Research Article
Preservation of Cowpea (Vigna unguiculata (L.) Walp) Grains
against Cowpea Bruchids (Callosobruchus maculatus) Using Neem and
Moringa Seed Oils
Table 2
Interaction effects of oil types and various concentrations of the oils on total weevil population of cowpea after different storage periods.
| | Oil type | Concentration (mL) | | | | | 0.0 | 0.5 | 1.0 | 1.5 | Mean | LSD at 0.05 | Prob. of F |
| | | | 30 Days | | | | |
| | PN | 250.70 | 23.30 | 22.00 | 22.70 | | | | | PM | 141.70 | 59.30 | 31.00 | 22.70 | | | | | NM1 : 1 | 406.70 | 23.70 | 28.30 | 25.70 | | | | | NM1 : 2 | 431.70 | 23.70 | 22.00 | 23.00 | | | | | NM1 : 3 | 264.70 | 23.70 | 23.70 | 25.70 | 94.80 | 71.41 | <0.001 |
| | 60 Days | |
| | PN | 4988.00 | 0.00 | 0.00 | 0.00 | | | | | PM | 2497.00 | 407.00 | 72.00 | 2.00 | | | | | NM1 : 1 | 2870.00 | 1.00 | 1.00 | 2.00 | | | | | NM1 : 2 | 2863.00 | 1.00 | 1.00 | 0.00 | | | | | NM1 : 3 | 2108.00 | 2.00 | 0.00 | 0.00 | 790.80 | 324.30 | <0.001 |
| | 90 Days | |
| | PN | 442.00 | 0.00 | 0.00 | 0.00 | | | | | PM | 852.00 | 629.00 | 368.00 | 0.00 | | | | | NM1 : 1 | 557.00 | 4.00 | 0.00 | 2.00 | | | | | NM1 : 2 | 378.00 | 1.00 | 0.00 | 0.00 | | | | | NM1 : 3 | 439.00 | 0.00 | 0.00 | 0.00 | 183.60 | 278.90 | 0.156 |
| | 120 Days | |
| | PN | 0.00 | 0.00 | 0.00 | 0.00 | | | | | PM | 0.00 | 361.00 | 65.00 | 0.00 | | | | | NM1 : 1 | 0.00 | 13.00 | 0.00 | 0.00 | | | | | NM1 : 2 | 0.00 | 0.00 | 0.00 | 0.00 | | | | | NM1 : 3 | 0.00 | 0.00 | 0.00 | 0.00 | 22.00 | 202.20 | 0.337 |
| | 150 Days | |
| | PN | 0.00 | 0.00 | 0.00 | 0.00 | | | | | PM | 0.00 | 28.70 | 152.70 | 0.00 | | | | | NM1 : 1 | 0.00 | 13.30 | 0.00 | 0.00 | | | | | NM1 : 2 | 0.00 | 0.00 | 0.00 | 0.00 | | | | | NM1 : 3 | 0.00 | 0.00 | 0.00 | 0.00 | 9.70 | 95.83 | 0.501 |
| | 180 Days | |
| | PN | 0.00 | 15.30 | 104.70 | 0.00 | | | | | PM | 0.00 | 15.30 | 104.00 | 0.00 | | | | | NM1 : 1 | 0.00 | 3.30 | 0.00 | 0.00 | | | | | NM1 : 2 | 0.00 | 0.00 | 0.00 | 0.00 | | | | | NM1 : 3 | 0.00 | 0.00 | 0.00 | 0.00 | 12.10 | 90.24 | 0.683 |
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PN = pure neem.
PM = pure moringa.
NM 1 : 1 = neem-moringa oil in ratio 1 : 1.
NM 1 : 2 = neem-moringa oil in ratio 1 : 2.
NM 1 : 3 = neem-moringa oil in ratio 1 : 3.
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