Potassium Nitrate | salinity | Germination percentage (%) | Germination speed (Number of germinated seeds in day) | Plumule length (cm) | Radicle length (cm) | Plumule fresh weight (g) | Radicle fresh weight (g) | Seed vigor (%) | Normal seedling percentage (%) |
zero | zero | 88.33a | 5.33a | 2.26a | 2.50a | 39.21a | 0.01a | 39.21a | 84.74a |
−2 | 70c | 5.03a | 2.23a | 2.10a | 30.50b | 0.009dc | 30.50ab | 81.66ab | |
−4 | 63.33cd | 4.94ab | 1.7b | 1bc | 17.23c | 0.009dc | 17.23d | 55.19d | |
−6 | 58.33d | 3.53c | 1.53b | 0.62cd | 0.02d | 0.007bc | 12.47d | 39.62e | |
−8 | 18.33e | 0.85d | 0c | 0d | 0d | 0d | 1.83e | 0f | |
0.2 percentage | zero | 81.66ab | 5.44a | 2.43a | 2.46a | 0.03d | 0.01a | 1.83e | 85.66a |
−2 | 80 ab | 5.22a | 2.30a | 2.16a | 0.04d | 0.008c | 36.01ab | 78ab | |
−4 | 76.66bc | 4.62b | 1.73b | 0.96 bc | 0.03d | 0.007bc | 21.01cd | 64.55c | |
−6 | 76.66bc | 4.44b | 1.33b | 0.63cd | 0.03d | 0.006b | 15.13d | 60.11cd | |
−8 | 8.33f | 0.32d | 0c | 0d | 0d | 0d | 0.83e | 0f | |
0.4 percentage | zero | 76.66bc | 5.94a | 2.10a | 2.50a | 0.03d | 0.01a | 34.81ab | 85.17a |
−2 | 78.33c | 4.86b | 2.13a | 1.36b | 0.28d | 0.008c | 27.11bc | 81.78ab | |
−4 | 75bc | 3.79c | 2.13a | 2.10a | 0.03d | 0.008c | 31.06e | 68.67c | |
−6 | 73bc | 4.21b | 1.36b | 0.6cd | 0.02d | 0.005b | 14.63d | 55.87d | |
−8 | 88.33a | 5.33a | 2.26a | 2.50a | 39.21a | 0.01a | 39.21a | 84.74a |