Table 3. Repellent effect (%) (1, 24, and 48 h after treatment) of Origanum vulgare and Syzygium aromaticum essential oils on adult females of Tetranychus urticae in tomato and bean populations.

Essential oil	Populations	Concentration (%)	Repellency (%) and means of mites on the host leaves after exposure time (1, 24, and 48 h)
			1 h					24 h					48 h
			untreated	treated	t ratio	P-value	repellency	untreated	Treated	t ratio	P-value	repellency	untreated	treated	t ratio	P-value	repellency
Origanum vulgare	Bean	5	7.56 ± 0.14	2.40 ± 0.14	−24.53	<0001∗	51.83	6.56 ± 0.14	3.40 ± 0.14	−15.04	<0001∗	31.77	5.26 ± 0.18	4.73 ± 0.18	−2.03	=0.04∗	5.33
		2.5	6.80 ± 0.20	2.90 ± 0.17	−14.66	<0001∗	40.20	5.80 ± 0.20	4.20 ± 0.20	−5.65	<0001∗	16	4.63 ± 0.21	5.36 ± 0.21	2.45	=0.01∗	−7.3
	Tomato	2.5	4.80 ± 0.21	4.80 ± 0.27	0	=0.50	0	3.80 ± 0.22	5.80 ± 0.27	5.74	<0001∗	−20.83	4.13 ± 0.20	5.63 ± 0.22	4.99	<0001∗	−15.95
		1	5.33 ± 0.31	4.33 ± 0.35	−2.12	=0.03∗	10.34	4.30 ± 0.31	5.30 ± 0.35	2.11	=0.03∗	−10.41	4.63 ± 0.29	5.00 ± 0.33	0.82	=0.41	−3.80
Syzygium aromaticum	Bean	5	7.90 ± 0.18	1.90 ± 0.13	−25.70	<0001∗	61.22	6.90 ± 0.18	2.90 ± 0.13	−17.13	<0001∗	40.81	5.90 ± 0.18	4.10 ± 0.18	−25.70	<0001∗	18
		2.5	7.73 ± 0.15	2.00 ± 0.18	−23.94	<0001∗	58.90	6.73 ± 0.15	3.00 ± 0.18	−15.59	<0001∗	38.35	5.73 ± 0.15	4.16 ± 0.16	−6.96	<0001∗	15.82
	Tomato	2.5	3.60 ± 0.26	6.30 ± 0.26	7.22	<0001∗	−27.27	2.60 ± 0.26	7.30 ± 0.26	12.57	<0001∗	−47.47	2.86 ± 0.19	6.87 ± 0.19	14.42	<0001∗	−41.09
		1	2.30 ± 0.20	5.03 ± 0.13	11.25	<0001∗	−37.27	3.10 ± 0.17	6.90 ± 0.17	15.33	<0001∗	−38.00	3.33 ± 0.25	6.60 ± 0.27	8.65	<0001∗	−32.98

Notes.

* Significantly different between treated and untreated by t-test (mean ± SE, P < 0.05); SE means the standard error.