Table 3 Effects of sowing date on photosynthetic characteristics of different E. plantagineum varieties at flowering stage. (2020–2022).
Variety | Sowing date | Pn (μmol m–2 s–1) | Gs (mol m–2 s–1) | Ci (μmol mol–1) | Tr (mmolm–2 s–1) | WUE (%) | Ls |
|---|---|---|---|---|---|---|---|
Blue bedder | T1 | 45.43 ± 0.32a | 0.55 ± 0.03b | 154.00 ± 6.56e | 8.06 ± 0.08a | 5.64 ± 0.04a | 0.58 ± 0.02a |
T2 | 45.33 ± 0.26a | 0.61 ± 0.01ab | 162.33 ± 2.33de | 7.96 ± 0.55ab | 5.75 ± 0.41a | 0.56 ± 0.00ab | |
T3 | 44.33 ± 0.35b | 0.64 ± 0.00ab | 163.00 ± 2.89de | 7.79 ± 0.25abc | 5.70 ± 0.21a | 0.55 ± 0.01ab | |
T4 | 43.77 ± 0.19bc | 0.65 ± 0.03ab | 168.67 ± 4.33de | 7.79 ± 0.15abc | 5.63 ± 0.13a | 0.53 ± 0.01bc | |
T5 | 43.37 ± 0.26c | 0.67 ± 0.06ab | 188.00 ± 6.25bc | 7.6 ± 0.17abc | 5.71 ± 0.16a | 0.49 ± 0.01de | |
Mixed bedding | T1 | 40.07 ± 0.34e | 0.74 ± 0.05a | 211.67 ± 4.70a | 7.12 ± 0.30bc | 5.65 ± 0.19a | 0.44 ± 0.01f. |
T2 | 41.90 ± 0.26d | 0.58 ± 0.01b | 177.00 ± 0.58 cd | 7.24 ± 0.16abc | 5.79 ± 0.16a | 0.52 ± 0.00bcd | |
T3 | 41.37 ± 0.15d | 0.58 ± 0.06b | 195.33 ± 3.84b | 7.03 ± 0.27c | 5.91 ± 0.24a | 0.48 ± 0.01e | |
T4 | 42.13 ± 0.41d | 0.64 ± 0.06ab | 185.00 ± 7.51bc | 7.75 ± 0.09abc | 5.44 ± 0.08a | 0.50 ± 0.02cde | |
T5 | 41.77 ± 0.13d | 0.58 ± 0.03b | 194.00 ± 3.00b | 7.41 ± 0.17abc | 5.64 ± 0.13a | 0.48 ± 0.01e | |
Source of variance | |||||||
Variety | ** | ns | ** | ** | ns | ** | |
Sowing date | * | ns | ** | ns | ns | ** | |
Variety × sowing date | ** | * | ** | ns | ns | ** | |
