Table 2.
Micronuclear effects on the root tips of Vicia faba induced by pond water
| Spots | MCN‰ (¯x ± s) | Induced effects |
| Mumin | 13.3 ± 1.24b | + |
| Lingfan | 16.3 ± 4.73a | + |
| Bayang | 15.3 ± 2.52b | + |
| Liansui | 18.0 ± 2.00a | + |
| Ruilong | 9.7 ± 0.58a | + |
| Zhongyuan | 15.3 ± 2.50b | + |
| Busha | 16.0 ± 1.60a | + |
| Sairen | 20.0 ± 1.63a | + |
| Lailu | 5.0 ± 1.00 | - |
| Sanhe | 8.7 ± 1.15b | + |
| Dubang | 21.7 ± 4.16b | + |
| Jutun | 19.3 ± 1.53b | + |
| Tanlong | 18.0 ± 2.16b | + |
| Distilled water | 4.4 ± 0.58 | - |
| K2Cr2O7 | 25.0 ± 3.24b | + |
MCN of water from each spot was compared with distilled water (t test).
b
P < 0.01,
a
P < 0.05)