Evaluation of the Effect of Four Bioactive Compounds in Combination with Chemical Product against Two Spider Mites Tetranychus urticae and Eutetranychus orientalis(Acari: Tetranychidae)

Table 2

LD₅₀ values calculated for Tetranychus urticae and Eutetranychus orientalis.

Spider mites species	Sample	LD50 (µl/L air, 24 h, 95% CI)	Slope (24 h)	Intercept (24 h)	df	X2	LD50 (µl/L air, 48 h, 95% CI)	df	X2	Slope (48 h)	Intercept (48 h)
Tetranychidae urticae	M. pulegium	65.78 (44.63–10110.12)	1.69 ± 0.17	1.93 ± 0.38	4	4.21	56.1 (33.8–69.5)	4	4.68	1.86 ± 0.18	1.75 ± 0.41
	L. stoechas	100.03 (85.88–120.12)	1.80 ± 0.24	1.41 ± 0.55	4	2.64	85.35 (65.15–115.12)	4	2.89	1.87 ± 0.27	1.38 ± 0.60
	R. officinalis	171.87 (163.24–184.96)	1.59 ± 0.41	1.44 ± 0.91	4	1.95	141.51 (120.39–162.10)	4	2.28	1.67 ± 0.48	1.40 ± 0.07
	O. compactum	87.92 (68.15–99.65)	1.29 ± 0.27	2.50 ± 0.56	4	3.92	79.72 (58.9–95.42)	4	4.10	1.79 ± 0.33	1.27 ± 0.75
	Chemical acaricide	36.25 (27.77–52.48)	1.42 ± 0.37	2.79 ± 0.83	4	4.62	32.09 (19.81–61.10)	4	4.9	1.72 ± 0.35	2.21 ± 0.78
Eutetranychus orientalis	M. pulegium	59.10 (40.5–78.9)	1.86 ± 0.15	1.71 ± 0.35	4	3.99	47.37 (39.80–63.65)	4	4.51	1.91 ± 0.19	1.80 ± 0.42
	L. stoechas	120.87 (101.19–146.62)	1.79 ± 0.14	1.26 ± 0.31	4	1.98	100.35 (85.98–121.72)	4	2.15	1.75 ± 0.15	1.50 ± 0.33
	R. officinalis	88.2 (66.6–112.24)	1.76 ± 0.28	1.57 ± 0.63	4	3.10	82.44 (70.06–109.2)	4	3.84	1.89 ± 0.24	1.43 ± 0.54
	O. compactum	112.77 (89.5–135.7)	2.36 ± 0.24	0.16 ± 0.54	4	2.92	96.85 (81.45–140.16)	4	3.8	2.38 ± 0.27	0.28 ± 0.61
	Chemical acaricide	34.07 (25.10–50.23)	1.49 ± 0.29	2.72 ± 0.62	4	4.49	29.15 (17.43–29.65)	4	4.95	1.47 ± 0.27	2.84 ± 0.57