Centrol Potato Research Station, Rajgurunagar, Maharashtra, India
*Present addrrss: Scientist S-1 (Plant Pathology), National Centre for Mushroom Research & Training, Chambaghat, solan-173213 (H. P.).
**Scientist S-2 (Entomology), Central Potato Research Station, P. O. Modipuram-250110, Meerut (U.P.)
