Ruta chalepensis L. Essential Oil Has a Biological Potential for a Natural Fight against the Pest of Stored Foodstuffs: Tribolium castaneum Herbst

Table 3

Percentage of repulsion (means ± standard deviation) of the essential oil of Ruta chalepensis L. against adults of Tribolium castaneum after various exposure periods.

Concentration (μl/ml)	5 min	10 min	15 min	20 min	25 min	df	F
0.023	00 ± 00 aA	13.33 ± 11.55 aA	40 ± 20 aB	86.67 ± 11.55 aC	100 ± 00 aC	4	43.678	0.000
0.031	20 ± 00 bA	26.67 ± 11.55 aA	80 ± 00 bB	100 ± 00 aC	100 ± 00 aC	4	173.198	0.000
0.038	46.67 ± 11.55 cA	80 ± 20 bB	100 ± 00 bB	100 ± 00 aB	100 ± 00 aB	4	15.238	0.000
df	2	2	2	2	2
F	36.957	16.788	21.00	3.988
	0.000	0.003	0.002	0.07