Table 6.

Toxicity effect of various compounds against the second instar crawlers of P. lilacinus.

	Percent mortality (mean ± SE) at different concentrations after 96 h
Compounds	5,000 ppm	2,500 ppm	1,250 ppm	625 ppm	312.5 ppm	Pooled mean
1-Cyclohexyl-2-pyrrolidone	92 ± 8.37	80 ± 7.07	70 ± 7.07	62 ± 13.04	46 ± 8.94	70.00 ± 18.03 ab
Camphene	74 ± 19.49	62 ± 21.68	52 ± 8.37	46 ± 11.40	36 ± 13.42	54.00 ± 19.58 e
Cinnamaldehyde	96 ± 5.48	86 ± 8.94	68 ± 13.04	60 ± 10.00	48 ± 4.47	71.60 ± 19.51 a
Citral	82 ± 20.49	72 ± 13.04	60 ± 12.25	50 ± 12.25	40 ± 12.25	60.80 ± 20.19 bcde
Geraniol	98 ± 4.47	84 ± 8.94	74 ± 8.94	64 ± 11.40	46 ± 8.94	73.20 ± 19.73 a
L-carvone	84 ± 8.94	64 ± 16.73	56 ± 5.48	50 ± 7.07	40 ± 14.14	58.80 ± 18.33 cde
L-limonene	90 ± 10.00	80 ± 10.00	72 ± 4.47	58 ± 8.37	48 ± 10.95	69.60 ± 17.44 ab
L-menthol	94 ± 5.48	80 ± 7.07	70 ± 7.07	60 ± 7.07	48 ± 10.95	70.40 ± 17.67 ab
β-myrcene	98 ± 4.47	88 ± 4.47	78 ± 8.37	62 ± 13.04	48 ± 8.37	74.80 ± 19.82 a
Ocimene	90 ± 10.00	78 ± 10.95	70 ± 7.07	60 ± 12.25	48 ± 8.37	69.20 ± 17.30 abc
α-terpinene	90 ± 12.25	78 ± 21.68	62 ± 4.47	56 ± 11.40	40 ± 12.25	65.20 ± 21.63 abcd
β-terpinene	72 ± 16.43	62 ± 10.95	56 ± 8.94	46 ± 19.49	40 ± 15.81	55.20 ± 17.82 de
Pooled mean	88.33 ± 1.46 a	76.17 ± 1.46 b	65.67 ± 1.46 c	56.17 ± 1.46 d	44.00 ± 1.46 e
Compounds	F 11, 299 = 9.92; p < 0.0001
Concentrations	F 4, 299 = 138.44; p < 0.0001
Compound × Concentrations	F 44, 299 = 0.33; p > 0.05

Mean of five replications: Means followed by the same letters within a column are not statistically significant (p > 0.05) by Tukey’s HSD.