of Calotropis procera, collected from different locations of Karachi University campus during 2003-2005, were processed for the presence of endophytic fungi. A total of 8 fungal species viz., Aspergillus flavus, A. niger, Aspergillus sp., Penicillium sublateritium, Phoma chrysanthemicola, P. hedericola, Phoma sp., and Candida albicans were isolated. Among the endophytic flora, Phoma was the most prominent genus. Interestingly, no endophyte was isolated from 118 leaves samples and overall colonization frequency from surface sterilized stem was 8.86%.
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