Table 3.
Changes in polyamine content in zoysiagrass under salt stress.
| Endogenous polyamines content (nmol/g−1 fw) | ||||
|---|---|---|---|---|
| Cultivar | Treatment | Put | Spd + Spm | (spd + spm)/Put |
| Z081 | Control | 1781 ± 49d | 1744 ± 83d | 0.98 ± 0.03c |
| NaCl | 2626 ± 101c | 4070 ± 60c | 1.55 ± 0.06b | |
| NaCl + 0.15 mM Spd | 2631 ± 17c | 4066 ± 41c | 1.55 ± 0.03b | |
| NaCl + 0.3 mM Spd | 2772 ± 56bc | 6220 ± 198a | 2.24 ± 0.12a | |
| NaCl + 0.45 mM Spd | 3072 ± 39a | 5204 ± 201b | 1.69 ± 0.09b | |
| NaCl + 0.6 mM Spd | 2972 ± 142ab | 4466 ± 164c | 1.50 ± 0.02b | |
| Z057 | Control | 1186 ± 30d | 1715 ± 57d | 1.45 ± 0.01c |
| NaCl | 2407 ± 51b | 4664 ± 188c | 1.94 ± 0.05b | |
| NaCl + 0.15 mM Spd | 2444 ± 21b | 4762 ± 146c | 1.95 ± 0.08b | |
| NaCl + 0.3 mM Spd | 2772 ± 36c | 7112 ± 317a | 3.1 ± 0.11a | |
| NaCl + 0.45 mM Spd | 2976 ± 28a | 5803 ± 205b | 1.95 ± 0.08b | |
| NaCl + 0.6 mM Spd | 2982 ± 21a | 4933 ± 167c | 1.65 ± 0.06c | |
The data represent the mean values ± standard error (SE) from at least three independent experiments. Means with different letters are significantly different at p < 0.05.