Table 1.
Performances of salt tolerance related traits measured at germination and seedling stages of the 208 rice germplasms.
| Trait1 | Mean ± SD | Range | CV (%) |
|---|---|---|---|
| RL(cm) | 0.90 ± 0.21 | 0.10–2.30 | 26.6 |
| SL (cm) | 2.46 ± 0.43 | 0.80–4.20 | 21.7 |
| GR (%) | 29.4 ± 9.5 | 0.0–85.0 | 36.1 |
| RDW (g) | 0.02 ± 0.00 | 0.02–0.06 | 22.1 |
| SDW (g) | 0.10 ± 0.00 | 0.06–0.17 | 21.2 |
| SST | 7.42 ± 1,27 | 3.00–9.00 | 16.1 |
| SSD (d) | 9.42 ± 0.60 | 7.50–13.10 | 9.3 |
| RNC (mM) | 1.32 ± 0.20 | 0.38–1.99 | 27.1 |
| SNC (mM) | 2.12 ± 0.46 | 0.49–3.92 | 26.2 |
| RKC (mM) | 0.41 ± 0.00 | 0.07–1.01 | 26.7 |
| SKC (mM) | 0.53 ± 0.3 | 0.12–1.21 | 29.1 |
| RNK | 2.31 ± 1.35 | 0.09–3.92 | 28.5 |
| SNK | 2.95 ± 0.96 | 0.94–3.80 | 29.8 |
1RL: root length, SL: seedling length, GR: germination rate, RDW: root dry weight, SDW: seedling dry weight, SST: score for salt toxicity symptoms, SSD: seedling survival days, RNC: root Na+ concentration, SNC: shoot Na+ concentration, RKC: root K+ concentration; SKC: shoot K+ concentration, RNK: ratio of Na+ to K+ concentrations in roots; SNK: ratio of Na+ to K+ concentrations in shoots.