Department of botany and agricultural biotechnology, faculty of agriculture, University of Khartoum, Khartoum, Sudan.

Postal code: 13314, Shambat, Sudan

Email: sayedaali@yahoo.com, Tel: 00249912613281

       2-Dr. Elhadi Ali Ibrahim Elkhalil (Associate Professor)

Faculty of agriculture (Deputy Dean), University of Khartoum, Khartoum, Sudan.

Postal code: 13314, Shambat, Sudan

E.mail: eaikhalil@yahoo.com, Tel: 00249915902523