Evaluation of larvicidal activity of the essential oil of Allium macrostemon Bunge and its selected major constituent compounds against Aedes albopictus (Diptera: Culicidae)

Table 2 Larvicidal activity of the essential oil of Allium macrostemon and its major constituents against fourth-instar larvae of Aedes albopictus

Treatment	LC₅₀(μg/ml)	LC₉₅(μg/ml)	Slope ± SD	Chi-square value
Treatment	(95% CL)	(95% CL)	Slope ± SD	Chi-square value
Essential oil	72.86	132.84	2.72 ± 0.27	7.73*
Essential oil	(66.02-78.67)	(126.76-145.17)	2.72 ± 0.27	7.73*
Dimethyl trisulfide	36.36	55.65	2.61 ± 0.26	10.60*
Dimethyl trisulfide	(33.23-39.64)	(49.43-61.27)	2.61 ± 0.26	10.60*
Methyl propyl disulfide	86.16	144.16	2.59 ± 0.25	8.94*
Methyl propyl disulfide	(79.53-91.43)	(130.22-155.82)	2.59 ± 0.25	8.94*
Chlorpyrifos	1.86	6.65	0.87 ± 0.01	3.13*
Chlorpyrifos	(1.71-2.05)	(6.21-7.48)	0.87 ± 0.01	3.13*

ISSN: 1756-3305