Table 16.

T-test comparison of the averages number of mosquitoes in the two zones: control and treated with racemic 7-sec-butoxychromone (10), R-(−)-7-sec-butoxychromone (14), and S-(+)-7-sec-butoxychromone (15).

Compounds	Quantity (mg)	Treated ± SD	Control ± SD	t	p-Value	AI (%)
Racemic 7-sec-butoxychromone	5	3.3 ± 0.1	7.3 ± 0.4	−12.8	0.0002	71.1
	10	3.6 ± 0.4	7.2 ± 0.9	−4.52	0.01	71.8
	30	3.4 ± 0.9	8.3 ± 0.5	−5.43	0.006	78
	60	1.8 ± 0.2	11.8 ± 0.7	−16.5	<0.0001	90.6
R-(−)-7-sec-butoxychromone	5	3.1 ± 0.1	9.5 ± 0.3	−25.12	<0.0001	84
	10	2.3 ± 0.7	11 ± 0.3	−16.4	<0.0001	88.9
	30	1.4 ± 0.1	12.4 ± 0.1	−93.3	<0.0001	92.2
	60	1.6 ± 0.2	12.2 ± 0.1	−66.7	<0.0001	92
S-(+)-7-sec-butoxychromone	5	9.0 ± 0.2	4.8 ± 0.5	10.4	0.0004	91.7
	10	8.9 ± 1.1	4.2 ± 0.9	4.03	0.016	87.2
	30	3.3 ± 0.2	9.3 ± 0.8	−8.8	0.001	83.3
	60	2.0 ± 0.0	11.4 ± 0.8	−15.6	<0.0001	89.4

AI: Activity index; SD: Standard deviation.