Identification of Insecticidal Constituents from the Essential Oil of Valeriana jatamansi Jones against Liposcelis bostrychophila Badonnel

Table 2

Contact and fumigant toxicity of the essential oil of Valeriana jatamansi and its isolated compounds against Liposcelis bostrychophila.

	Treatments	LC50	95% FL*	Slope ± SE	Chi square (𝜒^2)
Contact (𝜇g/cm^2)	V.  jatamansi	236.39	217.43–255.89	12.78±1.33	7.92
	Isovaleric acid	426.34	391.76–476.43	8.63±0.82	9.88
	3-Methylvaleric acid	210.69	289.91–230.14	12.40±1.31	11.76
	Patchoulol	61.35	56.53–66.06	16.63±1.96	10.36
	Pyrethrum extract	18.99	17.56–20.06	7.64±1.05	—
Fumigant (mg/L)	V.  jatamansi	5.98	5.37–6.41	11.72±1.60	12.88
	Isovaleric acid	5.67	5.23–6.27	11.66±1.38	7.12
	3-Methylvaleric acid	5.53	5.01–5.98	14.12±1.58	11.56
	Patchoulol	>7.00	—	—	—
	Dichlorvos	1.35×10^−3	1.25–1.47×10^−3	6.87±0.77	—

∗Fiducial limits.