Table 2.
Comparison of agronomic traits of bread cultivars with TaGS5-A1a and TaGS5-A1b alleles.
| Trait | 2013 | 2014 | 2015 | ||||
|---|---|---|---|---|---|---|---|
| TaGS5-A1a | TaGS5-A1b | TaGS5-A1a | TaGS5-A1b | TaGS5-A1a | TaGS5-A1b | ||
| Sample number | 85 | 278 | 85 | 278 | 85 | 278 | |
| Plant height (cm) | 81.39a | 75.64a | 96.58A | 77.72B | 100.25A | 92.19B | |
| Spike length (cm) | 10.24a | 9.81b | 10.02A | 9.14B | 10.90a | 10.38b | |
| Internode length below spike (cm) | 27.23A | 25.04B | 31.62a | 29.75a | 32.77A | 30.30B | |
| Spikelet number per spike | 19.03a | 19.35a | 19.56a | 19.88a | 19.11a | 19.32a | |
| Total | Kernel number per spike | 44.82a | 43.00a | 51.56a | 53.07a | 48.26a | 48.09a |
| Kernel length (mm) | 6.89a | 6.85a | 7.00a | 6.93a | 6.93a | 6.81a | |
| Kernel width (mm) | 3.22B | 3.29A | 3.46a | 3.72a | 3.38a | 3.42a | |
| Kernel length/kernel width ratio | 2.15A | 2.09B | 2.03A | 1.93B | 2.06a | 2.00b | |
| Thousand-kernel weight (g) | 40.86b | 42.94a | 49.24a | 50.72a | 41.52a | 42.52a | |
| Sample number | 15 | 26 | 15 | 26 | 15 | 26 | |
| Plant height (cm) | 103.89a | 92.49a | 117.00A | 98.44B | 123.66A | 103.36B | |
| Spike length (cm) | 10.25a | 9.90a | 10.33a | 9.94a | 10.87a | 10.35a | |
| Internode length below spike (cm) | 31.98a | 30.19a | 40.10a | 34.35b | 37.14a | 34.81a | |
| Spikelet number per spike | 18.96a | 19.44a | 19.62a | 19.85a | 19.64a | 19.28a | |
| Landraces | Kernel number per spike | 46.76a | 41.94a | 50.12a | 47.37a | 50.33a | 47.32a |
| Kernel length (mm) | 6.48b | 6.81a | 6.53b | 6.96a | 6.43b | 6.73a | |
| Kernel width (mm) | 3.01b | 3.16a | 3.23B | 3.51A | 3.21b | 3.40a | |
| Kernel length/kernel width ratio | 2.16a | 2.16a | 2.05a | 1.99a | 2.01a | 1.99a | |
| Thousand-kernel weight (g) | 33.52b | 39.07a | 40.46B | 46.65A | 35.73b | 41.21a | |
| Sample number | 70 | 252 | 70 | 252 | 70 | 252 | |
| Plant height (cm) | 76.57a | 73.90a | 80.06a | 75.58b | 95.23a | 91.04b | |
| Spike length (cm) | 10.24a | 9.80b | 9.96A | 9.06B | 10.90a | 10.38b | |
| Internode length below spike (cm) | 26.21a | 24.51b | 29.80a | 29.28b | 31.83a | 29.84b | |
| Spikelet number per spike | 19.04a | 19.34a | 19.55a | 19.89a | 18.99a | 19.32a | |
| Modern cultivars | Kernel number per spike | 44.40a | 43.11a | 51.87a | 53.66a | 47.82a | 48.12a |
| Kernel length (mm) | 6.98a | 6.85b | 7.10A | 6.93B | 7.03A | 6.82B | |
| Kernel width (mm) | 3.26a | 3.31a | 3.53a | 3.75a | 3.416a | 3.418a | |
| Kernel length/kernel width ratio | 2.15A | 2.08B | 2.02A | 1.92B | 2.07A | 2.00B | |
| Thousand-kernel weight(g) | 42.44a | 43.34a | 51.12a | 51.14a | 42.76a | 42.66a | |
Uppercase and lowercase letters after numbers showed extreme (P < 0.01) and significant (P < 0.05) differences, respectively.