SOIL ANALYSIS AND MYCOFLORA OF THE INDUSTRIAL YANBU-CITY, SAUDI-ARABIA

Twenty four isolates species belonging to eleven fungal genera were is olated from soil samples of ten localities from the industrial Yanbu c ity, Saudi Arabia. Aspergilli were predominant and represented by six species. Numbers of Aspergillus flavus and A. niger colonies were pred ominant as compared to the other detected Aspergillus spp. Alternaria and Penicillium were represented by 3 species each. While, two species of Curvularia, Fusarium, Mucor and Ulocladium were isolated. Cladospo rium, Drechslera, Neurospora and Rhizopus were represented by one spec ies each. Soil type is sandy, alkaline and differs in the organic matt er content, total soluble salts, moisture content and total metal cont ent.