Table 9 Effect of different concentrations of arginine and SNP on fatty acids content of sunflower plants under salinity stress
Salinity | 0 | 5000 (mg/L) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Treatment | Control | Arginine (mM) | SNP (mM) | Control | Arginine (mM) | SNP (mM) | ||||
Conc. | 10 | 20 | 0.25 | 0.50 | 10 | 20 | 0.25 | 0.50 | ||
Palmitic (C16:0) | 9.23 | 9.01 | 8.38 | 7.95 | 7.21 | 9.78 | 9.63 | 8.37 | 8.65 | 7.09 |
Steraic (C18:0) | 7.57 | 6.09 | 5.68 | 5.16 | 5.54 | 8.13 | 6.28 | 6.95 | 7.12 | 6.27 |
Archidic (C20:0) | 1.38 | 1.20 | 0.95 | 1.08 | 0.84 | 1.45 | 1.08 | 0.85 | 0.95 | 0.92 |
Palmitolic (C16:1) | 0.48 | 0.63 | 1.06 | 0.79 | 0.82 | 0.47 | 0.95 | 1.06 | 1.05 | 1.27 |
Oleic (C18:1) | 42.74 | 44.65 | 45.81 | 46.96 | 46.63 | 41.94 | 43.78 | 43.53 | 44.01 | 45.35 |
Linoleic (C18:2) | 35.72 | 36.52 | 36.75 | 35.95 | 36.52 | 34.85 | 35.95 | 35.44 | 35.45 | 35.65 |
Linolenic (C18:3) | 0.86 | 0.85 | 0.96 | 0.82 | 0.95 | 0.76 | 0.95 | 0.86 | 0.85 | 1.06 |
Eicosadienoic (C20:2) | 0.23 | 0.32 | 0.32 | 0.00 | 0.35 | 0.42 | 0.52 | 0.75 | 0.52 | 0.52 |
Total saturated (TS) | 18.18 | 16.3 | 15.01 | 14.19 | 13.59 | 19.36 | 16.99 | 16.17 | 16.72 | 14.28 |
Total unsaturated (TU) | 80.03 | 82.97 | 84.9 | 84.52 | 85.27 | 78.44 | 82.15 | 81.64 | 81.88 | 83.85 |
Total fatty acid | 98.21 | 99.27 | 99.91 | 98.71 | 98.86 | 97.79 | 99.14 | 97.81 | 98.60 | 98.13 |
TU/TS | 4.40 | 5.09 | 5.66 | 5.96 | 6.27 | 4.05 | 4.84 | 5.05 | 4.89 | 5.87 |