Table 1. Heterosis analysis of the F1 hybrid (Huajingxian 74-4x ×Huaduo 3) and its parents.
| Traits | H3 | T452 | F1 hybrid | HPH (%) | MPH (%) |
|---|---|---|---|---|---|
| PH (cm) | 121.67±3.51 | 92.00±1.73 | 126.67±0.58 | 4.11 | 18.56 |
| EP | 4.00±0.32 | 4.33±2.08 | 8.33±2.52 | 92.31 | 100.00 |
| FG | 123.25±16.88 | 107.91±19.43 | 131.78±11.16 | 6.92 | 14.02 |
| SS (%) | 83.93±6.41 | 11.84±0.48 | 87.86±5.09 | 4.69 | 83.49 |
| GYP (g) | 16.03±0.23 | 1.64±0.51 | 37.07±16.67 | 131.27 | 319.70 |
| GL (cm) | 8.90±0.32 | 10.00±0.35 | 9.50±0.01 | −5.00 | 0.53 |
| GW (cm) | 4.00±0.36 | 3.10±0.21 | 3.13±0.15 | −21.67 | −11.74 |
H3: Huaduo 3; T452: Huajingxian 74-4x; F1 hybrid: (Huajingxian 74-4x ×Huaduo 3); HPH: High-parent heterosis; MPH: Mid-parent heterosis.
PH: Plant height; EP: Effective number of panicles per plant; FG: Filled grains per panicle; SS: Seed setting; GYP: Grain yield per plant; GL: Grain length (10-grains); GW: Grain width (10-grains).