Termiticidal activity of oil from Jatropha curcas L. and Azadirachta indica A. Juss against Coptotermes sjostedti Holmgren (Isoptera: Rhinotermitidae)

Bulletin of the National Research Centre

Table 4 Termiticidal efficacy of A. indica, J. curcas, and Solignum on Coptotermes sjostedti (Isoptera: Rhinotermitidae) in seven wood species

Termiticide	Conc	Termite mortality at 96 h after exposure (%)
Termiticide	Conc	AT	GA	BN	PB	PA	TS	CP
A. indica	5	41.60 ± 1.20f	47.33 ± 3.45d	47.00 ± 0.58d	43.00 ± 1.53d	40.00 ± 1.16e	43.33 ± 0.88e	43.91 ± 0.71e
	10	70.62 ± 1.76e	50.59 ± 1.60d	67.10 ± 1.49c	55.00 ± 2.89c	64.17 ± 0.46d	67.67 ± 1.45d	62.84 ± 1.62d
	15	72.60 ± 3.70d	55.00 ± 2.89c	68.33 ± 1.67c	58.33 ± 0.41c	66.33 ± 1.86c	71.67 ± 4.41cd	80.04 ± 1.12c
J. curcas	5	82.64 ± 3.70c	87.67 ± 1.45b	82.33 ± 2.45b	81.67 ± 2.03c	82.67 ± 3.46bc	75.00 ± 2.89c	80.76 ± 1.06c
	10	93.00 ± 5.16ab	90.00 ± 4.15ab	90.30 ± 3.15ab	92.00 ± 1.15ab	95.00 ± 1.16a	90.00 ± 2.70ab	100.00 ± 0.00a
	15	95.30 ± 3.30ab	92.67 ± 3.72ab	95.33 ± 2.67a	94.00 ± 3.15a	96.00 ± 0.56a	94.33 ± 2.96a	100.00 ± 0.00a
Solignum	5	90.00 ± 1.15b	90.33 ± 3.67ab	90.30 ± 3.15ab	88.33 ± 1.67b	88.33 ± 1.67b	86.67 ± 2.67b	85.91 ± 1.31b
	10	97.30 ± 2.67a	96.33 ± 3.18a	96.67 ± 2.33a	95.50 ± 2.68a	94.00 ± 3.05a	91.33 ± 4.09ab	100.00 ± 0.00a
	15	98.50 ± 0.00a	98.80 ± 1.00a	97.00 ± 2.40a	98.30 ± 0.86a	98.60 ± 1.20a	96.67 ± 1.33a	100.00 ± 0.00a
Control	0	0.00 ± 0.00g	0.00 ± 0.00e	0.00 ± 0.00e	0.00 ± 0.00e	0.00 ± 0.00f	0.00 ± 0.00f	0.00 ± 0.00f
P		< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001

AT, Antiaria toxicera; GA, Gmelina arborea; BN, Baphia nitida; PB, Parkia biglobosa; PA, Pycnanhus angolensis; TS, Terminalia superba; CP, Ceiba pentandra;
Data (%) were transformed (arcsine) before the analysis of variance; Means (± Standard error) are values of four replicates; Means with the same lower case alphabet in a column are not significantly different from each other (DNMRT: P > 0.05); ^bconcentration (mL/ 100 m³ of wood surface); P = Probability value