| Genotype | Salt level | Treatments | RWC (%) | Electrolyte leakage (%) | Proline (µmol・g−1 FW) |
| Bulldog 505 | Control (0 salt) | Control (0 salt) | 48.10 ± 0.41 | 51.03 ± 3.32 | 2.90 ± 0.74 |
| 10 dS・m−1 | Seaweed extract | 43.51 ± 0.63 | 63.29 ± 0.53 | 2.08 ± 0.87 | |
| Humic acid | 43.47 ± 3.2 | 81.84 ± 0.73 | 2.27 ± 0.04 | ||
| Potassium sulfate | 31.65 ± 0.10 | 76.40 ± 1.34 | 3.16 ± 0.30 | ||
| 15 dS・m−1 | Seaweed extract | 42.74 ± 0.53 | 65.57 ± 1.78 | 3.61 ± 0.50 | |
| Humic acid | 34.43 ± 1.29 | 69.50 ± 1.01 | 1.98 ± 0.49 | ||
| Potassium sulfate | 41.63 ± 0.85 | 80.43 ± 1.14 | 2.20 ± 0.36 | ||
| Mesa-Sirsa | Control (0 salt ) | Control (0 salt) | 46.28 ± 0.07 | 74.45 ± 0.87 | 1.83 ± 0.14 |
| 10 dS・m−1 | Seaweed extract | 44.71 ± 1.21 | 81.43 ± 0.22 | 1.58 ± 0.21 | |
| Humic acid | 46.03 ± 3.53 | 87.96 ± 1.69 | 2.06 ± 0.21 | ||
| Potassium sulfate | 45.77 ± 5.05 | 87.46 ± 0.24 | 2.67 ± 0.20 | ||
| 15 dS・m−1 | Seaweed extract | 34.42 ± 0.22 | 75.85 ± 1.86 | 2.44 ± 0.17 | |
| Humic acid | 39.66 ± 1.79 | 81.35 ± 1.45 | 4.12 ± 0.25 | ||
| Potassium sulfate | 40.71 ± 0.38 | 83.57 ± 2.27 | 1.76 ± 0.27 |