Table 7.
Effect of MWCNTs on activities of sucrose synthetase (SS) and sucrose phosphate synthase (SPS) under saline-alkali stress in rice.
| Treatments | Index | 0h | 24h | 48h | 72h | 96h | 120h |
|---|---|---|---|---|---|---|---|
| CK | SS (mol g−1 FW h−1) |
23.74±0.45a | 25.98±0.63b | 26.26±0.37d | 28.62±0.51c | 26.72±0.37d | 24.11±0.34c |
| MWCNTs | 24.66±0.24a | 31.38±0.57a | 32.82±0.44b | 31.98±0.34b | 28.98±0.36c | 27.54±0.31b | |
| SA | 24.15±0.65a | 20.10±0.56c | 27.42±0.21c | 26.22±0.27d | 30.06±0.31b | 22.86±0.24d | |
| MWCNTs+SA | 24.42±0.67a | 24.78±0.43b | 33.66±0.53a | 34.98±0.24a | 34.14±0.28a | 30.30±0.26a | |
| CK | SPS (mol g−1 FW h−1) |
28.70±0.34a | 30.13±0.57b | 28.01±0.34c | 27.65±0.26c | 29.22±0.33c | 31.78±0.24b |
| MWCNTs | 28.99±0.32a | 33.49±0.27a | 36.01±0.41a | 35.21±0.33b | 35.92±0.41a | 39.42±0.28a | |
| SA | 27.70±0.67a | 24.48±0.34c | 21.11±0.43d | 26.04±0.37d | 26.44±0.32d | 22.66±0.33c | |
| MWCNTs+SA | 28.72±0.74a | 34.15±0.24a | 32.16±0.38b | 36.41±0.22a | 33.88±0.31b | 30.88±0.38b |
*Means within the same row followed by the different small letters show that there are significant differences at p<.05.