1. Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, Saudi Arabia
2. Virus & Phytoplasma Research Department, Plant Pathology Research Institute, Agricultural Research Center, Giza, Cairo, Egypt
3. Biochemistry Department, Faculty of Agriculture, Cairo University, Giza, Cairo, Egypt
4. Biological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, Egypt