TY - BOOK AU - BIPEN Kumar TI - Investigations on root-rot and head rot of Sunflower (Helianthus annuus L.) U1 - T 633.85 B54I PY - 1991/// CY - Ludhiana PB - PAU KW - SUNFLOWERS -- DISEASES AND PESTS KW - FUNGOUS DISEASES OF PLANTS KW - FUNGUS KW - PL. PATHOLOGY KW - ROOT - ROT KW - SUNFLOWER N2 - The incidence of Rhizopus head rot was maximum in Jalandhar and Kapurthala districts while that of root rot was maximum in the districts of Ferozepur and Faridkot The predominant pathogens associated with head rot were Rhizopus oryzae and Sclerotinia scle ER -