Studies On Main Insect Pests Infesting Cowpea Plants In Sharkia Governorate

Survey of insects infesting cowpea plants. Relative susceptibility of cowpea varieties to insect pests. Efficiency of some insecticides alone and in mixtures with adjuvants against certain insect pests infesting cowpea plants. Effect of insecticides alone and in mixtuures with adjuvant substances on yield and total protein. Effect of adding adjuvants on plysico - chemical properties of the insecticides according to WHO methods and field dilution rate. Residuse determination of the insecticides used alone and in mixtures with adjuvants in cowpea, green pods (washed and unwashed).