Document Type : Original Article
Authors
1 Demonstrator in Botany and microbiology department, Faculty of Science, Al-azhar university
2 Botany and Microbiology Department Faculty of Science Al_Azhar University
3 Botany and Microbiology Dept., Faculty of Science, Al-Azhar University
4 Botany and Microbiology Dept., Faculty of Science (Boys), Al-Azhar University
Abstract
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