Table 1.
Phenotypic variation for Cd accumulation in 419 accessions of Brassica napus.
| Trait | Environment | Minimum | Maximum | Mean | SD | CV (%) | Skewness | Kurtosis | h2 (%) |
|---|---|---|---|---|---|---|---|---|---|
| SCC | E1 | 106.2 | 337.39 | 210.67 | 43.01 | 20.42 | 0.09 | -0.36 | 85.3 |
| E2 | 109 | 463.11 | 224.80 | 50.87 | 22.63 | 0.76 | 1.04 | 85.3 | |
| E3 | 142.18 | 396.88 | 257.55 | 45.34 | 17.61 | 0.56 | 0.39 | 85.3 | |
| RCC | E1 | 728.57 | 3047.02 | 1690.86 | 394.18 | 23.31 | 0.46 | 0.46 | 78.1 |
| E2 | 642.79 | 3404.59 | 1697.46 | 507.83 | 29.92 | 0.66 | 0.33 | 78.1 | |
| E3 | 767.53 | 3847.2 | 1882.24 | 489.14 | 25.99 | 0.55 | 0.62 | 78.1 | |
| CT | E1 | 0.19 | 0.57 | 0.37 | 0.08 | 20.55 | 0.05 | -0.38 | 69.8 |
| E2 | 0.16 | 0.67 | 0.39 | 0.10 | 26.84 | 0.19 | -0.61 | 69.8 | |
| E3 | 0.14 | 0.65 | 0.40 | 0.08 | 20.00 | -0.32 | 0.38 | 69.8 | |
Trait: RCC, root Cd concentration (μg g-1); SCC, shoot Cd concentration (μg g-1); CT, Cd translocation coefficient. RCC and SCC are expressed in dry weight (DW) basis. Environment: E1, greenhouse in 2013; E2, greenhouse in 2014; E3, natural environment in 2014. SD, standard deviation; CV (%), coefficient of variation; h2, heritability of mean values.