Table 4.
Inhibitory rate of Cystoseira tamariscifolia EO on Microcystis aeruginosa.
| Treatments | Inhibition Rate (%) | |||||
|---|---|---|---|---|---|---|
| Time (Days) | ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| MIC | 68.0 ± 0.4 *** | 87.6 ± 0.4 *** | 90.2 ± 0.5 *** | 95.4 ± 0.1 *** | 96.16 ± 0.08 *** | 97.85 ± 0.05 *** |
| MBC | 74 ± 1 *** | 89.9 ± 0.2 *** | 94.4 ± 0.3 *** | 97.8 ± 0.1 *** | 98.81 ± 0.07 *** | 99.24 ± 0.07 *** |
| CuSO4 | 71 ± 2 *** | 88.9 ± 0.2 *** | 94.12 ± 0.07 *** | 97.54 ± 0.05 *** | 98.5 ± 0.02 *** | 98.87 ± 0.01 *** |
| DMSO | −0.3 ± 0.5 | −0.08 ± 1.67 | −0.15 ± 0.39 | −1.0 ± 0.6 | −1 ± 2 | −1.1 ± 0.9 |
MIC: minimum inhibitory concentration of C. tamariscifolia EO (7.81 μg mL−1) and MBC: minimum bactericidal concentration of C. tamariscifolia EO (15.62 μg mL−1). Each value representing mean ± SD of three replicates, *** p < 0.001 indicate significant differences compared with DMSO.