Preservation of Cowpea (Vigna unguiculata (L.) Walp) Grains against Cowpea Bruchids (Callosobruchus maculatus) Using Neem and Moringa Seed Oils

Table 3

Interaction effects of oil types and various concentrations of the oils on the percentage of uninfested 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	0.30	92.50	84.70	95.10
PM	9.40	42.00	80.60	88.80
NM1 : 1	0.00	77.80	59.20	81.70
NM1 : 2	0.00	80.00	81.70	90.30
NM1 : 3	0.40	75.00	83.30	80.30	60.20	17.42	<0.001
60 Days
PN	0.00	92.20	87.00	93.70
PM	0.00	17.70	38.80	90.30
NM1 : 1	0.00	67.30	57.30	71.60
NM1 : 2	0.00	74.90	76.20	81.30
NM1 : 3	0.00	78.50	78.10	86.80	54.60	23.46	0.002
90 Days
PN	0.00	92.90	88.80	94.40
PM	0.00	5.20	26.70	91.50
NM1 : 1	0.00	63.40	61.40	76.70
NM1 : 2	0.00	73.10	64.90	77.00
NM1 : 3	0.00	74.20	80.90	90.00	53.50	19.64	<0.001
120 Days
PN	0.00	91.50	78.10	89.20
PM	0.00	0.00	3.20	88.90
NM1 : 1	0.00	58.40	61.40	73.70
NM1 : 2	0.00	65.50	76.80	75.30
NM1 : 3	0.00	75.70	77.40	80.70	49.80	14.58	<0.001
150 Days
PN	0.00	90.60	87.30	93.20
PM	0.00	0.00	0.00	89.10
NM1 : 1	0.00	47.80	65.20	78.50
NM1 : 2	0.00	73.80	69.70	73.20
NM1 : 3	0.00	74.40	81.30	83.90	50.40	18.14	<0.001
180 Days
PN	0.00	90.30	88.70	88.50
PM	0.00	0.00	0.00	93.90
NM1 : 1	0.00	44.60	64.70	74.30
NM1 : 2	0.00	77.70	72.80	75.30
NM1 : 3	0.00	76.90	81.80	81.40	55.50	16.93	<0.001

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.