Table 5.

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

	Percent mortality (mean ± SE) at different concentrations after 72 h
Compounds	5,000 ppm	2,500 ppm	1,250 ppm	625 ppm	312.5 ppm	Pooled mean
1-Cyclohexyl-2-pyrrolidone	82 ± 13.04	72 ± 4.47	58 ± 4.47	46 ± 13.42	38 ± 4.47	59.20 ± 18.47 abc
Camphene	68 ± 17.89	56 ± 15.17	44 ± 13.42	38 ±18.37	30 ± 7.07	47.20 ± 18.15 de
Cinnamaldehyde	94 ± 5.48	74 ± 13.42	58 ± 10.95	44 ± 13.42	36 ± 8.94	61.20 ± 23.50 ab
Citral	68 ± 14.83	58 ± 14.83	40 ± 7.07	32 ± 13.04	24 ± 5.48	44.40 ± 19.81 e
Geraniol	92 ± 8.37	72 ± 8.37	62 ± 8.37	50 ± 7.07	36 ± 5.48	62.40 ± 20.67 ab
L-carvone	80 ± 14.14	54 ± 8.94	46 ± 5.48	38 ± 8.37	30 ± 12.25	49.60 ± 19.89 cde
L-limonene	84 ± 13.42	74 ± 5.48	64 ± 8.94	50 ± 10.00	42 ± 8.37	62.80 ± 17.92 ab
L-menthol	90 ± 7.07	74 ± 8.94	66 ± 5.48	56 ± 5.48	46 ± 11.40	66.40 ± 17.05 a
β-myrcene	86 ± 11.40	80 ± 7.07	68 ± 8.37	52 ± 8.37	40 ± 10.00	65.20 ± 19.39 a
Ocimene	84 ± 8.94	62 ± 13.04	54 ± 11.40	46 ± 5.48	36 ± 13.42	56.40 ± 19.34 abcd
α-terpinene	82 ± 10.95	66 ± 16.73	52 ± 10.95	42 ± 17.89	30 ± 10.00	54.40 ± 22.38 bcde
β-terpinene	64 ± 19.49	54 ± 11.40	48 ± 13.04	42 ± 14.83	36 ± 18.17	48.80 ± 17.40 de
Pooled mean	81.17 ± 1.43 a	66.33 ± 1.43 b	55.00 ± 1.43 c	44.67 ± 1.43 d	35.33 ± 1.43 e
Compounds	F 11, 299 = 11.58; p < 0.0001
Concentrations	F 4, 299 = 159.28; p < 0.0001
Compound × Concentrations	F 44, 299 = 0.65; 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.