Table 1.
The effects of high light intensity of different LED treatments on A: Assimilation rate (for harvest stage (p ≤ 0.001), for light treatment (p = 0.003) for interaction between light treatments and harvest stage (p = 0.605)). B: Stomatal conductance (for harvest stage (p ≤ 0.001), for light treatments (p ≤ 0.001) and for interaction between light treatments and harvest stage (p ≤ 0.001)). C: transpiration rate LSD for harvest stage (p = 0.06) for treatments (p = 0.066), and for interaction light treatments and harvest stage (p = 0.001). D: Shoot fresh weight (g) (for harvest stages (p ≤ 0.001), for treatment (p = 0.003) and for interaction between harvest stage and light treatments (p = 0.08)). E: Root fresh weight (g) for harvest (p ≤ 0.001) for light treatments (p = 0.083) and interaction (p = 0.31). F: Leaves number (for harvest stage (p ≤ 0.001), for light treatment (p = 0.199) and for interaction between harvest stage and light treatments (p = 0.153)).
| Light Treatment | Harvest Stage | Growth and Physiological Parameters | ||||||
|---|---|---|---|---|---|---|---|---|
| Assimilation Rate (μmol m−2 s−1) | Stomatal Conductance (mmol m−2 s−1) | Transpiration Rate (mmol m−2 s−1) | Shoot Fresh Weight (g) | Leaves Number | Root Fresh Weight (g) | |||
| Blue/Red (B435/R663) | Harvest stage 1 | 6.58 ± 0.31 | 0.5 ± 0.150 | 1.19 ± 0.021 | 84.9 ± 6.84 | 39.37 ± 4.30 | 8.6 ± 0.67 | |
| Harvest stage 2 | 3.94 ± 0.33 | 0.38 ± 0.054 | 1.54 ± 0.106 | 165.30 ± 2.44 | 69.67 ± 6.09 | 11.62 ± 1 | ||
| Blue/Red (B450/R663) | Harvest stage 1 | 5.03 ± 0.43 | 0.23 ± 0.024 | 1.20 ± 0.066 | 77.36 ± 8.83 | 25.25 ± 3.03 | 3.96 ± 0.87 | |
| Harvest stage 2 | 1.95 ± 0.31 | 0.12 ± 0.012 | 1.23 ± 0.092 | 119.22 ± 2.45 | 67.83 ± 6.24 | 7.61 ± 0.64 | ||
| Blue/Red treatment (B/R-rich) | Harvest stage 1 | 6.90 ± 0.47 | 1.09 ± 0.162 | 1.48 ± 0.074 | 60.31 ± 11.98 | 24.5 ± 4.52 | 4.22 ± 0.37 | |
| Harvest stage 2 | 2.76 ± 0.36 | 0.20 ± 0.017 | 2.05 ± 0.126 | 137.01 ± 2.44 | 71.67 ± 8.86 | 8.83 ± 1.19 | ||
| LSD | Harvest stage | 2.41 | 0.40 | Not significant | 40.49 | 10.17 | 4.39 | |
| Light treatment | 1.96 | 0.33 | 1.25 | 33.06 | Not significant | Not significant | ||
| Interaction between light treatment and harvest stage | Not significant | 0.23 | 0.70 | Not significant | Not significant | Not significant | ||