Table 1. Effects of Cd stress on bioconcentration factor (BCF), translocation factor (TF) and tolerance index (TI) of three R. communis cultivars and S. nigrum in hydroponic conditions.
| Plants | Cd treatment | BCF |
TF (%) | TI (%) | |
|---|---|---|---|---|---|
| root | shoot | ||||
| Zibo.5 | 2ppm | 1107.2 ± 211.6a | 38.5 ± 8.7a | 3.5 ± 0.6 a | 104.7 ± 9.4a |
| 5ppm | 900.2 ± 75.0b | 31.9 ± 6.7a | 3.5 ± 0.7a | 97.0 ± 9.1a | |
| Zibo.6 | 2ppm | 521.2 ± 168.3b | 20.7 ± 4.6b | 4.0 ± 1.3b | 141.5 ± 15.0a |
| 5ppm | 679.4 ± 65.3a | 46.5 ± 2.8a | 6.9 ± 0.8a | 89.4 ± 11.8b | |
| Zibo.8 | 2ppm | 662.7 ± 99.3b | 41.3 ± 5.7a | 6.2 ± 0.1a | 84.1 ± 15.8a |
| 5ppm | 824.0 ± 86.8a | 33.9 ± 4.7b | 4.1 ± 0.9b | 83.1 ± 6.0a | |
| S. nigrum | 2ppm | 452.1 ± 123.1b | 117.2 ± 11.2a | 25.9 ± 8.9a | 37.9 ± 9.4b |
| 5ppm | 753.6 ± 70.3a | 61.4 ± 8.7b | 8.2 ± 1.0b | 59.8 ± 11.3a | |
Mean values (n = 3) with different letters in the same column for each cultivar are significantly different according to the independent samples T-test (p < 0.05).