Abstract
This research aimed to investigate growth ability of some fungal species on media with crude oil residue. The isolated the fungi were in this research of soil contaminated with oil residues and accompanying to rhizosphere for some existing plants in these soils , Five fungal species were selected depending on the frequency and ratio appearance highs in contaminated sites studied for testing on growth in the media of contaminated with different concentrations of crude oil(1%,2% vol/vol) , and to identify the efficiency in carrying contaminated .
 Concerning growth ability on crude oil, all tested fungi (Aspergillus terreus, Aspergillus flavus, Fusarium konzum, Penicillium italicum and Trichoderma harzianum) were found to have this ability but significant difference in this respect were observed between these species. However, Trichoderma. harzianum showed better and faster growth on different concentrations of crude oil in comparison with other fungi studies.
 Keywords : Tested fungi, Growth ability of fungi ,meadia crude oil residue, Rhizosphere.
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