Table 2.

Effect of Zn-NPs application on photosynthetic pigments and anthocyanin contents of wheat plants grown under salinity stress.

Salinity stress	Zn-NPs	Chlorophyll a (mg/g FW)	Chlorophyll b (mg/g FW)	Carotenoids (mg/g FW)	Anthocyanin (mg/g FW)
Control	CK	0.38d ± 0.012	1.41d ± 0.021	0.52d ± 0.0054	8.31d ± 0.45
	SP	0.54b ± 0.019	1.70b ± 0.029	0.60b ± 0.0064	9.83b ± 0.72
	FS	0.46c ± 0.012	1.56c ± 0.026	0.56c ± 0.0042	9.16c ± 0.21
	SP + FS	0.62a ± 0.014	1.85a ± 0.016	0.64a ± 0.0039	10.51a ± 0.56
6 dS m −1	CK	0.17 g ± 0.0056	0.73i ± 0.014	0.27 k ± 0.0043	4.45j ± 0.49
	SP	0.22f ± 0.017	1.12f ± 0.010	0.45f ± 0.0026	6.95f ± 0.92
	FS	0.14 g ± 0.021	0.97 g ± 0.091	0.41 g ± 0.0028	6.28 g ± 0.44
	SP + FS	0.30e ± 0.0031	1.26e ± 0.022	0.49e ± 0.0032	7.63e ± 0.71
12 dS m −1	CK	0.03hi ± 0.0037	0.47j ± 0.010	0.24 l ± 0.0054	2.89 k ± 0.69
	SP	0.04hi ± 0.0012	0.68i ± 0.014	0.33i ± 0.0042	4.92i ± 0.44
	FS	0.02I ± 0.0019	0.52j ± 0.016	0.30j ± 0.0032	4.50j ± 0.48
	SP + FS	0.05 h ± 0.0011	0.83 h ± 0.018	0.37 h ± 0.0043	5.60 h ± 0.32

CK, control; SP, seed priming (40 ppm); and FP, foliar application (20 ppm). Data reported indicate means ± SE (n = 4). Different letters indicate significant differences at p < 0.05.