1. Prof. Dr. Nafisa El Mahi Ahmed, (Plant Pathologist),

Crop Protection Center, Agricultural Research Corporation, P.O. Box: 126 Wad Medani, Sudan.

Mobile: +249-91-2362002.

E.mail: nafisaahmed@yahoo.com,
               nafahmed@yahoo.com,
2.  Prof. Dr. Adel Ali El Hussein, (Microbiologist),

Department of Botany, Faculty of Science, University of Khartoum, P.O. Box: 321 PC: 11115, Khartoum, Sudan.

Mobile: + 249-91-232845.

E. mail: adilelhussein@hotmail.com
3.  Prof. Dr. Sayadat El Tigani Ahmed, (Plant Physiologist), Department of Botany, Faculty of Science, University of Khartoum, P.O. Box: 321 PC: 11115, Khartoum, Sudan.

Mobile: + 249-91-2608241.

E. mail: alicooooo5@hotmail.com