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).
Treatments
N0P0
1N1 : 1P1
1N1 : 2P1
1N1 : 3P1
1N2 : 1P2
1N2 : 2P2
1N2 : 3P2
N1
N2
P1
P2
Pt
Mean
F-LSD (0.05)
7
2.39
0.71
0.71
0.88
0.71
0.71
0.71
0.71
0.88
0.88
0.88
1.29
0.96
0.653
14
2.39
0.88
0.71
0.88
0.71
0.71
0.88
0.71
0.71
0.88
0.88
0.88
0.94
0.435
21
3.45
1.17
1.30
0.88
0.71
0.88
1.00
1.17
0.71
1.17
1.30
1.56
1.27
0.902
28
5.17
1.29
0.88
1.74
1.71
0.88
1.65
1.44
1.00
1.34
1.17
1.87
1..63
1.583
35
5.56
1.05
0.88
1.05
1.05
0.88
1.00
1.17
0.88
1.34
1.05
1.52
1.45
2.043
42
6.09
0.88
1.35
1.34
1.39
0.71
1.00
1.00
0.71
0.71
1.17
1.34
1.47
2.408
49
8.99
0.88
1.05
1.34
0.88
1.05
1.34
0.71
0.88
0.71
0.88
1.17
1.66
3.732
DAI = days after infestation. Data represents square root transformed values.