Table 1.
mL L−1 | 2 h | 4 h | 8 h | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Immotility | Mortality | Immotility | Mortality | Immotility | Mortality | |||||||
0 | 0.0 ± 0 | a 2 | 0.3 ± 0.3 | a | 0.3 ± 0.3 | a | 0.4 ± 0.4 | a | 0.4 ± 0.4 | a | 0.4 ± 0.4 | a |
0.0156 | 3.2 ± 0.6 | a | 2.8 ± 0.5 | a | 18.8 ± 1.0 | b | 13.0 ± 0.9 | b | 35.6 ± 0.5 | b | 25.1 ± 2.0 | b |
0.0312 | 5.3 ± 0.2 | a | 4.7 ± 0.3 | a | 31.7 ± 1.6 | c | 27.8 ± 0.9 | c | 56.0 ± 1.0 | c | 46.9 ± 2.0 | c |
0.0625 | 6.8 ± 0.7 | a | 5.0 ± 0.9 | a | 37.8 ± 1.5 | d | 35.9 ± 1.1 | d | 70.1 ± 3.0 | d | 57.2 ± 1.4 | d |
0.125 | 14.5 ± 0.2 | b | 13.6 ± 0.4 | b | 46.9 ± 0.9 | e | 58.3 ± 1.2 | e | 94.1 ± 3.6 | e | 66.7 ± 1.7 | e |
0.250 | 35.6 ± 1.8 | c | 28.1 ± 1.6 | c | 89.7 ± 1.7 | f | 72.6 ± 0.9 | f | 99.1 ± 0.7 | f | 91.0 ± 1.0 | f |
0.5 | 69.9 ± 5.4 | d | 61.9 ± 4.3 | d | 100 ± 0 | g | 100 ± 0 | g | 100 ± 0 | f | 100 ± 0 | g |
1.0 | 90.0 ± 1.7 | e | 83.6 ± 1.3 | e | 100 ± 0 | g | 100 ± 0 | g | 100 ± 0 | f | 100 ± 0 | g |
2.0 | 97.1 ± 1.5 | f | 97.1 ± 1.5 | f | 100 ± 0 | g | 100 ± 0 | g | 100 ± 0 | f | 100 ± 0 | g |
4.0 | 100 ± 0 | f | 100 ± 0.0 | f | 100 ± 0 | g | 100 ± 0 | g | 100 ± 0 | f | 100 ± 0 | g |
IC50 | 0.26 | - | - | - | 0.076 | - | - | - | 0.027 | - | - | - |
LC50 | - | - | 0.32 | - | - | - | 0.096 | - | - | - | 0.044 | - |
1 Values are means of four replicates ± standard error; 2 Means followed by the same letter on the same column are not significantly different according to the Least Significant Difference Test (p ≤ 0.05).