Table 2. Effects of deficient irrigation regimes with saline water (T0, T1 and T2) on proline, soluble carbohydrates, MDA, ∆13C and ash content in Karkeni and Bengardeni landraces at different growth stages (tillering, heading and grain filling).
| Character | Treatments | Tillering | Heading | Grain filling | |||
|---|---|---|---|---|---|---|---|
| Karkeni | Bengardeni | Karkeni | Bengardeni | Karkeni | Bengardeni | ||
| Proline (µg g−1 FW) | T0 | 84.84±3.61b | 54.91±3.02b | 45.36±3.5a | 53.26±2.88a | 44.26±6.85a | 50.32±5.98a |
| T1 | 200.73±20a | 185.86±7.93a | 50.32±4.23a | 52.53±3.4a | 44.08±1.68a | 52.34±3.97a | |
| T2 | 217.81±4.09a | 188.61±11.29a | 61.16±11.69a | 50.87±7.05a | 43.16±2.7a | 38.55±2.31a | |
| Soluble carbohydrates (mg g−1 FW) | T0 | 2±0.12b | 2.17±0.06b | 11.49±0.52c | 6.34±0.02d | 8.69±0.28d | 6.77±0.62e |
| T1 | 2.35±0.08b | 2.47±0.28ab | 13.08±0.14b | 11.80±0.58c | 11.55±0.06c | 10.95±0.09c | |
| T2 | 3.5±0.67a | 3.57±0.41a | 15.20±0.15a | 13.64±0.47b | 16.35±0.7a | 13.68±0.38b | |
| MDA (µg g−1DW) | T0 | 28.68±0.62a | 26.60±0.81a | 46.36±4.51ab | 49.09±1.65ab | 48.72±0.27a | 49.72±0.22a |
| T1 | 26.69±2.2a | 25.68±2.56a | 42.36±0.98b | 53.09±1.95a | 50.37±1.29a | 50.73±2.15a | |
| T2 | 24.55±1.06a | 24.28±2.55a | 47.84±2.4ab | 44.45±0.53b | 51.04±0.88a | 53.05±2.6a | |
| ∆13C (‰) | T0 | 19.87±0.03b | 20.54±0.33ab | 21.86±0.04ab | 22.12±0.13a | 21.80±0.09bc | 22.18±0.39a |
| T1 | 19.77±0.12b | 20.33±0.12ab | 21.66±0.15ab | 21.85±0.04ab | 21.54±0.33c | 21.91±0.05ab | |
| T2 | 20±0.23ab | 20.29±0.27a | 21.66±0.21ab | 21.02±0.06b | 21.43±0.4c | 21.71±0.04c | |
| Ash content (%) | T0 | 12.61±0.4a | 12.39±0.2a | 11.56±0.45a | 12.17±0.35a | 13.51±0.09ac | 14.74±0.54a |
| T1 | 12.21±0.22a | 12.21±0.13a | 11.09±0.22a | 11.75±0.35a | 12.88±0.67bc | 14.03±0.16ab | |
| T2 | 12±0.22a | 12.01±0.46a | 11.35±0.76a | 11.20±0.6a | 12.38±0.42c | 12.38±0.5c | |
Values are means±SE of 3 replicates. Means followed by different letters in the same column are significantly different (p<0.05, Duncan’s multiple range tests). Values with different letters (a, b, c, and d) are significanlty different at p<0.05.