Table 3. The genetic effects of sd1 on grain yield related traits in the BC3F2 population.
| Traits | sd1/sd1 | SD1/sd1 | SD1/SD1 | P value | Additive | Dominance | D/A |
|---|---|---|---|---|---|---|---|
| SH (cm) | 40.4±3.0 | 49.3±4.3 | 52.7±4.8 | 2.2E-10 | 6.1 | 2.7 | 0.45 |
| PH (cm) | 85±5.8 | 127.5±6.0 | 139±5.4 | 1.7E-25 | 27.0 | 15.5 | 0.57 |
| SPP | 102±17.7 | 113±14.2 | 126±20.6 | 0.0008 | 12.0 | 1.1 | 0.09 |
| GPP | 75±13.9 | 94±12.7 | 102±18.6 | 3.1E-05 | 13.4 | 5.3 | 0.39 |
| PL (cm) | 20.2±0.8 | 22.2±1.0 | 23.9±1.2 | 7.5E-12 | 1.8 | 0.1 | 0.08 |
| BM (g) | 35.6±11.5 | 50.5±19.0 | 57.4±13.6 | 1.2E-05 | 10.9 | 4.0 | 0.36 |
| YP (g) | 17.4±5.5 | 23.9±9.2 | 25.8±5.9 | 0.0001 | 4.2 | 2.2 | 0.54 |
| HI | 0.49±0.06 | 0.47±0.04 | 0.45±0.04 | 0.02 | 0.02 | 0.002 | 0.1 |
SH seedling height, PH plant height, SPP spikelets per panicle, GPP grains per panicle, PL panicle length, BM biomass per plant, HI harvest index, YP yield per plant. The P value indicated the significance of difference between homozygote sd1/sd1 and SD1/SD1.