Table 3. Agronomic traits observed for parental lines and hybrids in a multiple-hybrid population (MHP).
| Trait | Temperate inbreds | Tropical inbreds | Temperate diallel | Tropical diallel | NC II |
|---|---|---|---|---|---|
| Plant height | 182.73C(20.88) | 183.36C(14.94) | 252.56AB(19.85) | 247.85B(11.37) | 269.73A(14.87) |
| Ear height | 74.24D(14.78) | 90.26C(15.98) | 111.13B(14.60) | 116.25AB(9.20) | 131.86A(13.78) |
| Days to tassel | 56.41B(3.26) | 65.59A(3.82) | 51.89C(2.07) | 58.50B(2.82) | 56.81B(2.28) |
| Days to silk | 61.39B(3.14) | 70.21A(4.23) | 55.89C(1.89) | 62.30B(3.26) | 60.86B(2.39) |
| Days to anthesis | 59.53B(3.22) | 68.80A(4.03) | 54.16C(1.91) | 60.90B(3.03) | 59.05B(2.36) |
| Anthesis-silking interval | 2.19AB(0.33) | 2.55A(0.28) | 1.68B(0.33) | 1.60B(0.53) | 1.87AB(0.35) |
| Ear length | 13.66C(1.43) | 12.45D(1.28) | 17.83A(1.42) | 15.65B(0.53) | 17.96A(1.02) |
| Ear diameter | 38.91B(2.84) | 35.08B(2.19) | 46.16A(2.34) | 46.15A(1.66) | 46.85A(2.35) |
| Row number | 13.68C(1.43) | 12.04D(0.89) | 15.62A(1.20) | 14.35BC(1.02) | 15.02AB(1.38) |
| Grain number per row | 21.66B(2.42) | 18.68B(1.77) | 35.50A(3.03) | 33.00A(1.45) | 34.78A(2.70) |
| Grain number | 302.76C(45.01) | 237.41C(25.18) | 554.37A(56.91) | 474.25BC(42.90) | 522.45AB(53.96) |
| Hundred grain weight | 26.56BC(3.43) | 23.63C(3.04) | 29.32AB(3.26) | 31.45A(1.85) | 33.13A(3.08) |
| Grain weight per plant | 52.91B(10.23) | 44.77B(6.38) | 128.90A(18.96) | 135.35A(3.91) | 134.70A(8.64) |
Different letters in the same row indicate significant difference by Duncan test at 1% probability, and standard errors are given in parenthesis.