| Potential application four maize early generation material |
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| DOI：10.7606/j.issn.1000-7601.2013.02.07 |
| Key Words: maize early generation materials dominant effect combined analysis of variance genetic variance component estimation |
| Author Name | Affiliation | | YU Haibing | Anhui Science and Technology University, Fengyang, Anhui 233100, China | | WANG Jinshun | Agricultural Institute of Anhui Huangshan, huangshan, Anhui 245011, China | | REN Xiangdong | Agricultural Institute of Anhui Huangshan, huangshan, Anhui 245011, China | | LIU Zheng | Anhui Science and Technology University, Fengyang, Anhui 233100, China |
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| Abstract: |
| Analyzed genetic variance components of yield and its component elements and F1 heterosis advantages, population had a positive average advantage, espicially cross combination of A037 and PQ47, the biggest amplitude was as high as 42.17%. and the minimum amplitude was 6.21% which was found in cross combination of A15M9 and Gui M130. More importantly, we found 34 cross combinations amplitude more than 20%. Effect of plant height by dominant effect, additive effect and dominant × environment, which total phenotypic variance account for 16.14%, 20.65% and 11.34% respectively. Effect of ear position height by dominant × environment effect, which account for 12.27% . Effect of ear length by additive effect and dominant × environment, which account for 28.10% and 31.15% respectively. Effect of ear stem width by dominant × environment, which account for 17.65%. Effect of row kernel number, dominant, additive × Environment and dominant × environment, which account for 34.07%, 27.24%, 62.06% and 41.63% respectively. Effect of 100-seed weight by additive × environment and dominant × environment, which account for 42.86% and 66.00% respectively. Effect of seed-producing percentage by additive × environment and dominant × environment, which account for 121.86% and 85.63% respectively. In additionally, the genetic diversity analysis showed that there was complex nonlinear relation between genetic relationships of the four parents and ten test lines and F1 genotype. |
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