Table 1.
Means and midparent heterosis (% in parentheses) of yield and yield component traits in parents and the progenies
| Trait | Minghui 63
|
Zhenshan 97
|
F1
|
F3
|
||||
|---|---|---|---|---|---|---|---|---|
| 1994 | 1995 | 1994 | 1995 | 1994 | 1995 | 1994 | 1995 | |
| Yield, t/ha | 6.50 | 6.26 | 4.84 | 4.48 | 8.53 (50.4) | 8.91 (66.0) | 7.40 (30.8) | 6.62 (23.3) |
| Tillers/plant | 10.7 | 11.0 | 11.4 | 9.5 | 12.8 (15.8) | 14.3 (39.5) | 11.2 (1.4) | 10.5 (2.4) |
| Grains/panicle | 101.2 | 105.7 | 81.8 | 89.5 | 114.9 (25.6) | 111.9 (14.6) | 112.9 (23.4) | 110.4 (13.1) |
| Grain weight, g/1,000 | 27.7 | 25.6 | 25.1 | 24.8 | 27.9 (5.7) | 26.0 (3.2) | 26.3 (−0.4) | 25.4 (0.8) |