Mean corrected mortality (%) of grubs and adults of Epilachna vigintioctopunctata after combined application of spinosad and Azadirachta indica aqueous extract.

1: spinosad 1.5% + A. indica 5%; 2: spinosad 1.5% + A. indica 7.5%; 3: spinosad 1.5% + A. indica 10%; 4: spinosad 2% + A. indica 5%; 5: spinosad 2% + A. indica 7.5%; 6: spinosad 2% + A. indica 10%; 7: spinosad 2.5% + A. indica 5%; 8: spinosad 2.5% + A. indica 7.5%; 9: spinosad 2.5% + A. indica 10%. Means sharing similar letters for each time interval are not significantly different at P > 0.05.