Table 1. Plant morphology indexes and spike traits of wheat under drought stress.
| Cultivars | Treatment | Root length (cm) | Plant height (cm) | Dry weight of roots (g) | Dry weight of aboveground parts (g) | Root-shoot ratio | Spike length (cm) | Spike weight (g) | Grains number per spike | 1,000-grains weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| YM13 | CC | 36.93 ± 1.77a | 63.77 ± 0.83a | 3.47 ± 0.47a | 10.27 ± 0.92a | 0.34 ± 0.08b | 8.14 ± 0.37a | 2.48 ± 0.11a | 37.67 ± 1.99a | 36.80 ± 5.19a |
| DS | 31.93 ± 1.28b | 60.27 ± 1.41b | 2.81 ± 0.45b | 7.09 ± 1.04b | 0.40 ± 0.03a | 7.06 ± 0.32b | 1.67 ± 0.10b | 34.83 ± 2.59b | 33.22 ± 4.06b | |
| YN19 | CC | 28.27 ± 1.65c | 56.23 ± 1.84c | 2.45 ± 0.53b | 6.85 ± 0.55c | 0.36 ± 0.06b | 7.31 ± 0.16b | 1.68 ± 0.17b | 30.56 ± 1.57c | 33.41 ± 0.85b |
| DS | 25.70 ± 1.84d | 54.67 ± 1.59c | 1.52 ± 0.42c | 3.85 ± 0.04d | 0.39 ± 0.10a | 6.36 ± 0.06c | 1.04 ± 0.05c | 27.17 ± 1.54d | 31.70 ± 1.61c |
Notes.
Data are shown as mean ± standard deviation, n = 6. Different lowercase in the same column indicate significant difference (p < 0.05).
- CC
- control condition
- DS
- drought stress.