A. Adhikari, D. Oli, P. Poudel, P. B. Magar, S. Pandit, A. Pokhrel, S.B. Gurung, J. Shrestha 1Himalayan College of Agricultural Sciences and Technology, Purbanchal University, Kathmandu, Nepal 2Montana State University, Department of Plant Sciences & Plant Pathology, Bozeman, USA