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Table 4 Effect of different concentrations of arginine and SNP on photosynthetic pigments (mg/g fresh wt.) of sunflower plants under salinity stress

From: Comparative study for the effect of arginine and sodium nitroprusside on sunflower plants grown under salinity stress conditions

Salinity Material Conc.
(mM)
Chl. a Chl. b Carotenoids Total pigments
0 Control 0 1.54 0.75 0.28 2.57
Arginine 10 1.68 0.85 0.33 2.86
20 1.88 1.04 0.38 3.31
SNP 0.25 1.65 0.94 0.30 2.89
0.50 1.72 0.97 0.33 3.02
5000 (mg/L) Control 0 1.24 0.60 0.32 2.16
Arginine 10 1.35 0.71 0.35 2.40
20 1.43 0.85 0.36 2.64
SNP 0.25 1.36 0.76 0.34 2.46
0.50 1.49 0.78 0.36 2.63
LSD at 5% 0.0027 NS 0.0017 0.05
LSD at 1% 0.0034 0.0024 0.08
  1. NS not significant