. 2017 Nov 30;8:2032. doi: 10.3389/fpls.2017.02032

Table 1.

Photosynthetic parameters deduced by the JIP-test analysis of fluorescence transients.

	0 DAY				5 DAY				Definitions
	SE	S	SC	CK	SE	S	SC	CK
DATA EXTRACTED FROM THE RECORDED OJIP FLUORESCENCE TRANSIENT CURVES
F₀ = F_20μs	0.46a	0.47a	0.48a	0.49a	0.45a	0.46a	0.47a	0.49a	Fluorescence at time t after onset of actinic illumination
F_K	1.05a	1.08a	1.07a	0.98b	1.12ab	1.16a	1.13ab	1.05b	Fluorescence value at 300 μs
F_J	1.25a	1.25a	1.27a	1.19a	1.27a	1.30a	1.31a	1.24a	Fluorescence value at the J-step of OJIP
F_I	1.70a	1.60b	1.73a	1.69a	1.65b	1.70ab	1.73a	1.70ab	Fluorescence value at the I-step of OJIP
F_P = F_M	1.89a	1.86a	1.95a	1.89a	1.79b	1.87ab	1.92a	1.90a	Fluorescence value at the peak of OJIP test
M₀	1.61a	1.77a	1.61a	1.44b	2.01a	1.99a	1.82b	1.60c	Approximate value of the initial slope of fluorescence transient curves
V_J	0.55ab	0.56a	0.54ab	0.51b	0.61a	0.60ab	0.58b	0.53c	Relative variable fluorescence at J-step
Area	10.45a	15.41a	12.86a	10.45a	7.38b	11.82ab	14.43a	11.99ab	The area above the chlorophyll fluorescence curve between Fo and Fm
N	21.96a	34.66a	26.11a	20.91a	17.99b	27.82ab	31.52a	25.38ab	Number of Q_A redox turnovers until Fm is reached
SPECIFIC ENERGY FLUXES (PER ACTIVE PSII REACTION CENTER)
ABS/RC	0.65ab	0.75a	0.66ab	0.55b	0.93a	0.90a	0.79b	0.63c	Absorbed photon flux per RC
TR₀/RC	2.96b	3.16a	2.98b	2.84b	3.27ab	3.34a	3.16bc	3.00c	Trapped excitation flux (leading to Q_A reduction) per RC
ET₀/RC	1.35a	1.39a	1.37a	1.39a	1.27b	1.34ab	1.33ab	1.40a	Electron transport flux (further than $Q_{A}^{-}$ ) per RC
RE₀/RC	0.08a	0.12a	0.09a	0.09a	0.05c	0.07bc	0.07ab	0.10a	Electron flux reducing end electron acceptors at the PSI acceptor side, per RC
QUANTUM YIELDS AND EFFICIENCIES/PROBABILITIES
φP₀ = TR₀/ABS	0.74a	0.75a	0.75a	0.75a	0.75a	0.75a	0.75a	0.74a	Maximum quantum yield for primary photochemistry
ψE₀ = ET₀/TR₀	0.45ab	0.44b	0.46ab	0.49a	0.39c	0.40bc	0.42b	0.47a	Efficiency/probability with which a PSII trapped electron is transferred from Q_A to Q_B
φE₀ = ET₀/ABS	0.34b	0.33b	0.35ab	0.37a	0.29c	0.30bc	0.32b	0.35a	Quantum yield of the electron transport flux from Q_A to Q_B
σR₀ = RE₀/ET₀	0.06b	0.08a	0.07ab	0.07ab	0.04c	0.05bc	0.05ab	0.07a	Efficiency/probability with which an electron from Q_B is transferred until PSI acceptors
φR₀ = RE₀/ABS	0.10b	0.14a	0.11b	0.10b	0.07b	0.09ab	0.10ab	0.11a	Quantum yield for reduction of end Electron acceptors at the PSI acceptor side
γRC	0.20ab	0.19b	0.20ab	0.21a	0.18b	0.19ab	0.19ab	0.20a	Probability that a PSII Chl molecule functions as RC
RC/ABS	1.53b	1.35b	1.54b	1.82a	1.08c	1.11c	1.26b	1.58a	Number of Q_A reducing RCs per PSII antenna Chl
PERFORMANCE INDEXES (PI, COMBINATION OF PARAMETERS)
PI_ABS	0.49b	0.38b	0.45b	0.61a	0.35b	0.38b	0.43ab	0.51a	PI (potential) for energy conservation from exciton to the reduction of intersystem electron
PI_total	0.03a	0.04a	0.04a	0.04a	0.01b	0.02b	0.03b	0.04a	PI (potential) for energy conservation from exciton to the reduction of PSI end acceptors

Each parameter is carefully calculated according to previous method (Yusuf et al., 2010). Subscript “0” denotes that the parameter refers to the onset of illumination. Values are given as the average of 3 replicates, and different letters denote statistic significant difference at P < 0.05 among the treatments by Tukey's multiple range tests. 0 and 5 day, respectively executed variance analysis. The underline values are all carefully selected to avoid Blindness on browsing miscellaneous data.