Table 3.
Effect of MWCNTs on xanthophyll cycle components (A,V,Z) and ratio under saline-alkali stress in rice (120 h).
| Treatments | Violaxanthin (V) (mmol.mol−1chl) |
Antheraxanthin (A) (mmol.mol−1chl) |
Zeaxanthin (Z) (mmol.mol−1chl) |
V+A+Z (mmol.mol−1chl) |
(A+Z)/(V+A+Z) |
|---|---|---|---|---|---|
| CK | 42.51±0.25b | 3.21±0.16d | 6.07±0.15d | 51.79±0.23c | 0.179±0.12c |
| MWCNTs | 46.15±0.13a | 4.76±0.14c | 8.11±0.19c | 59.02±0.24b | 0.218±0.16c |
| SA | 22.23±0.21d | 6.42±0.12b | 12.28±0.24b | 40.93±0.18d | 0.457±0.21b |
| MWCNTs+SA | 28.24±0.27c | 12.09±0.15a | 28.53±0.16a | 68.86±0.15a | 0.590±0.14a |
*Means within the same row followed by the different small letters show that there are significant differences at p<.05.