Table 1.
Growth and growth percentage inhibition values for strain H17 cultivated in different metal concentrations.
| Strain H17 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Metal | Cu | Zn | Pb | ||||||
| ppm | Growth rate 1 | Growth inhibition 2 | SD 3 | Growth rate 1 | Growth inhibition 2 | SD 3 | Growth rate 1 | Growth inhibition 2 | SD 3 |
| PDA | 0.8 | (-) | ± 0.017 | 0.8 | (-) | ± 0.017 | 0.8 | (-) | ± 0.017 |
| 50 | (-) | (-) | (-) | 0.8 | 5 | ± 0.030 | (-) | (-) | (-) |
| 100 | 0.7 | 13 | ± 0.017 | (-) | (-) | (-) | 0.8 | 4 | ± 0.010 |
| 150 | (-) | (-) | (-) | 0.6 | 22 | ± 0.007 | (-) | (-) | (-) |
| 250 | (-) | (-) | (-) | 0.4 | 49 | ± 0.053 | (-) | (-) | (-) |
| 300 | 0.4 | 50 | ± 0.013 | (-) | (-) | (-) | 0.7 | 11 | ± 0.011 |
| 350 | (-) | (-) | (-) | 0.3 | 65 | ± 0.017 | (-) | (-) | (-) |
| 500 | 0.4 | 55 | ± 0.037 | 0.2 | 79 | ± 0.015 | 0.7 | 14 | ± 0.007 |
| 700 | 0 | 100 | ± 0 | 0.1 | 86 | ± 0.01 | 0.7 | 15 | ± 0.010 |
| 1000 | 0 | 100 | ± 0 | (-) | (-) | (-) | 0 | 100 | ± 0 |
| 1400 | 0 | 100 | ± 0 | (-) | (-) | (-) | 0 | 100 | ± 0 |
(-): Not determined; (0): No growth. All treatments were tested in triplicate. Values showed the average growth rate (cm/day) 1, growth inhibition (%) 2, and ± standard deviation (SD )3. PDA: Potato Dextrose Agar.