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ISSN : 1225-5009(Print)
ISSN : 2287-772X(Online)
Flower Research Journal Vol. No. pp.231-235
DOI : https://doi.org/10.11623/frj.2024.32.4.01

Dormancy and Germination Characteristics of Syringa reticulata Seeds
개회나무 종자의 휴면 및 발아특성

Young Hyun Kwon1†, Si Young Oh2†, Chung Ho Ko3, Yong Ha Rhie4,5*
권영현1†, 오시영2†, 고충호3, 이용하4,5*
1Agriculture and Life Science Research Institute, Kangwon National University, Chuncheon 24341, Korea
2Department of Horticulture and Forestry, Pai Chai University, Daejeon 35345, Korea
3Division of Plant Resources, Korea National Arboretum, Yangpyeong 12519, Korea
4Department of Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Korea
5Department of Horticulture, Kangwon National University, Chuncheon 24341, Korea

1강원대학교 농업생명과학연구원
2배재대학교 원예산림학과
3국립수목원 식물자원연구과
4강원대학교 스마트농업융합학과
5강원대학교 원예학과

Abstract

Syringa reticulata is a deciduous broad-leaved tree in the Oleaceae family, valued for its ornamental and medicinal uses. This study investigated dormancy-breaking and germination characteristics in S. reticulata seeds to establish a mass propagation system. The research focused on internal and external seed characteristics, water absorption rate, alternating temperature treatments (25°C/15°C, 20°C/10°C, 15°C/6°C, and 5°C), cold stratification treatments (0, 4, 8, and 12 weeks), and growth regulator concentrations (GA3 at 0, 10, 100, and 1000 mg･L-1). The results revealed that the seed embryo was fully developed, and the water absorption rate increased by approximately 39.18% from the initial level. Germination rates were at their highest (69.2%) Notably, seeds without cold stratification exhibited the highest germination rate, indicating that cold stratification did not markedly affect S. reticulata germination. Growth regulator treatments led to higher germination percentages at 100 and 1000 mg･L-1 GA3 concentrations. These results indicate that S. reticulata seeds exhibit physiological dormancy, specifically non-deep physiological dormancy.

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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