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Osmophilic fungi of desert soils in Saudi Arabia


100 osmophilic species in addition to two varieties which belong to 38 genera were isolated from desert soils of Saudi Arabia. The most prevalent genera were Asperngillus, Altemaria, Penicillium, Cephalosporium, Acremonium and Botryotrichum which occurred in 55–97.5% of the samples contributing 1.8–45.2% of total fungi. From the preceding genera A. amstelodami, A. fumigatus, A. terreus, A. niger, A. flavipes, A. repens, A. alternata, P. notatum, P. chrysogenum, P. citrinum, C.? racifi, A. strictum and B. atrogriseum were the most common. Five genera were recovered in moderate frequency namely, Ulocladium, Fusarium, Drechslera, Microascus, Syncephalastrum and Cladosporium which emerged in 25–42% of the samples comprising 0.7–2.8% of total fungi.

The results obtained in the present investigation reveal that the fungus flora of Saudi Arabian soils is of osmophilic nature.

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Abdel-Hafez, S.I.I. Osmophilic fungi of desert soils in Saudi Arabia. Mycopathologia 80, 9–14 (1982).

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  • Fusarium
  • Moderate Frequency
  • Penicillium
  • Saudi Arabia
  • Cladosporium