TY - BOOK AU - Labh Singh TI - Virus vector and insecticide relationship of potato leaf-roll virus transmitted by Myzus persicae Sulzer U1 - T 633.491.975.2 L11V PY - 1980/// CY - Ludhiana PB - P.A.U KW - POTATO - DISEASES AND PESTS KW - POTATO LEAFROLL VIRUS ER -