| 摘要: |
| 于1997～1999年用6个不同的材料配制成完全双列杂交,研究小麦冠层温度的遗传。结果表明,小麦冠层温度的遗传符合加性—显性遗传模型,以加性效应为主,呈部分显性,显性方向为低温型。不受上位性影响,狭义遗传力为86.95%。一般配合力方差和特殊配合力方差分别达到极显著和显著水平。小偃6号为最有价值的亲本,其次为陕229,87B1-303和205。 |
| 关键词: 小麦,冠层温度,遗传模型,加性效应,配合力 |
| DOI： |
| 分类号:S512.1 |
| 基金项目:杨凌农业生物技术育种中心资助项目(1999-9) |
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| Analysis of the inheritance and combining ability of the canopy temperature in wheat |
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SHEN Guo-an WANG Zhu-lin LI Wan-chang DONG Pu-hui LIU Shu-dong HE Pei-ru
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| Abstract: |
| The genetic model and combining ability of the canopy temperature were studied in 36 wheat hybrids crossed with 6×6 diallel from 1997 to 1999. The results showed that the inheritane of the canopy temperature was fit to addition-dominant model. The additive effect was more important than the dominant effect. The low temperature was partially dominant to high temperature. The narrow heritability was 86.95%.The variance of the general and special combining ability was very significant and significant respectively.The Xiaoyan 6 was the best in all parents. |
| Key words: wheat,canopy temperature,genetic model,additive effect,combining ability |
