Potassium nitrate levels | 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 | 58.66a | 3.93a | 1.54a | 1.24a | 17.39a | 0.008a | 20.25a | 2.24a |
0.2 % | 64.66a | 4.01a | 1.56a | 1.24a | 0.30b | 0.007a | 19.94a | 57.66a |
0.4 % | 64.33a | 3.89a | 1.54a | 1.31a | 0.07b | 0.007a | 21.89a | 58.30a |