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

Table 3 Lethal concentration (LC₅₀) of A. indica, J. curcas, and Solignum on adult Coptotermes sjostedti (Isoptera: Rhinotermitidae)

Time (h)	Termiticide	Slope ± SE	LC₅₀ (95% FL)	χ²	P
12	A. indica	0.66 ± 0.32	215.78 (52.40–1.43E + 08)	0.05	0.951
	J. curcas	0.83 ± 0.34	138.70 (41.12–4.80E + 06)	0.03	0.855
	Solignum	0.81 ± 0.38	113.23 (38.23–1.60E + 05)	0.06	0.808
24	A. indica	0.76 ± 0.31	138.70 (41.17–4.81E + 06)	0.03	0.855
	J. curcas	0.99 ± 0.28	36.08 (21.36–416.45)	0.12	0.729
	Solignum	0.87 ± 0.28	36.23 (20.51–383.22)	0.61	0.436
36	A. indica	0.81 ± 0.29	72.45 (30.08–1.08E + 04)	0.14	0.714
	J. curcas	1.58 ± 0.27	14.29 (12.01–18.96)	3.70	0.554
	Solignum	0.99 ± 0.26	9.71 (7.52–13.12)	0.02	0.878
48	A. indica	0.94 ± 0.28	33.66 (20.08–215.62)	0.43	0.514
	J. curcas	0.93 ± 0.26	5.30 (2.49–7.05)	0.29	0.592
	Solignum	0.86 ± 0.26	4.74 (1.67–6.59)	0.01	0.908
60	A. indica	0.95 ± 0.27	21.59 (14.98–67.01)	0.53	0.468
	J. curcas	1.01 ± 0.27	2.75 (0.72–4.31)	0.52	0.469
	Solignum	1.03 ± 0.27	2.73 (0.74–4.26)	0.02	0.888
72	A. indica	1.06 ± 0.27	12.26 (9.82–18.30)	0.85	0.358
	J. curcas	1.38 ± 0.29	2.50 (1.03–3.70)	0.01	0.908
	Solignum	1.14 ± 0.30	1.65 (0.290–2.96)	0.14	0.709
84	A. indica	1.79 ± 0.27	7.70 (6.55–8.79)	2.06	0.151
	J. curcas	1.00 ± 0.31	0.95 (0.03–2.24)	0.35	0.552
	Solignum	1.06 ± 0.32	0.96 (0.05–2.20)	0.02	0.884
96	A. indica	1.01 ± 0.27	6.19 (5.13–7.07)	1.64	0.200
	J. curcas	0.35 ± 0.29	0.05 (0.01–1.71)	0.15	0.697
	Solignum	0.26 ± 0.29	0.02 (0.00–0.04)	0.13	0.721

N = 50 termites; SE, standard error; LC: Lethal concentration (mLkg⁻¹); FL, Fiducial limits; χ², Chi-square value, P, Probability value; h, hours