Seventy-five species and three varieties which belong to thirty-four genera were identified from 74 soil samples collected from salt marshes in Egypt. The most frequent fungi were Aspergillus fumigatus, Aspergillus niger, Cladosporium herbarum and Alternatia alternata, followed by Aspergillus terreus, Curvularia spicifera and Penicillium notatum. Six genera were of moderate occurrence: Penicillium, Fusarium, Curvularia, Rhizopus, Stachybotrys, and Chaetomium. Five genera were of low occurrence: Paecilomyces, Cephalosporium, Epicoccum, Mucor and Myrothecium.
The frequency of occurrence of keratinolytic fungi in seventy soil samples collected from different sites in Upper Egypt and in the coastal area of the Mediterranean and baited with human and animal hair and pigeon feathers was determined. Twenty-one species in addition to an unidentified species, which belong to sixteen genera were collected. Chrysosporium indicum, B. tropicum, C. keratinophilum and Microsporum gypseum were the most frequent fungal species recovered from baited soils. The eight soil samples collected from the salt marshes of the coastal Mediterranean area were completely free from any keratinolytic fungi, whereas the sixty-two soil samples collected from cultivated soils contributed a species ranging from one to four species.
The frequency of occurrence of keratinolytic fungi in seventy soil samples, collected from different sites in Upper Egypt and in the coastal area of the Mediterranean, was determined by baiting with human and animal hairs and pigeon feathers.Twenty-one species, in addition to an unidentified species, which belong to sixteen genera were collected. Chrysosporium indicum, C. tropicum, C. keratinophilum, and Microsporum gypseum were the most frequent fungal species recovered from the baited soils.The soil samples collected from the salt marshes of the coastal Mediterranean area were completely free from any keratinolytic fungi, whereas the soil samples collected from cultivated soils contributed species, ranging from one to four species.
73 species which belong to 24 genera were collected in 200 and 35 exposures made during the period May 1976-October 1977 at each of two levels (2 m and 20 m). The air-borne fungi showed seasonal periodicities and the highest incidence was recovered in spring and autumn and the least in the summer. Aspergillus was the dominating genus. 17 species were collected at the two levels of which A. niger and A. flavus were the most common. Other common genera were Cladosporium which was represented by C. herbarum, C. cladosporioides, C. sphaerospermum, and C. macrocarpum. 7 species of Curvularia were identified of which C. pallescens was the most frequent at the low and C. spicifera at the high level. Drechslera was represented by 6 species of which D. halodes was the most common at the two levels. Only one Alternaria species, A. alternata was isolated at both levels. 10 Penicillium were recovered, P. notatum was the most frequently one isolated at the two levels. Many fungal spore showers of Cladosporium, Aspergillus, Curvularia, and Alternaria were recorded during the experimental period.
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