| 滇型杂交粳稻数量性状的遗传差异研究 |
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| 引用本文： | 谭学林. 滇型杂交粳稻数量性状的遗传差异研究[J]. 云南农业大学学报(自然科学版), 1988, 3(1): 45-53 |
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| 作者姓名： | 谭学林 |
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| 作者单位： | 云南农业大学 昆明 |
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| 摘 要： | 应用主成分、遗传距离和聚类的方法对滇型杂交粳稻恢复系、保持系数量性状的遗传差异作了初步研究。结果表明恢保间的遗传差异不大;但不同恢保组配间的遗传距离有很大的不同。非经济性状对供试材料间数量性状的遗传差异贡献较大,经济性状的贡献较小。模糊聚类的结果与多元分析的结果大同小异。文章对今后选育恢复系的工作提出了参考性建议。
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| 关 键 词： | 杂交稻 主成分分析 遗传距离 模糊聚类 |
| 收稿时间： | 1987-11-25 |
A Study on Genetic Diversity of Dian Type Hybrid Rice |
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| Tan Xuelin. A Study on Genetic Diversity of Dian Type Hybrid Rice[J]. Journal of Yunnan Agricultural University, 1988, 3(1): 45-53 |
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| Authors: | Tan Xuelin |
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| Affiliation: | Yunnan Agricultural University, Kunming |
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| Abstract: | The genetic diversity between the restorer line (R) and the maintainer line (B) of the Dian Type hybrid rice was investigated with multivariate analysis and fuzzy cluster. The results indicated the genetic diversity between R and B was not very great. It might be a cause why breeding hybrid combination with strong heterosis was more difficult in the Dian Type. The results of fuzzy cluster and multivariate analysis cluster were very similar. |
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| Keywords: | Hybrid Rice Principal components analysis Genetic Distance Fuzzy Cluster |
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