1. Faculty of Agriculture, Plant Pathology Department, Damietta University, Damietta, Egypt;
2. Faculty of Science, Botany and Microbiology Department, Benha University, Benha, Egypt;
3. Faculty of Agriculture, Plant Pathology Department, Ain Shams University, Shoubra EL-Kheima, Cairo, Egypt;
4. Molecular Biology Department, National Research Centre, Dokki, Giza, Egypt