| BL | Blue light |
| ML | Moderate light |
| HL | High light |
| PSI | Photosystem I |
| PSII | Photosystem II |
| Fv/Fm | Maximal quantum efficiency of PSⅡ photochemistry |
| ETR | Electron transport rate |
| NPQ | Nonphotochemical quenching |
| qP | Photochemical quenching of fluorescence |
| qN | Nonphotochemical quenching coefficient |
| SOD | Superoxide dismutase |
| CAT | Catalase |
| ROS | Reactive oxygen species |
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