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2022 Vol.35, Issue 1 Preview Page

Research Article

Germination Characteristics in Seeds of Broussonetia kazinoki Siebold ex Siebold & Zucc (Moraceae) Native to East Asia

동아시아 특산식물 애기닥나무 Broussonetia kazinoki Siebold ex Siebold & Zucc (Moreaceae) 종자의 발아특성

Gun Mo Kim1†
,
Jae Min Chung2†
,
Ji Young Jung2
,
Hyeok Jae Choi3
,
Seung Youn Lee45*
김 건모1†
,
정 재민2†
,
정 지영2
,
최 혁재3
,
이 승연45*
1Graduate Student, Department of Horticulture and Breeding, Andong National University, Andong 36792, Korea
2Researcher, Division of Plant Resources, Korea National Arboretum, Yangpyeong 12519, Korea
3Professor, Department of Biology and Chemistry, Changwon National University, Changwon 51144, Korea
4Professor, Department of Horticulture and Breeding, Andong National University, Andong 36792, Korea
5Professor, Division of Horticulture & Medicinal Plant, Andong National University, Andong 36792, Korea
1국립안동대학교 원예육종학과, 대학원생
2국립수목원 식물자원연구과, 연구사
3국립창원대학교 생물·화학융합학부, 교수
4국립안동대학교 원예육종학과, 교수
5국립안동대학교 원예·생약융합학부, 교수
*Corresponding Author
†These authors contributed equally to this work.
1 February 2022. pp. 36-43
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Abstract

This research was conducted to develop a seed propagation protocol for the use of Broussonetia kazinoki Siebold ex Siebold & Zucc, which native to East Asia. Light and temperature conditions, GA3 treatment, and low-temperature stratification were performed to evaluate the germination characteristics. The germination percentage at 4, 15/6, 20/10 and 25/15℃ was 0, 42. 5, 44. 4 and 91.7%, respectively. Thus, the optimal germination temperature of the B. kazinoki seeds was 25/15℃. Although germination was delayed by relatively low temperature conditions, GA3 treatment allowed for increased germination rates even under the low temperature conditions. Cold stratification reduced time to germination. Relatively low germination percentages at 20/10℃ and 15/6℃ indicated that the seeds had been under the state of conditional dormancy. Through this study, B. kazinoki seeds have conditional dormancy because they can be germinated through GA3 treatment even under relatively low temperature conditions and it is judged that it will support the commercial propagation practice in the future.

Keywords
Cold stratification
Dormancy type
GA3
Moraceae
Propagation protocol
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 35
  • No :1
  • Pages :36-43
  • Received Date : 2021-07-28
  • Revised Date : 2021-10-18
  • Accepted Date : 2021-10-19
  • DOI :https://doi.org/10.7732/kjpr.2022.35.1.036
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