TY - BOOK AU - Bharpoda, Tikamsinh Motisinh, TI - Evaluation of Threshold Based and Time Based Schedule of Insecticides to Control Fruit Borer Earias vittella Fabricius on Okra Abelmoschus esculentus (L.) Moench for Seed Production PY - 1989/// CY - Navsari PB - Agricultural Entomology Dept., N. M. C. A. ER -