Document Type : Original articles
Authors
1 Botany Department,Faculty of Science, Zagazig University,Zagazig, Egypt
2 Botany Dept., Faculty of Sci., Damietta Univ., New Damietta, P.O. 34517, Egypt
3 Botany Department, Faculty of Science, Zagazig University, Zagazig, Egypt
4 Botany Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
Abstract
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