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. 2024 Aug 29;25(17):9354. doi: 10.3390/ijms25179354

Figure 6.

Figure 6

Effect of NaCl on chlorophyll fluorescence in the wild-type and PtEXPA6-overexpressing lines of 84K and 717-1B4. The PtEXPA6-overexpressing lines of 84K (L11, L12, and L13) and 717-1B4 (L9, L15, and L16), and wild-type (WT) were exposed to NaCl with 0 or 100 mM for 15 days. Chlorophyll fluorescence, i.e., the relative electron transport rate, the actual photosynthetic quantum yield, and the maximum photochemical efficiency of PSII were measured in the leaves of the no-salt control and salinized plants after 15 days of the salt treatment. (A) The relative electron transport rate (ETR). (B) The actual photosynthetic quantum yield (YII). (C) The maximum photochemical efficiency of PSII (Fv/Fm). The data are means ± SD (n = 3), and the bars with different letters indicate significant differences (p < 0.05).