Table 3.
Effect of deficit irrigation regimes, deferential irrigation water salinity and plant bioregulators on biochemical traits.
| Treatments/ Studied traits |
Pearl millet |
Wheat |
||||
|---|---|---|---|---|---|---|
| Years | MI (%) | Proline (mg g−1 FW) | LP (nmole g−1 FW | MI (%) | Proline (mg g−1 FW) | LP (nmole g−1 FW |
| 2016/2016–17 | 35.02A | 2.49A | 6.85A | 43.65B | 2.32 | 2.34B |
| 2017/2017–2018 | 23.21B | 2.08B | 5.57B | 45.58A | 2.55 | 2.46A |
| SEd± | 0.50 | 0.09 | 0.16 | 0.39 | 0.10 | 0.03 |
| CD (P = 0.05) | 1.11 | 0.19 | 0.37 | 0.88 | NS | 0.07 |
| Deficit irrigation regimes | ||||||
| I1 (100% ET) | 28.46 | 2.18 | 6.14 | 43.29B | 2.18C | 2.38 |
| I2 (80% ET) | 29.18 | 2.32 | 6.22 | 44.75A | 2.44B | 2.39 |
| I3 (60% ET) | 29.71 | 2.35 | 6.26 | 45.80A | 2.68A | 2.43 |
| SEd± | 0.61 | 0.10 | 0.20 | 0.48 | 0.12 | 0.04 |
| CD (P = 0.05) | NS | NS | NS | 1.07 | 0.28 | NS |
| Differential salinity levels | ||||||
| S0 (2 dS m−1) | 25.00D | 1.63D | 5.43C | 42.77C | 2.11D | 2.25B |
| S1 (4 dS m−1) | 27.79C | 1.85C | 5.57C | 43.82BC | 2.31C | 2.29B |
| S2 (8 dS m−1) | 30.33B | 2.57B | 6.72B | 44.87B | 2.51B | 2.45A |
| S3 (12 dS m−1) | 33.34A | 3.07A | 7.10A | 46.99A | 2.81A | 2.45A |
| SEd± | 0.84 | 0.10 | 0.19 | 0.64 | 0.07 | 0.06 |
| CD (P = 0.05) | 1.66 | 0.19 | 0.37 | 1.26 | 0.13 | 0.12 |
| PBRs | ||||||
| G0 (control) | 34.63A | 2.67A | 7.41A | 46.06A | 2.65A | 2.40 |
| G1 (1 mM SA) | 26.61B | 2.11B | 5.60B | 44.09B | 2.41B | 2.40 |
| G2(500 ppm TU) | 26.10B | 2.07B | 5.61B | 43.70B | 2.24C | 2.40 |
| SEd± | 0.73 | 0.08 | 0.16 | 0.55 | 0.06 | 0.05 |
| CD (P = 0.05) | 1.44 | 0.17 | 0.32 | 1.09 | 0.12 | NS |
Data presented are means ± S.E.M of three independent replications. Two-way ANOVA followed by Tukey’s test was used for analysis. Different letters denote significant differences at p < 0.05. MI – membrane injury; LP – Lipid peroxidation.