TY - GEN AU - Palanichamy,K. TI - Studies on induced mutations in Oryza sativa in relation to the role of modifying factors and the rectification of certain defects in primitive cultivars KW - Oryza sativa KW - Defects KW - Varieties KW - Grain KW - Seed KW - Radiosensitivity KW - Mutation KW - Tillering KW - Spikelets KW - Seedlings ER -