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ISSN : 1225-5009(Print)
ISSN : 2287-772X(Online)
Flower Research Journal Vol.30 No.S pp.15-15
DOI : https://doi.org/10.11623/frj.2022.30.S.15

Native Habitat and Seed Germination Characteristics of Minuartia verna var. coreana (Nakai) H. Hara, a Rare and an Endemic Species in the Korean Peninsula

Seung Youn Lee1,2*, Jae Min Chung3
1Department of Horticulture and Breeding, Graduate School of Andong National University, Andong 36729, Korea
2Division of Horticulture & Medicinal Plant, Andong National University, Andong 36729, Korea
3Division of Plant Resources, Korea National Arboretum, Yangpyeong, 12519, Korea

Acknowledgment : This work was supported by a grant from 2019 Research Fund of Andong National University and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1G1A1014598).

*Corresponding author: Seung Youn Lee
Tel. 054-820-5472, E-mail: mrbig99@anu.ac.kr

Abstract

Minuartia verna var. coreana (Nakai) H. Hara is a native species in the Korean Peninsula and has been reported as a rare and an endemic plant. In this study, we investigated the native vegetation and seed germination characteristics of M. verna var. coreana for the purpose of conservation and horticultural use. It has been found that the species grows naturally on the sand dunes that have been weathered over a long period of time in the limestone zone. A total of 60 species of plants were growing wild around the native habitat. Among the 60 species that appeared, EN (endangered) was three species (Prunus choreiana, Iris ruthenica, and Pulsatilla tongkangensis) according to the IUCN category, and VU (Vulnerable) was three species (Thymus quinquecostatus, Bupleurum komarovianum, and Cimicifuga heracleifolia var. bifida) and LC (Least concerned) was three species (Lithospermum erythrorhizon, Salvia chanryoenica, and Patrinia saniculaefolia). Plants endemic to the Korean Peninsula were five species of M. verna var. coreana, P. choreiana, Sillaphyton podagraria, C. heracleifolia var. bifida, and P. tongkangensis. The seeds of M. verna var. coreana had fully developed embryos during dispersal. The seeds germinated to 53.7 and 95.6% at 20/10 and 25/15℃ for 55 days, respectively. Since 41% of the seeds germinated at 31 days of incubation at 20/10℃, about 60% of the seeds had ‘conditional dormancy’. Since 90.6 and 38.9% of the seeds germinated under light and dark conditions, respectively, it showed the possibility of forming a ‘soil seed bank’ in the case of seeds buried in the ground.

초록

 

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  2. Journal Abbreviation : 'Flower Res. J.'
    Frequency : Quarterly
    Doi Prefix : 10.11623/frj.
    ISSN : 1225-5009 (Print) / 2287-772X (Online)
    Year of Launching : 1991
    Publisher : The Korean Society for Floricultural Science
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