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2022 Vol.35, Issue 5 Preview Page

Research Article

A Statistical Analysis of Phenotypic Diversity Based on Genetic Traits in Barley Germplasms

특성평가 정보를 활용한 보리 유전자원 형태적 형질 다양성의 통계적 분석

Dong Su Yu1*
,
Myoung-Jae Shin1
,
Jin-Cheon Park2
,
Manjung Kang3
유 동수1*
,
신 명재1
,
박 진천2
,
강 만정3
1Researcher, National Institute of Agricultural Sciences, RDA, Jeonju 54874, Korea
2Researcher, National Institute of Crop Science, RDA, Wanju, 55365, Korea
3Senior Researcher, National Institute of Agricultural Sciences, RDA, Jeonju 54874, Korea
1농촌진흥청 국립농업과학원, 연구사
2농촌진흥청 국립식량과학원, 연구사
3농촌진흥청 국립농업과학원, 연구관
*Corresponding Author
1 October 2022. pp. 641-652
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Abstract

The biodiversity research of barley, a functional food, is proceeding to conserve germplasms and develop new cultivar of barley to improve its functional effects. In this study, with 25,104 barley germplasms in the National Agrobiodiversity Center, South Korea, the biodiversity index of species was much lower (1.17) than the origins (24.73) because of the presence of a biased species, Hordeum vulgare subsp. vulgare, but the species and origin of germplasms were significantly different with regard to genetic traits. In the clustering analysis based on genetic traits, we found that 97% barley germplasms could mostly be distributed between 1~7 clusters out of a total of 15 clusters; ‘normal and uzu type’, ‘lodging’, and ‘loose smut’ were commonly represented in the 1~7 clusters and some clusters showed specific differences in five genetic traits including ‘growth habit’. In correlation of each genetic trait, the infection of ‘barley yellow mosaic virus’ was highly correlated to ‘number of grains per spike’. ‘1000 grain weight’ was weakly correlated with seven genetic traits including ‘number of grains per spike’. Our analysis for barley’s biodiversity can provide a useful guide to the species’ phenotypes that need to be collected to conserve biodiversity and to breed new barley varieties.

Keywords
Barley
Biodiversity
Genetic traits
Germplasm
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 35
  • No :5
  • Pages :641-652
  • Received Date : 2022-07-21
  • Revised Date : 2022-09-05
  • Accepted Date : 2022-09-06
  • DOI :https://doi.org/10.7732/kjpr.2022.35.5.641
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