TY - GEN AU - Patel,M.B. TI - Biology and control of insect vectors Bemisia tabaci Gennadius and Aphis craccivora Koch on cowpea, Vigna unguiculata ( Linn ) Walp and greengram, Vigna radiata Linn Wilczek KW - Vigna radiata KW - Biology KW - Aphis craccivora vigna unguiculata KW - Bemisia tabaci KW - Field experimentation KW - Intercropping KW - Carbofuran KW - Insecticides KW - Diseases ER -