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. 2021 Jul 17;10(7):1469. doi: 10.3390/plants10071469

Figure 4.

Figure 4

Effects of different NaCl concentrations on the PAM parameters of the chlorophyll fluorescence in leaves of sorghum (Sorghum bicolor L. Shamal) and maize (Zea mays L. Kerala). The effective quantum yield of photochemical energy conversion of PSII, ΦPSII; the ratios of non-regulated (ΦNO) and regulated (ΦNPQ) energy loss in PSII. Mean values (± SE) were calculated from 8 independent measurements. Different letters indicate significant differences for the respective parameters at p < 0.05 (uppercase for sorghum and lowercase for maize).