Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Morphological Characteristics of 'Ilbon' (Ziziphus jujuba) with Higher Seed Productivity and Functional Component

종자형성능과 기능성 성분이 높은 대추 유전자원 '일본'의 형태적 특성

  • Oh, Ha Kyung (Chungcheongbuk-do Agricultural Research & Extension Services Jujube Research Institute) ;
  • Oh, Sewon (Department of Horticulture, Chungbuk National University) ;
  • Han, Hyeondae (Department of Horticulture, Chungbuk National University) ;
  • Park, Heesoon (Chungcheongbuk-do Agricultural Research & Extension Services Jujube Research Institute) ;
  • Lee, Kyeong Hee (Chungcheongbuk-do Agricultural Research & Extension Services Jujube Research Institute) ;
  • Shin, Hyunman (Chungcheongbuk-do Agricultural Research & Extension Services Jujube Research Institute) ;
  • Kim, Daeil (Department of Horticulture, Chungbuk National University)
  • 오하경 (충청북도농업기술원 대추연구소) ;
  • 오세원 (충북대학교 원예학과) ;
  • 한현대 (충북대학교 원예학과) ;
  • 박희순 (충청북도농업기술원 대추연구소) ;
  • 이경희 (충청북도농업기술원 대추연구소) ;
  • 신현만 (충청북도농업기술원 대추연구소) ;
  • 김대일 (충북대학교 원예학과)
  • Received : 2020.05.21
  • Accepted : 2020.07.09
  • Published : 2020.08.01
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Abstract

Morphological characteristics of Ziziphus jujuba accessions, including 'Ilbon', were investigated to verify the possibility of 'Ilbon' as a breeding material. 'Ilbon' has smaller leaves and fruits and a lower total soluble solids content compared to the major Z. jujuba accessions. However, total polyphenol content and antioxidant capacity were highest in 'Ilbon' among the Z. jujuba accessions. In addition, 'Ilbon' could produce intact seeds and seed productivity of 'Ilbon' was highest compared with major Z. jujuba accessions. Principal component analysis and clustering analysis using the morphological characteristics of Z. jujuba accessions have been classified them to geographical origin. In particular, 'Ilbon' was clearly distinguished from the major Z. jujuba accessions. Therefore, 'Ilbon', which has the highest seed productivity and functional component, will be used as a material for cross breeding and will promote genetic study of Z. jujuba.

본 연구는 충청북도농업기술원 대추연구소에서 보유 중인 대추 유전자원 중 형태적 다형성을 나타내는 '일본'과 주요 대추 유전자원의 형태형질을 조사하고, 대추 육종 소재로서 '일본'의 가능성을 확인하기 위해 수행되었다. '일본'은 주요 대추 유전자원과 비교하여 엽과 과실의 크기가 뚜렷하게 작고 당도가 낮았다. 하지만 과실에 폴리페놀 함량이 가장 높았으며, 항산화 능력 또한 가장 높았다. 또한 '일본'은 종자형성능이 가장 높았다. 대추 유전자원들의 형태형질을 이용하여 분석한 결과, 지리적 기원에 따라 유전자원들이 분류되었다. 특히 '일본'은 한국 및 중국 유전자원들과 명확히 구분되었다. 따라서 종자형성능이 우수하고 기능성 성분이 높은 '일본'은 추후 대추 유전연구 및 교배육종을 통한 품종 육성에 유용하게 이용될 수 있을 것으로 생각된다.

Keywords

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