ASSESSMENT OF THE GENETIC DIVERSITY IN SUGAR BEET (BETA VULGARIS L.) USING SSR MARKERS

IF 1.6 Q3 PLANT SCIENCES

Sabrao Journal of Breeding and Genetics Pub Date : 2023-10-31 DOI:10.54910/sabrao2023.55.5.15

A AMANGELDIYEVA, A DANIYAROVA, LK TABYNBAYEVA, S BASTAUBAYEVA, N KOVALCHUK, R YERZHEBAYEVA

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引用次数: 0

Abstract

The genetic diversity and homogeneity of sugar beet (Beta vulgaris L.) source lines underwent analysis to select the promising parental pairs for hybridization. The 420 individual plants from 21 sugar beet lines served as research materials. A result of the study of polymorphism with nine SSR markers obtained 22 alleles, with an average of 2.4 alleles per marker. The Bvv155 marker emerged as the most useful for detecting the genetic diversity of sugar beet lines and predicting heterosis. Identifying the FDSB1002, FDSB1007, and FDSB957 markers as polymorphic determined the intra-linear heterogeneity of the source material. The analysis of molecular variance showed that in the studied sugar beet samples, the highest variation was prominent among the populations (48%), while heterogeneity within the population was 21%. The genetic distances between pollinator lines and lines with cytoplasmic male sterility ranged by 1.4–3.5 (Euclidean distances) and 0.12–1.0 (Nei’s distances). Distinguishing seven parent pairs of sugar beet attained endorsement for crosses having Nei’s genetic distance of D = 0.81 will create highly productive hybrids. The presented results may play a vital role in developing heterotic hybrids in sugar beet through a practical breeding program.

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甜菜(beta vulgaris l .)遗传多样性评价使用SSR标记

通过对甜菜(Beta vulgaris L.)源系遗传多样性和均匀性的分析，选择有潜力的亲本对进行杂交。以21个甜菜品系的420株单株为研究材料。用9个SSR标记进行多态性分析，得到22个等位基因，平均每个标记有2.4个等位基因。Bvv155标记在甜菜品系遗传多样性检测和杂种优势预测中应用最为广泛。鉴定FDSB1002、FDSB1007和FDSB957标记为多态性确定了源材料的线性内异质性。分子方差分析表明，在所研究的甜菜样品中，居群间变异最大(48%)，居群内异质性为21%。传粉系与细胞质雄性不育系之间的遗传距离为1.4 ~ 3.5(欧氏距离)和0.12 ~ 1.0(内氏距离)。对Nei’s遗传距离为D = 0.81的杂交品种区分7对亲本，可获得高产的杂交品种。本研究结果对甜菜杂种优势育种具有重要意义。

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来源期刊

Sabrao Journal of Breeding and Genetics 农林科学-奶制品与动物科学

CiteScore

1.90

自引率

50.00%

发文量

期刊介绍： The SABRAO Journal of Breeding and Genetics is an international journal of plant breeding and genetics research and was first published in 1969. It is the official publication of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO). Its objectives are to: promote the international exchange of research information on plant breeding and genetics, by describing new research findings, or ideas of a basic or practical nature; and be a medium for the exchange of ideas and news regarding members of the Society. The Journal gives priority to articles that are of direct relevance to plant breeders and with emphasis on the Asian region. Invited for publication are research articles, short communications, methods, reviews, commentaries, and opinion articles. Scientific contributions are refereed and edited to international standards. The journal publishes articles for SABRAO members mainly. The Journal preferred strongly that at least one author should be a current member of the Society. Non-members may also publish in the journal.