ZHENG Shu-bo,YU Sheng-zhu,ZHAO Hong-kun,et al.Genetic Diversity of Small Seeded Soybean Varieties from Heilongjiang and Jilin Assessed by ISSR Markers[J].Soybean Science,2018,37(03):347-352.[doi:10.11861/j.issn.1000-9841.2018.03.0347]
利用ISSR标记评价黑龙江和吉林小粒大豆品种遗传多样性
- Title:
- Genetic Diversity of Small Seeded Soybean Varieties from Heilongjiang and Jilin Assessed by ISSR Markers
- Keywords:
- Small seeded soybean; Genetic diversity; ISSR marker
- 文献标志码:
- A
- 摘要:
- 为评价黑龙江省和吉林省小粒大豆品种的遗传多样性,从100个ISSR引物中筛选出多态性好的引物10个,对来自吉林省与黑龙江省的24份小粒大豆品种进行遗传多样性分析。结果表明:10个ISSR引物多态性信息含量为0.211 2~0.310 3,平均为0.249 6。ISSR标记指数为1.093 8~4.954 9,平均为2.890 3。24份小粒大豆的DICE相似系数为0.666 7~0.926 2,整体平均相似系数为0.794 3。吉林省小粒大豆品种之间的遗传相似系数范围(0.690 7~0.926 0)大于黑龙江小粒大豆品种之间的遗传相似系数范围(0.744 2~0.925 0)。聚类分析将供试材料分为4个类群,类群Ⅰ和类群Ⅱ均为吉林省小粒大豆品种,类群Ⅲ可以分为2个亚群。主坐标分析与聚类分析的结果基本一致。本研究结果可为小粒大豆遗传改良提供参考。
- Abstract:
- 24 different small seeded soybean varieties from Jilin and Heilongjiang provinces were analyzed by 10 ISSR markers which were selected from 100 UBC ISSR primers. The result showed that the polymorphic information content of 10 ISSR primers ranged from 0.211 2 to 0.310 3 with an average of 0.249 6. The ISSR marker indexes ranged from 1.093 8 to 4.954 9, with an average of 2.890 3. The genetic similarity coefficient between 24 small seeded soybean varieties varied from 0.666 7 to 0.926 2 with an average of 0.794 3. The genetic similarity coefficient range (0.690 7-0.926 2) of small seeded soybean varieties from Jilin province was greater than that (0.744 2-0.925 0) of small seeded soybean varieties from Heilongjiang. The average similarity coefficient of small seeded soybean varieties (0.798 2) from Jilin was slightly lower than that of small seeded soybean varieties (0.798 9) from Heilongjiang. This result indicated that the genetic variation of small seeded soybean varieties from Jilin province was more abundant. 4 clustering groups were suggested by clustering analysis. The small seeded soybean varieties in GroupⅠand GroupⅡ were all from Jilin province, Group Ⅲ could be divided into 2 subgroups. The result of principle coordinate analysis was consistent with that of cluster analysis. The results in this study could provide reference for genetic improvement of small seeded soybean.
参考文献/References:
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备注/Memo
收稿日期:2017-08-15