Table 1.
Effect of irrigation intervals (2DWI and 6DWI) and SWE treatments (5, 7 ml/L, and control) on mean values of turf quality (TQ), leaf photochemical efficiency (LPE), maximum root length (MRL), root dry weight (RDW), total nonstructural carbohydrates (TNC), proline, K, and Ca of Salam turfgrass.
| Year | 2016 | 2017 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Irrigation interval | 2DWI | 6DWI | 2DWI | 6DWI | ||||||||
| SWE | 5 ml/L | 7 ml/L | Control | 5 ml/L | 7 ml/L | Control | 5 ml/L | 7 ml/L | Control | 5 ml/L | 7 ml/L | Control |
| TQ (1–9 scale) | 8.53a* | 8.85a | 8.00b | 6.00a | 6.00a | 5.00b | 8.50a | 8.75a | 8.00b | 7.00a | 7.00a | 5.00b |
| LPE (Fv/Fm) | 0.82a | 0.83a | 0.80a | 0.53b | 0.58a | 0.46c | 0.82a | 0.83a | 0.81a | 0.57b | 0.61a | 0.49c |
| MRL (cm) | 30.47b | 32.93a | 28.11c | 35.50a | 36.75a | 31.74b | 31.62b | 33.81a | 28.41c | 36.74a | 37.95a | 32.15b |
| RDW (mg container−1) | 125.5b | 132.26a | 116.31c | 136.4b | 144.51a | 124.32c | 128.42b | 135.15a | 118.22c | 139.11b | 146.91a | 126.51c |
| TNC (mg·g −1 dry wt) | 132.6a | 137.2a | 118.3b | 101.5a | 105.3a | 90.1b | 136.1a | 142.6a | 121.9b | 104.3a | 108.7a | 93.4b |
| Proline (μg·g −1 fresh wt) | 401ab | 411a | 385b | 1,285b | 1,350a | 1,218c | 371ab | 390a | 361b | 1261b | 1,330a | 1,191c |
| K (mg.g−1 dry wt) | 34.0a | 34.6a | 32.3b | 39.6a | 40.9a | 34.3b | 34.3a | 35.1a | 32.7b | 40.0a | 41.6a | 34.6b |
| Ca (mg.g−1 dry wt) | 5.3a | 5.4a | 4.7b | 4.4a | 4.6a | 3.9b | 5.4a | 5.5a | 4.8b | 4.4a | 4.5a | 3.9b |
*
Means followed by different small letter within the same row indicate significant differences between treatments based on LSD test (P = 0.05).