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Research Journal of Microbiology
Year: 2008  |  Volume: 3  |  Issue: 7  |  Page No.: 520 - 534

Mesophilic Fungi and Mycotoxins Contamination of Libyanm Cultivated Four Fabaceae Seeds

M.S. Youssef, E.M. El-Mahmoudy and Maryam A.S. Abubakr    

Abstract: One hundred and forty three species in addition to 9 varieties belonging to 32 fungal genera were isolated and identified from 15 samples of each of broad bean, chickpea, kidney bean and sweet pea seeds collected from eight Shabias in Libya on 1% dextrose-Czapek`s agar medium at 28 ±2 °C using seed-plate method (3792 colonies 25 seeds-1, 29 fungal genera, 111 species and 2 varieties) and dilution-plate method (2330 colonies g-1 dry weight sample, 23 genera, 100 species and 7 varieties). The fungal genera of highest occurrence and their respective number of the species were Aspergillus (A. flavus, A. niger and A. fumigatus), Penicillium (P. chrysogenum), Mucor (M. hiemalis), Alternaria (A. alternata), Fusarium (F. oxysporum), Rhizopus (R. stolonifer) and Eurotium (E. chevalieri and E. repens). Mycotoxin assay proved that 16 samples (26.7%) out of 60 tested were toxic with different toxins and varying degrees of toxicity. No mycotoxins tested were detected in any chickpea seed samples investigated. It is the first report on mycoflora and mycotoxins of Fabaceae seeds in Libya, as well as 85 species in addition to 7 varieties belonging to 20 genera are new records to Libyan mycoflora.

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