TY - BOOK AU - Nagaraju,V TI - Comprative study of pea(pisum sativum l.) lines with varitable resistance to powrey mildew(Erysiphe polygoni dc.)and rust (uromyces faboe (pers.)Diseases KW - Pisumsativum KW - erysiphe polygoni KW - uromices fabae KW - disease ER -