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Photochemical quenching parameters.
| Parameter | Ref. | |
|---|---|---|
| Chlorophyll fluorescence decrease ratio (RFd) | Fd/Fs | [95] |
| Chlorophyll content (N-tester value) | [96] | |
Fd means fluorescence decrease from Fm to Fs, Fm: maximal fluorescence from the dark-adapted leaves, Fs: steady-state chlorophyll fluorescence.
