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Impact of NaCl concentrations (0, 40, 80, 160, and 240 mM) on chlorophyll content (A) and maximum quantum efficiency of PSII photochemistry (B) of lemongrass plants. Each bar represents mean ± SE (n = 3). Means followed by the same letter(s) do not differ by LSD test at 5% probability level (α = 0.05). The colors are just visual ques for readers to quickly distinguish between control and most stressed treatment.
