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Abstract
Thirty-two fungal species were isolated from soil samples which belong to ten genera. These fungal genera belong to three division: Ascomycotina, Deuteromycotina and Zygomycotina. Ascomycotina represented by eighteen fungal species related to two genera: Aspergillus and Penicillium, while the class Deuteromycotina was represented by thirteen species related to seven genera: Fusarium, Trichoderma, Cladosporium, Alternaria, Stachybotrys, Helminthosporium and Epicocum. Zygomycotina was the least class which represented by one species belong to one genera which was Cunninghamella.
2- The obtained results showed also that the highest number of genera, species and the highest total fungal viable count were recorded in soil sample number five which cultivated with Triticum sativum and contained seven genera and twelve species with total viable count 35.33x103 colonies forming unites (CFU)/gm dry soil. On the other hand, the poorest soil in total fungal count was soil No.1 which contain 14.66x103 (CFU/gm. 3- Aspergillus was the most dominant genus and it was represented in all soil samples with total viable count 109.31x103 (CFU/gm) which represented 44.26% of all fungal isolates. Fusarium was the second most dominant genus with total count 44.66 x103 (CFU/gm) which represented 18.08% of the total fungal viable count. Penicillium was also observed in seven soil samples with total fungal viable count 40.00 x103 (CFU/gm) which represented 16.19% of all total fungal count . Cladosporium, Alternaria, Stachybotrys and Trichoderma were found in.