Figure 1.
Figure 2.
Figure 3.
Supplementary Figure 1.
Factor loadings and variance explained by the first three principal components (PC1, PC2 and PC3)_
| PC1 | PC2 | PC3 | |
|---|---|---|---|
| PIES | –0.250 | 0.190 | –0.322 |
| Height | 0.915 | 0.055 | –0.221 |
| Stem diameter | 0.802 | 0.152 | –0.142 |
| Number of leaves | 0.786 | –0.300 | –0.254 |
| Leaves length | 0.525 | 0.625 | 0.323 |
| Leaves width | 0.685 | 0.498 | 0.270 |
| Flower diameter | 0.604 | –0.195 | 0.368 |
| Flower length | 0.628 | –0.155 | 0.354 |
| Number of petals | –0.502 | –0.233 | 0.617 |
| Chlorophyll content | 0.566 | –0.502 | –0.196 |
| Fv/Fm | –0.259 | 0.677 | –0.215 |
| Eigenvalue | 4.305 | 1.618 | 1.140 |
| Variability (%) | 39.135 | 14.706 | 10.366 |
| Cumulative (%) | 39.135 | 53.840 | 64.206 |
Percentage of light spectrum of HPS and MH lights for roses_
| Light properties | HPS (%) | MH (%) |
|---|---|---|
| PFD | 100 | 100 |
| Blue (400–500 nm) | 16 | 19 |
| Green (500–600 nm) | 34 | 29 |
| Red (600–700 nm) | 36 | 29 |
| FR (700–780 nm) | 14 | 23 |
Nutrient content analysis of rose rhizosphere media cultivated under different supplementary lights_
| Supplementary light | Ca (mg · L−1) | K (mg · L−1) | Mg (mg · L−1) | P (mg · L−1) | S (mg · L−1) | NH4+-N (mg · L−1) | NO3− -N (mg · L−1) |
|---|---|---|---|---|---|---|---|
| MH | 192 ± 23.0 a | 138 ± 10.5 a | 60.1 ± 9.23 a | 52.3 ± 4.9 a | 65.0 ± 15.0 a | 528 ± 141 a | 168 ± 60.3 b |
| MH + HPS | 204 ± 34.2 a | 139 ± 21.0 a | 68.0 ± 16.9 a | 48.6 ± 5.4 a | 71.8 ± 22.7 a | 249 ± 116 b | 236 ± 54.7 a |
| HPS | 224 ± 83.3 a | 158 ± 70.2 a | 77.3 ± 44.0 a | 53.5 ± 8.3 a | 84.1 ± 57.2 a | 112 ± 41.6 b | 182 ± 24.3 ab |
Effect of different supplementary lights on growth parameters, chlorophyll content and Fv/Fm content of the rose plants_
| Supplementary lights | Height (mm) | Stem diameter (mm) | Number of leaves | Leaf length (mm) | Leaf width (mm) | Flower diameter (mm) | Flower length (mm) | Number of petals | Chlorophyll content (SPAD) | Fv/Fm |
|---|---|---|---|---|---|---|---|---|---|---|
| MH | 72.0 ± 6.7 a | 5.4 ± 0.5 b | 8.3 ± 0.8 b | 13.4 ± 0.8 a | 13.2 ± 0.9 a | 4.7 ± 0.3 b | 5.1 ± 0.2 a | 46.5 ± 4.4 a | 37.9 ± 2.7 a | 0.8 ± 0.0 a |
| MH ± HPS | 82.5 ± 11.8 a | 7.3 ± 1.9 a | 10.5 ± 0.7 a | 13.6 ± 0.9 a | 13.5 ± 0.9 a | 5.1 ± 0.4 a | 5.1 ± 0.4 a | 46.8 ± 3.5 a | 40.8 ± 3.7 a | 0.8 ± 0.1 a |
| HPS | 73.7 ± 11.2 a | 5.8 ± 1.1 b | 9.6 ± 1.9 a | 13.4 ± 0.9 a | 13.3 ± 1.0 a | 5.0 ± 0.4ab | 5.1 ± 0.5 a | 47 ± 4.6 a | 38.6 ± 2.6 a | 0.8 ± 0.0 a |