1. Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia;
2. Botany Department, Faculty of Science, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt;
3. Botany Department, Faculty of Science, Tanta University, Tanta, Egypt;
4. Soil and Water Sciences Department, Faculty of Agriculture, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt