2Plant Pathology Dept., (B. T. R. S.) Institute of Agriculture, Anand.
3of the Plant Pathology Dept., B.A. College of Agriculture, Anand.
Institute of Agriculture, Anand
1Part of the thesis submitted by the senior author and approved for award of the M. Sc. (Agri.) degree by the Sardar Patel University, Vallabh Vidyanagar, 1967.
