DR. MD. ABU ASHRAF KHAN
Professor
Department of Plant Pathology, 
Bangabandhu   Sheikh     Mujibur Rahman Agricultural 
University, Gazipur 1706,  Bangladesh.
Telephone No. 880 9205310-14 
Extn. 2100, Cell.: 8801711-19345
mail: ashraf@bsmrau.edu.bd