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http://dx.doi.org/10.7732/kjpr.2021.34.1.079

Classification of Garlic Germplasms Based on Agronomic Characteristics and Multivariative Analysis  

Lee, Jae Sun (Chungcheongbuk-do Agricultural Research & Extension Services)
Park, Young Uk (Chungcheongbuk-do Agricultural Research & Extension Services)
Jeong, Jae Hyun (Chungcheongbuk-do Agricultural Research & Extension Services)
Kwon, Young Hee (Chungcheongbuk-do Agricultural Research & Extension Services)
Chang, Who Bong (Chungcheongbuk-do Agricultural Research & Extension Services)
Lee, Hee Du (Chungcheongbuk-do Agricultural Research & Extension Services)
Publication Information
Korean Journal of Plant Resources / v.34, no.1, 2021 , pp. 79-88 More about this Journal
Abstract
This research was conducted to investigate the genetic diversity and select useful accession with agronomic characteristics of garlic (Allium sativum L.). germplasms at Garlic Research Institute in Chungbuk Agricultural Research and Extension Service. Morphological diversity and relationships among 160 germplasms collected from 26 countries were assessed by methods of clustering and principal component analysis. Among 11 types of leaves and bulbs characteristics, emergence days of leaf showed the highest variation with coefficient of variation of 84.8%, and the bulb weight and the number of scales showed higher variability with 24.3%. Correlation analysis based on 11 quantitative traits showed that bulb weight and bulb length have very high positive correlation with bulb quantity. Plant height, leaf length, and number of leaves showed positive correlation with bulb weight as collections with better performance in growth produced large bulb with higher quality. The cluster analysis based on 5 principal components generated 6 clusters with an average distance of 1.6 among clusters. Domestic genetic resources were the largest with 36 species (22.5%) in group II.
Keywords
Agronomic Characteristics; Cluster analysis; Garlic; Germplasms; Multivariate analysis;
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