Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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A Study on the Native Environment and Cutting Propagation for the Black-berry Magnolia Vine [Schisandra repanda (Siebold & Zucc.) Radlk] in Halla Mountain

한라산 흑오미자의 자생환경 및 삽목증식 연구

  • Boo, Jae Yoon (Jeju Special Self-Governing Province Hallasan National Park) ;
  • Kim, Ju Sung (Department of Ecofriendly Agricultural Sciences, Jeju National University)
  • 부재윤 (제주특별자치도 한라산국립공원 공원운영팀) ;
  • 김주성 (제주대학교 친환경농학과)
  • Received : 2020.08.03
  • Accepted : 2020.10.02
  • Published : 2020.10.30
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Abstract

Background: The recent, decline in Black-berry Magnolia Vine (Schisandra repanda; BMV) native to Jeju Island, Korea, has raised concerns about the causes of this decline. We investigated the native environment of S. repanda and evaluated its propagation through cuttings to provide preliminary data for its restoration in Jeju Island. Methods and Results: The native environment of the BMV in the Hallasan National Park was surveyed and the climatic variables (temperature and humidity) were analyzed. The effects of the sex of the donor plant (male/female) type of cutting (softwood/hardwood), and treatment with a plant growth regulator (indole-3-butylic acid/rootone) on the rooting of BMV were investigated. Additinallly, the rooting rate, root count, and root length, as well as temperature and humidity were measured in the vinyl moist chambers. BMV was observed in 63 plants distributed from 567 m to 1,364 m above sea level of the Hallasan National Park. In the cutting experiment, the rooting rate was 71.9%, and it was higer in female plants (75.0%) than in male plants (68.8%). Conclusions: The mass propagation of BMV through cuttings valuable for its restoration as without such safeguard measures, the population could face extinction within a few decades.

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References

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