Exposure time (hours) | Plant powders | Mortality percentage (mean ± SE) | ||||
---|---|---|---|---|---|---|
Concentration (g)/100 g of smoked catfish | ||||||
1 | 3 | 6 | 9 | 12 | ||
24 | T. diversifolia | 22.50 ± 1.35bc | 37.50 ± 2.25bc | 50.00 ± 3.04bc | 57.50 ± 3.25bc | 80.00 ± 3.04b |
V. amygdalina | 12.50 ± 1.35b | 27.50 ± 2.25b | 40.00 ± 2.04b | 50.00 ± 3.04b | 72.50 ± 3.35b | |
48 | T. diversifolia | 32.50 ± 2.35 cd | 47.50 ± 2.25 cd | 62.50 ± 3.35 cd | 72.50 ± 3.25c | 87.50 ± 3.2bc |
V. amygdalina | 27.50 ± 2.25c | 40.00 ± 2.04bc | 57.50 ± 3.25c | 67.50 ± 3.25c | 82.50 ± 3.35b | |
72 | T. diversifolia | 47.50 ± 3.25ef | 62.50 ± 3.35de | 77.50 ± 3.25ef | 87.50 ± 3.25d | 97.50 ± 2.25 cd |
V. amygdalina | 40.00 ± 2.04de | 57.50 ± 3.25d | 70.00 ± 3.04de | 82.50 ± 3.35d | 92.50 ± 3.35 cd | |
96 | T. diversifolia | 57.50 ± 3.25f | 80.00 ± 3.04f | 87.50 ± 3.25f | 97.50 ± 2.25d | 100.00 ± 0.00d |
V. amygdalina | 50.00 ± 3.04f | 70.00 ± 3.04ef | 82.50 ± 3.35f | 92.50 ± 3.35d | 97.50 ± 2.25d | |
Control | 00.00 ± 0.00a | 00.00 ± 0.00a | 00.00 ± 0.00a | 00.00 ± 0.00a | 00.00 ± 0.00a |