Research Article

The Insecticidal Activity of Neem and Palm Kernel Oils on Bean Weevil (Callosobruchus maculatus F.) (Coleoptera: Chrysomelidae: Bruchinae) Infestations of Stored Cowpea (Vigna unguiculata L. Walp)

Table 2

Effect of treatments on the oviposition of adult C. maculatus (DAI).

TreatmentsN0P01N1 : 1P11N1 : 2P11N1 : 3P11N2 : 1P21N2 : 2P21N2 : 3P2N1N2P1P2PtMeanF-LSD (0.05)

72.390.710.710.880.710.710.710.710.880.880.881.290.960.653
142.390.880.710.880.710.710.880.710.710.880.880.880.940.435
213.451.171.300.880.710.881.001.170.711.171.301.561.270.902
285.171.290.881.741.710.881.651.441.001.341.171.871..631.583
355.561.050.881.051.050.881.001.170.881.341.051.521.452.043
426.090.881.351.341.390.711.001.000.710.711.171.341.472.408
498.990.881.051.340.881.051.340.710.880.710.881.171.663.732

DAI = days after infestation. Data represents square root transformed values.