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Fig. 3 | BMC Plant Biology

Fig. 3

From: Physiological mechanism of strigolactone enhancing tolerance to low light stress in cucumber seedlings

Fig. 3

Effects of exogenous GR24 on chlorophyll fluorescence in cucumber seedlings under low light stress. Note: Here, Fv/Fm, the maximum quantum yield of PSII; ФPSII, actual photochemical efficiency of PSII; ФNPQ, modulated heat dissipation of PSII; ФNO, nonmodulated heat dissipation of PSII; qP, photochemical quenching coefficient; NPQ, nonphotochemical quenching coefficient. Each image in the same column represents the same leaf. The bars represent the standard errors. The colour scale at the bottom indicates values from 0 (black) to 1 (pink)

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