Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Genetic Variation of Native Perilla Germplasms Collected from South Korea Using SSR Markers and Morphological Characteristics

Version 1 : Received: 21 July 2021 / Approved: 22 July 2021 / Online: 22 July 2021 (08:04:28 CEST)

How to cite: Oh, J.S.; Sa, K.J.; Park, H.; Hyun, D.Y.; Lee, S.; Rhee, J.; Lee, J.K. Genetic Variation of Native Perilla Germplasms Collected from South Korea Using SSR Markers and Morphological Characteristics. Preprints 2021, 2021070509 (doi: 10.20944/preprints202107.0509.v1). Oh, J.S.; Sa, K.J.; Park, H.; Hyun, D.Y.; Lee, S.; Rhee, J.; Lee, J.K. Genetic Variation of Native Perilla Germplasms Collected from South Korea Using SSR Markers and Morphological Characteristics. Preprints 2021, 2021070509 (doi: 10.20944/preprints202107.0509.v1).

Abstract

Using morphological characteristics and SSR markers, we evaluated the morphological and genetic variation of 200 Perilla accessions collected from the five regions of South Korea and other region. In morphological characteristics analysis, particularly, leaf color, stem color, degree of pubescence, leaf size were found to be useful for distinguishing the characteristics of native Perilla accessions cultivated in South Korea. A total of 137 alleles were identified in the 20 simple sequence repeat (SSR) markers, and the number of alleles per locus ranged from 3 to 13, and the average number of alleles per locus was 6.85. The average gene diversity (GD) was 0.649, with a range of 0.290-0.828. From analysis of SSR markers, accessions from the Jeolla-do and Gyeongsang-do regions showed comparatively high genetic diversity values compared with those from other regions in South Korea. In the unweighted pair group method with arithmetic mean (UPGMA) analysis, the 200 Perilla accessions were found to cluster into three major groups and an outgroup with a genetic similarity of 42%, and did not showed a clear geographic structure from the five regions of South Korea. Therefore, it is believed that landrace Perilla seeds are frequently exchanged by farmers through various routes between the five regions of South Korea. The results of this study are expected to provide useful information for conservation of these genetic resources and selection of useful resources for the development of varieties for seeds and leafy vegetables of cultivated var. frutescens of Perilla crop in South Korea.

Subject Areas

Perilla crop; genetic resources; morphological traits; principal component analysis; SSR marker; genetic variation

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