Table 2.
Morphological parameters of plants grown under 12 h lighting (200 µmol m–2 s–1 red + 50 µmol m–2 s–1 blue, 06:00–18:00) and CL (200 µmol m–2 s–1 red, 06:00–18:00 + 50 µmol m–2 s–1 blue, 18:00–06:00).
| Time of Measurement | 18 DIT | 55 DIT | ||
|---|---|---|---|---|
| Light Treatment | 12 h Lighting | Continuous lighting | 12 h Lighting | Continuous Lighting |
| Plant Height (cm) | 68.3 ± 1.6 B | 79.7 ± 0.9 A | 217.8 ± 2.9 B | 230.4 ± 3.0 A |
| Stem Diameter (mm) | 9.4 ± 0.1 A | 9.5 ± 0.3 A | – | – |
| Number of Leaves/Plant | 10 B | 11 A | 24 A | 24 A |
| Length of 5th Leaf (cm) | 43.8 ± 1.0 A | 41.4 ± 0.8 A | 43.1 ± 0.5 A | 41.1 ± 0.1 A |
| Width of 5th Leaf (cm) | 43.0 ± 2.1 A | 41.3 ± 0.4 A | 42.9 ± 1.0 A | 43.4 ± 0.7 A |
| Length of 10th Leaf (cm) | – | – | 51.3 ± 0.4 A | 48.1 ± 0.2 B |
| Width of 10th Leaf (cm) | – | – | 65.3 ± 1.4 A | 61.3 ± 1.6 A |
Parameters represent measurements taken at two time points during the life cycle of the plants. Values represent the mean ± the standard error of the mean with n = 4. Different letters (A, B) represent a significant difference within a time point of a given parameter at p < 0.05.