黄麻种质资源遗传多样性的SRAP分析

陶爱芬; 祁建民; 粟建光; 方平平; 林荔辉; 徐建堂; 吴建梅; 林培清

doi:10.3724/SP.J.1142.2012.20178

黄麻种质资源遗传多样性的SRAP分析

1.
作物遗传育种与综合利用教育部重点实验室/福建农林大学,福州 350002
2. 中国农业科学院麻类研究所,长沙 410205

基金项目: 国家自然科学基金项目(31000734);国家麻类产业技术体系(CARS-19-E06);南方麻类种质资源平台建设项目(2010N2002)。

详细信息

通讯作者:
祁建民, E-mail: qijm863@163.com

中图分类号: S563.4
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出版历程
- 收稿日期: 2011-08-16
- 修回日期: 2011-12-15
- 发布日期: 2012-04-29

Analysis of Genetic Diversity of Jute (Corchorus L.) Germplasm Revealed by SRAP

1.
Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
2. Institute of Bast Fiber Crops, Chinese Academy, Agriculture Sciences, Changsha 410205, China

摘要

摘要: 为明确黄麻(Corchorus L.)种质资源的遗传多样性,采用SRAP分子标记方法,对来自13个国家的两个黄麻栽培种及野生种共96份黄麻种质资源进行了分析。研究结果如下:(1)供试黄麻种质资源之间的遗传距离在0.0169至0.9667之间,变幅较大,其中近缘野生种与其他种质的遗传距离最大,基本在0.8以上;圆果栽培黄麻与其他种质的遗传距离最小,平均<0.5。(2)当在聚类图上遗传距离为0.53处划切割线L₁时,96份黄麻种质资源被分为两个大类群(Ⅰ、Ⅱ)、一个小类群(Ⅲ)和5个独立个类。(3)当在遗传距离为0.33处作切割线L₂时,各大类群被分为不同的亚类群,并表现出按地域聚类的趋势。(4)供试黄麻种质资源基于SRAP分子标记的聚类与形态学上的表现并不完全一致。
- 黄麻 /
- SRAP /
- 遗传多样性
Abstract: To clarify the genetic relationship of 96 jute (Corchorus L.) accessions including 6 species from 13 countries,sequence-related amplified polymorphism (SRAP) molecular mar-kers were used in the present study.The results showed that: (1) Genetic distance of 96 jute germplasms exhibited a large variation from 0.0169 to 0.9667,among which the relative wild species had the largest genetic distance with other germplasms,while the C.capsularis cultivars had the least genetic distance with others.(2) All 96 germplasms were classified into 3 groups and 5 unique types at the level of L₁=0.53.(3) Each group was classified into different sub-groups at the level of L₂=0.33,which showed classification according to their origins.(4) The classification of jute germplasms based on SRAP markers did not necessarily show a relationship with morphological performance.
- Jute (Corchorus L.) /
- SRAP /
- Genetic diversity

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参考文献(17)

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黄麻种质资源遗传多样性的SRAP分析

通讯作者: 祁建民, E-mail: qijm863@163.com

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Analysis of Genetic Diversity of Jute (Corchorus L.) Germplasm Revealed by SRAP

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通讯作者:
祁建民, E-mail: qijm863@163.com