| 番茄遗传资源的聚类分析研究 |
| |
| 引用本文： | 金凤媚,薛俊,郏艳红,刘仲齐.番茄遗传资源的聚类分析研究[J].华北农学报,2006,21(6):49-54. |
| |
| 作者姓名： | 金凤媚 薛俊 郏艳红 刘仲齐 |
| |
| 作者单位： | 天津市农业生物技术研究中心,天津,300192;天津市农业生物技术研究中心,天津,300192;天津市农业生物技术研究中心,天津,300192;天津市农业生物技术研究中心,天津,300192 |
| |
| 基金项目： | 天津市应用基础研究项目
,
天津市科技攻关项目 |
| |
| 摘 要： | 通过测定番茄品质特性的遗传多样性和分子标记的多态性,对番茄品种资源进行了聚类分析。结果表明,品质特性聚类分析和分子标记聚类分析最后都形成了四大类群,而且都把果实硬度大、软化速度慢、果型长圆、含水量低、可溶性固形物含量高的加工番茄聚合在了一起,说明一些分子标记可能和控制番茄加工品质特性的基因有比较紧密的连锁关系。分子标记更能灵敏地区分不同品种间的遗传差异。不同类群间品质性状的差异明显大于群内不同品种间的差异,说明聚类分析是鉴别品种资源遗传差异程度、筛选核心资源的有效手段。
|
| 关 键 词： | 番茄 品质特性 分子标记 聚类分析 |
| 文章编号： | 1000-7091（2006）06-0049-06 |
| 收稿时间： | 2006-01-18 |
| 修稿时间： | 2006-01-18 |
The Cluster Analysis on Tomato Germplasms |
| |
| JIN Feng-mei,XUE Jun,JIA Yan-hong,LIU Zhong-qi.The Cluster Analysis on Tomato Germplasms[J].Acta Agriculturae Boreali-Sinica,2006,21(6):49-54. |
| |
| Authors: | JIN Feng-mei XUE Jun JIA Yan-hong LIU Zhong-qi |
| |
| Institution: | Tianjin Agricultural Biotechnology Research Center , Tianjin 300192, China |
| |
| Abstract: | Cluster analysis on tomato germplasms were carried out based on the genetic diversity of quality traits and polymorphism of molecular markers.Experimental results showed that 4 groups were clustered by either quality traits or molecular markers.Processing tomato germplasms with high fruit firmness,slow softening speed,long-round fruit,low water content and high soluble solid content were clustered together in the two system,which indicated that some molecular markers closely linked with genes controlling processing quality traits.Genetic diversity among different cultivars could be detected by molecular markers sensitively.The quality differences among different groups were apparently greater than that among cultivars in the same group.It was concluded that cluster analysis was an efficient method for identifying genetic diversity among germplasms and screening core germplasms. |
| |
| Keywords: | Tomato Quality traits Molecular marker Cluster analysis |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
