Table 1.
Biomass and plant height of green and red holy basil at vegetative stage (35 DAT) and flowering stage (42 DAT) under different light spectrum ratios (3R:1B, 1R:1B, 2R:1G:2B, and 1R:3B).
| Cultivar | Light treatment | Fresh weight (g) | Dry weight (g) | Height (cm) | |||
|---|---|---|---|---|---|---|---|
| Vegetative | Flowering | Vegetative | Flowering | Vegetative | Flowering | ||
| Green | 3R:1B | 12.59 ± 0.30a | 36.08 ± 2.072a | 1.65 ± 0.07 | 4.23 ± 0.15a | 19.5 ± 0.93a | 33.21 ± 2.56a |
| 1R:1B | 13.89 ± 1.56a | 25.19 ± 1.96b | 1.86 ± 0.29 | 2.96 ± 0.63bc | 21.17 ± 1.34a | 27.04 ± 2.65ab | |
| 2R:1G:2B | 11.19 ± 1.23ab | 39.89 ± 3.68a | 1.41 ± 0.13 | 3.94 ± 0.34a | 19.08 ± 0.85a | 32.25 ± 2.66a | |
| 1R:3B | 8.46 ± 0.41b | 21.57 ± 1.98b | 1.18 ± 0.13 | 2.65 ± 0.23c | 13.79 ± 1.07b | 22.54 ± 1.71b | |
| Red | 3R:1B | 6.16 ± 0.73 | 15.01 ± 0.73b | 0.82 ± 0.08 | 1.95 ± 0.07b | 15.96 ± 1.26 | 22.13 ± 0.72 |
| 1R:1B | 5.96 ± 0.16 | 14.17 ± 0.46bc | 0.78 ± 0.05 | 1.76 ± 0.04b | 14.58 ± 0.29 | 21.13 ± 1.26 | |
| 2R:1G:2B | 6.56 ± 0.51 | 15.96 ± 0.17b | 0.83 ± 0.06 | 1.85 ± 0.03b | 17.13 ± 0.74 | 23.29 ± 1.53 | |
| 1R:3B | 6.08 ± 0.50 | 17.43 ± 0.14a | 0.85 ± 0.05 | 2.31 ± 0.16a | 14.17 ± 0.73 | 20.29 ± 1.01 | |
R, G and B represent the red, green and blue llight spectra, respectively, and number before the letters stand for the ratio of each lighrt spectra. Lower-case letters after the same parameter indicate significant differences (p < 0.05). Values are represented as mean ± SE (n = 4). ANOVA was performed followed by mean comparison with DMRT.