Table 4. Mean mortality rates of Origanum vulgare and Syzygium aromaticum essential oils on the bean population of Tetranychus urticae adult females after 1, 4, 8, 24, 72, and 120 h.

Treatment % essential oil (v/v)		Mean mortality (%) after
Bean population		1 h	4 h	8 h	24 h	72 h	120 h
O. vulgare essential oil
		0 ± 0.00 b	0 ± 0.00 e	0 ± 0.00 e	0 ± 0.00 e	4.90 ± 1.26 e	8.10 ± 1.46 e
	0.05	0 ± 0.00 b	0 ± 0.00 e	0 ± 0.00 e	0 ± 0.00 e	7.90 ± 0.67 e	19.60 ± 0.61 d
	0.10	0 ± 0.00 b	9.1 ± 0.69 d	12.50 ± 0.71 d	17.36 ± 1.88 d	29.99 ± 1.44 d	59.00 ± 1.39 c
	1	0 ± 0.00 b	19.30 ± 0.55 c	29.12 ± 3.08 c	36.23 ± 4.65 c	55.10 ± 1.26 c	87.30 ± 1.28 b
	2.5	0 ± 0.00 b	43.20 ± 2.71 b	54.90 ± 1.51 b	70.90 ± 1.05 b	86.40 ± 0.96 b	90.50 ± 0.83 b
	5	31.66 ± 2.11a	68.80 ± 2.30 a	85.40 ± 1.95 a	88.37 ± 2.00 a	100.00 ± 0.00 a	100.00 ± 0.00 a
	df	5, 54	5, 54	5, 54	5, 54	5, 54	5, 54
	F	224.62	335.29	430.16	273.02	1,444.69	1,341.20
	P	<0001	<0001	<0001	<0001	<0001	<0001
S.aromaticum essential oil
		0 ± 0.00 d	0 ± 0.00 d	0 ± 0.00 e	0 ± 0.00 e	10.50 ± 0.42 e	10.70 ± 0.39 f
	0.05	0 ± 0.00 d	0 ± 0.00 d	0 ± 0.00 e	0 ± 0.00 e	13.10 ± 0.69 e	17.60 ± 1.08 e
	0.10	8.26 ± 0.77 c	9.60 ± 0.81 c	10.70 ± 0.63 d	30.20 ± 0.87 d	50.90 ± 0.65 d	59.20 ± 1.47 d
	1	10.34 ± 0.64 c	12.10 ± 0.83 c	19.00 ± 1.01 c	41.30 ± 0.95 c	64.60 ± 1.15 c	73.60 ± 1.11 c
	2.5	20.80 ± 0.61 b	24.40 ± 0.88 b	33.20 ± 1.21 b	53.50 ± 1.05 b	70.50 ± 1.68 b	82.80 ± 1.41 b
	5	35.71 ± 1.10 a	57.60 ± 1.72 a	69.80 ± 2.60 a	88.32 ± 1.42 a	92.06 ± 1.21 a	100.00 ± 0.00 a
	df	5, 54	5, 54	5, 54	5, 54	5, 54	5, 54
	F	435.43	571.2	434.68	1,416.51	950.51	1,152.72
	P	<0001	<0001	<0001	<0001	<0001	<0001

Notes.

Means in columns followed by the same letters are not significantly different (Tukey-Kramer Test, P > 0.05) df = degrees of freedom.