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Average Fv/Fm ratio (max. quantum yield) ± SE after 3 weeks plant growth of Artemisia and tobacco with different light spectra
| Light spectrum | Fv/Fm (max. quantum yield) | |
|---|---|---|
| Tobacco | Artemisia | |
| Red:blue (1:3) | 0.875 ± 0.00354 | 0.875 ± 0.0034 |
| Red:blue (1:1) | 0.873 ± 0.0019 | 0.871 ± 0.00084 |
| White (full spectrum) | 0.870 ± 0.0000 | 0.875 ± 0.00354 |
