Table 4.
EO | Repellence index after 12 h treatment (%) (±SE) |
Repellence index after 24 h treatment (%) (± SE) |
Repellence index after 48 h treatment (%) (± SE) |
||||||
---|---|---|---|---|---|---|---|---|---|
300a | 600 | 900 | 300 | 600 | 900 | 300 | 600 | 900 | |
C. limonum | 71.9 ± 0.1 bb | 77.7 ± 4.0 b | 89.9 ± 1.9 a | 62.2 ± 3.0 b | 68.3 ± 4.2 b | 83.3 ± 1.9 a | 53.7 ± 2.2 a | 63.9 ± 3.6 b | 75.0 ± 2.9 a |
Cy. citratus | 41.8 ± 2.9 c | 51.4 ± 2.9 c | 63.1 ± 3.9 b | 35.1 ± 4.5 c | 44.5 ± 2.2 c | 55.0 ± 3.5 b | 28.4 ± 4.5 b | 37.1 ± 2.0 c | 45.7 ± 2.8 b |
L. cubeba | 83.1 ± 1.8 a | 90.0 ± 1.9 a | 95.1 ± 1.0 a | 73.5 ± 2.1 a | 80.6 ± 0.6 a | 88.5 ± 1.0 a | 59.4 ± 5.3 a | 71.2 ± 1.1 a | 77.3 ± 3.7 a |
M. fragrans | 37.7 ± 1.2 c | 51.7 ± 2.5 c | 59.1 ± 3.0 b | 31.6 ± 1.0 c | 41.8 ± 1.8 c | 47.6 ± 2.8 c | 24.3 ± 3.0 b | 33.7 ± 2.3 c | 41.33 ± 1.3 b |
Control | 0 d | 0 d | 0 c | 0 d | 0 d | 0 d | 0 c | 0 d | 0 c |
F4,10 | 110.9 | 173.5 | 252.0 | 120.4 | 183.2 | 255.8 | 46.5 | 171.0 | 156.2 |
P | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
a µg/cm2 filter paper.
b Means within a column followed by the different letter differ significantly (P < 0.05) according to analysis of variance (ANOVA). The number of insects tested for each treatment was 90.