糖用甜菜种质资源多样性分析
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内蒙古自治区农牧业科学院

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国家糖料产业技术体系—甜菜抗病品种改良岗位;内蒙古自治区“揭榜挂帅”项目—甜菜优异种质创制与适宜机械化作业品种选育;内蒙古自治区科技计划项目—甜菜优异种质资源创制及新品种选育


Diversity Analysis of Sugar beet Germplasm Resources
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1.Inner Mongolia Academy of Agriculture &2.Animal Husbandry Sciences

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National Sugar Industry Technology System-Sugar Beet Disease Resistant Variety Improvement;Inner Mongolia Autonomous Region's "List of Commanders" Project - Selection and Breeding of Varieties Suitable for Mechanised Operations and Creation of Excellent Germplasm of Sugar Beet;Science and Technology Programme of Inner Mongolia Autonomous Region - Creation of Excellent Germplasm Resources and Selection and Breeding of New Varieties of Sugar Beet

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    摘要:

    为了探明现有甜菜种质资源材料和国外引进资源材料间的主要农艺性状的遗传多样性,本研究对679份国内外甜菜种质资源材料的12个农艺性状进行了遗传多样性分析,主成分分析和表型聚类分析。结果表明:鉴定的9个描述型农艺性状,其遗传多样性指数在0.5876-1.4250之间,均值为1.0058。3个数值型农艺性状中块根产量和蔗糖含量的数值变异幅度最大的材料均来自中国内蒙古,产量变异系数最大的材料为来自荷兰的引进材料,蔗糖含量变异系数最大的材料来自法国。在产糖量方面,变异系数最高和变异幅度最大的是英国莱恩的引进资源材料。聚类分析结果表明,679份材料可以分为4类,内蒙古地区的材料有99.13%,单独分为一类,说明在对于国外的引种方面,目的明确,引入的不同种类的国外材料也可以使表型的资源库更为完善。

    Abstract:

    To explore the genetic diversity of key agronomic traits among the existing sugar beet germplasm resource materials and the foreign introduced resource materials, genetic diversity analysis, principal component analysis and phenotypic clustering analysis of 12 agronomic traits of 679 domestic and foreign sugar beet germplasm resource materials were conducted in this study. The results showed that the nine identified descriptive agronomic traits had genetic diversity indices ranging from 0.5876 to 1.4250 with a mean of 1.0058. The materials with the highest magnitude of numerical variation for tuber yield and sucrose content among the three numerical agronomic traits were all from Inner Mongolia, China, the material with the highest coefficient of variation for yield was an introduced material from the Netherlands, and the material with the highest coefficient of variation for sucrose content was from France. The highest coefficient of variation and magnitude of variation in sugar yield was found in the introduced material from Lane, UK. The results of cluster analysis showed that 679 materials could be divided into four categories, and 99.13% of the materials from Inner Mongolia could be divided into one category, indicating that in terms of introducing foreign species, the purpose is clear, and the introduction of different kinds of foreign materials can also make the phenotypic resource base more complete.

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  • 收稿日期:2024-01-31
  • 最后修改日期:2024-07-16
  • 录用日期:2024-08-19
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