E.M. Soliman
College of Environmental Studies and Research, Ain Shams University

S.M. Abdelrasoul
Soil, Water and Environmental Research Institute, Agri. Res. Center, Giza Egypt

M.M. Elkholy
Soil, Water and Environmental Research Institute, Agri. Res. Center, Giza Egypt

Nahla A.Khalifa
Soil, Water and Environmental Research Institute, Agri. Res. Center, Giza Egypt

Mohamed H. Sharaf
Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo 11651, Egypt.

Saad M. Moghannem
Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo 11651, Egypt

M. El-Shazly
Pharmacognosy Department, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt. Department of Pharmaceutical Biology, Faculty of Pharmacy and Biotechnology, the German University in Cairo, Cairo 11835, Egypt