TY - BOOK AU - THOMAS JOHN AU - Dr. P KARUNAKARAN TI - STUDIES ON THE LEAF SPOT DISEASES OF OIL PALM (Elaeis guineensis jacq.) IN KERALA U1 - J:4 N89 TH 48 PY - 1989/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF PLANT PATHOLOGY ER -