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ISSN : 1225-5009(Print)
ISSN : 2287-772X(Online)
Flower Research Journal Vol.30 No.S pp.16-16
DOI : https://doi.org/10.11623/frj.2022.30.S.16

Seed Dormancy Type and Germination Characteristics in Aster meyendorfii (Regel & Maack) Voss

Song E Jung1, Jin Ju Baek1, Seung Youn Lee1,2,3*
1Department of Horticulture and Breeding, Graduate School of Andong National University, Andong 36792, Korea
2Division of Horticulture & Medicinal Plant, Andong National University, Andong 36792, Korea
3Agricultural Science and Technology Research Institute, Andong National University, Andong 36792, Korea

Acknowledgment: This research was supported by KIST ORP program (BlueBell Research program 2E31300-21-147) and by the National Research Foundation of Korea (NRF) grantfunded by the Korea government (MSIT) (No. 2020R 1G1A1014598).

*Corresponding author: Seung Youn Lee
Tel. +82-54-820-5472, E-mail: mrbig99@anu.ac.kr

Abstract

Aster meyendorfii (Regel & Maack) Voss, which has known as an edible plant, belongs to the Asteraceae family and is distributed in various parts of Korea. Many of the plants included in the genus of Aster have high ornamental value and suitable as materials for ground covering. Therefore, the purpose of our experiment was to develop a propagation protocol for using as a garden plant. As a result of a water absorption test for 72 hours to determine the impermeability of the seed coat, it showed a high absorption rate of 114%. The germination rate was investigated in the environment with 4 temperature regimes of 4, 15/6, 20/10, 25/15℃ in light (12 h photoperiod / day) or in continuous dark. The seeds germinated to 93, 86, 94 and 93% at light conditions, 96, 67, 91, and 89% by week 6 at dark conditions, respectively. After cold stratification for 0, 4, 8, or 12 weeks at 4oC, the seeds germinated to 92, 100, 100, and 98%, respectively, at 20/10oC for 3 weeks of incubation. Seeds treated with GA3 (0, 10, 100, or 1000 mg･L-1), germinated to 90, 91, 89, and 93%, by week 6 at 25/15oC, respectively. As a result of incubation at 15/6°C, 88, 70, 71, and 89% were observed. We found that the embryos were fully developed when dispersed. A. meyendorfii seeds are non-dormant at maturity.

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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