Table 3.
Definitions of the photosynthetic parameters deduced by the JIP-test analysis for the analysis of Chl a fluorescence transient.
| Data extracted from the recorded Chl a fluorescence transient OJIP curve | |
| FO = F20μs | Minimal reliable recorded fluorescence |
| FK = F300μs | Fluorescence intensity at 300 μs |
| FJ = 2.97 ms | Fluorescence intensity at J step (2.97 ms) of OJIP curve |
| FI = 62 ms | Fluorescence intensity at I step (62 ms) of OJIP curve |
| FP = FM | Fluorescence intensity at the peak of OJIP curve |
| Performance indexes (partial potentials at the steps of energy bifurcations) | |
| PIABS | Performance index for energy conservation from exciton to the reduction of intersystem electron acceptors |
| PItotal | Performance index for energy conservation from exciton to the reduction of photosystem I end acceptors |
| Quantum yields and efficiencies/probabilities | |
| φP0 | Maximum quantum yield for primary photochemistry (FV/FM) |
| φR0 | Quantum yield for reduction of end electron acceptors at the PSI acceptor side (RE) |
| φE0 | Quantum yield for electron transport (ET) |
| γRC | Probability that a PSII Chl molecule functions as RC |
| Specific energy fluxes (per Qreducing PSII reaction center–RC) | |
| RE0/RC | Electron flux reducing end electron acceptors at the PSI acceptor side, per RC |
| TP0/RC | Trapping flux (leading to QA reduction) per RC |
| ET0/RC | Electron transport flux (further than Q) per RC |
| ABS/RC | Absorption flux (of antenna Chls) per RC |