Table 4.
Effect of MWCNTs on gas exchange parameters (Pn,gs,Tr,WUE,Ls,Ci) under saline-alkali stress in rice (120 h).
| Treatments | Pn | gs | Tr | WUE | Ls | Ci |
|---|---|---|---|---|---|---|
| CK | 13.26±0.22a | 0.92±0.05a | 5.26±0.25a | 3.45±0.05c | 0.81±0.04a | 225.3±6.25a |
| MWCNTs | 14.87±0.14a | 0.95±0.06a | 5.37±0.24a | 3.86±0.04c | 0.89±0.05a | 245.1±6.32a |
| SA | 7.26±0.25c | 0.62±0.04c | 1.86±0.13c | 4.35±0.03b | 0.45±0.06c | 135.6±5.24c |
| MWCNTs+SA | 11.36±0.16b | 0.75±0.05b | 2.68±0.15b | 5.75±0.04a | 0.62±0.04b | 177.4±5.85b |
*Means within the same row followed by the different small letters show that there are significant differences at p<.05.