Change in chlorophyll fluorescence parameters, Fv/Fm, ETR, NPQ and qP under 0, 50, 100 and 200 mM NaCl stress for 5 d of M. sacchariflorus plants.

Table 3: Change in chlorophyll fluorescence parameters, F_v/F_m, ETR, NPQ and qP under 0, 50, 100 and 200 mM NaCl stress for 5 d of M. sacchariflorus plants.

NaCl (mmol/L)	F_v/F_m	ETR	NPQ	qP
0	0.803 ± 0.016a	100.8 ± 5.85a	2.848 ± 0.044a	0.557 ± 0.125a
50	0.789 ± 0.026a	94.3 ± 2.43b	2.640 ± 0.080a	0.510 ± 0.121b
100	0.778 ± 0.028a	89.6 ± 1.38b	2.600 ± 0.123a	0.470 ± 0.006c
200	0.532 ± 0.037b	60.9 ± 0.79c	1.606 ± 0.224b	0.409 ± 0.101d

Data are mean ± SD (n = 8); Different letters indicate a significant difference at p < 0.05.