Table 2.
Effects of triacontanol spray on gas exchange attributes of Hot pepper plants under salt stress.
| Treatments | Pn rate | CO2 rate | Cirate | Tr rate | |
|---|---|---|---|---|---|
| T0 | Control | 25.04 ± 0.93 | 0.82 ± 0.05a | 358.68 ± 0.73a | 9.17 ± 1.01a |
| T1 | 75 mM NaCl (S) | 16.22 ± 1.04b | 0.47 ± 0.03b | 323.72 ± 4.98a | 6.06 ± 0.76b |
| T2 | Triacontanol 25 µM + S | 18.63 ± 0.78b | 0.54 ± 0.02ab | 347.04 ± 18.02a | 7.13 ± 0.58ab |
| T3 | Triacontanol 50 µM + S | 19.24 ± 2.37b | 0.64 ± 0.06ab | 352.05 ± 12.23a | 7.24 ± 0.74ab |
| T4 | Triacontanol 75 µM + S | 21.02 ± 2.42ab | 0.71 ± 0.22ab | 346.35 ± 19.61a | 7.46 ± 0.65ab |
Means sharing the same letter for a parameter, do not differ significantly at p ≤ 0.05; Pn = photosynthesis rate; Tr = transpiration rate; Ci = internal CO2.