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CO2 and O2 concentration in the gas mixtures 1–4 applied to R anunculus glacialis individuals
| Mix. | CO2 (ppm) | O2 (%) | Anticipated effect on key photosynthetic reactions |
|---|---|---|---|
| 1 | 50 | 21 | Photorespiration ↑ |
| 2 | 2000 | 21 | Photorespiration ↓ |
| 3 | 2000 | 2 | Photorespiration ↓↓, Mehler Pathway ↓ |
| 4 | 370 | 21 | – |
