Table 2.

LC₅₀ values (μL/L) of nine essential oils from Lamiaceae against R. dabieshanensis.

EOs	Con. (μL/L)	Mortality (% ± SD)	LC30 (95%CL *)	LC50 (95%CL)	LC90 (95%CL)	χ 2
S. sclarea	0.16	15.00 ± 8.66	0.604 (0.480–0.726)	1.015 (0.854–1.199)	3.605 (2.812–5.081)	17.571
	0.31	28.33 ± 10.41
	0.63	55.00 ± 22.91
	1.25	81.67 ± 7.64
	2.50	96.67 ± 2.89
R. officinalis	1.00	0.00 ± 0.00	1.670 (1.494–1.805)	1.904 (1.755–2.051)	2.625 (2.391–3.046)	24.728
	1.50	28.33 ± 7.64
	2.00	36.67 ± 2.89
	2.50	90.00 ± 10.00
	3.00	100.00 ± 0.00
T. serpyllum	0.08	26.67 ± 16.07	0.092 (0.066–0.116)	0.137 (0.108–0.166)	0.360 (0.282–0.531)	24.147
	0.16	53.33 ± 15.28
	0.31	86.67 ± 18.93
	0.63	98.33 ± 2.89
	1.25	100.00 ± 0.00
M. spicata	0.04	26.67 ± 7.64	0.043 (0.035–0.051)	0.060 (0.051–0.068)	0.129 (0.109–0.165)	9.890
	0.08	66.67 ± 10.41
	0.16	95.00 ± 8.66
	0.31	100.00 ± 0.00
	0.63	100.00 ± 0.00
M. officinalis	0.16	3.33 ± 5.77	0.425 (0.331–0.516)	0.564 (0.462–0.695)	1.126 (0.880–1.705)	29.770
	0.31	13.33 ± 7.64
	0.63	46.67 ± 15.28
	1.25	98.33 ± 2.89
	2.5	100.00 ± 0.00
O. majorana	0.31	10.00 ± 5.00	0.684 (0.570–0.795)	1.029 (0.890–1.188)	2.799 (2.294–3.647)	10.082
	0.63	18.33 ± 2.89
	1.25	60.00 ± 5.00
	2.5	91.67 ± 5.77
	5	96.67 ± 2.89
M. piperita	0.15	36.67 ± 10.41	0.187 (0.090–0.268)	0.321 (0.209–0.432)	1.209 (0.812–2.809)	34.831
	0.3	38.33 ± 5.77
	0.6	51.67 ± 10.41
	0.9	93.33 ± 7.64
	1.2	96.67 ± 5.77
O. basilicum	0.04	31.67 ± 7.64	0.036 (0.019–0.047)	0.048 (0.032–0.061)	0.096 (0.074–0.173)	37.174
	0.08	93.33 ± 7.64
	0.16	95.00 ± 8.66
	0.31	100.00 ± 0.00
	0.63	100.00 ± 0.00
L. angustifolia	0.16	10.00 ± 0.00	0.444 (0.338–0.551)	0.690 (0.556–0.865)	2.027 (1.492–3.270)	21.971
	0.31	11.67 ± 2.89
	0.63	41.67 ± 8.93
	1.25	70.00 ± 13.23
	2.5	100.00 ± 0.00

CL *: confidence limit which has been calculated with 95% confidence.