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팥배나무 집단의 열매의 형태적 특성에 의한 다변량분석과 선발효과추정

Multivariate Analysis on Fruit Morphological Characteristics and Estimation on Selection Effect of Selected Individuals of Sorbus alnifolia (Sieb. et Zucc.) K. Koch

  • 김문섭 (국립산림과학원 특용자원연구과) ;
  • 김세현 (국립산림과학원 특용자원연구과) ;
  • 한진규 (국립산림과학원 산림유전자원과) ;
  • 권해연 (국립산림과학원 특용자원연구과) ;
  • 송정호 (국립산림과학원 특용자원연구과) ;
  • 김혜수 (국립산림과학원 특용자원연구과)
  • Kim, Moon Sup (Division of Special-purpose Tree, Korea Forest Research Institute) ;
  • Kim, Sea Hyun (Division of Special-purpose Tree, Korea Forest Research Institute) ;
  • Han, Jingyu (Division of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Kwon, Hae Yun (Division of Special-purpose Tree, Korea Forest Research Institute) ;
  • Song, Jeong Ho (Division of Special-purpose Tree, Korea Forest Research Institute) ;
  • Kim, Hyeusoo (Division of Special-purpose Tree, Korea Forest Research Institute)
  • 투고 : 2014.01.14
  • 심사 : 2014.03.26
  • 발행 : 2014.06.30

초록

본 연구는 팥배나무의 열매에 대한 우수개체 선발을 위한 기초자료를 얻고자 11개 집단에서 총 107개체를 선발하여 선발목 열매의 형태적 특성 변이를 조사하고 주성분 분석과 군집분석을 실시하였으며 열매 특성에 의한 선발효과를 추정하였다. 주성분 분석 결과, 제4 주성분까지 75.4%의 설명력을 나타냈으며 군집분석에서는 4 그룹으로 구분되어짐을 알 수 있었다. 열매 수확량과 관련된 특성인 열매 폭과 길이 그리고 송이 당 수확량 특성을 대상으로 광교산1, 2와 덕유산7 그리고 마니산 29, 30 등 5개체의 우수개체 후보목을 선발하였다. 선발개체 5본에 대해서 전체 평균 형질과 비교하여 선발효과를 추정한 결과, 열매 폭은 122.8%, 열매 길이는 115.5%, 송이 당 수확량은 182.7%의 선발효과를 추정할 수 있었다.

In order to select superior trees based on fruit characteristics and provide basic informations necessary for their improvement, total 107 individual trees of Sorbus alnifolia (Sieb. et Zucc.) K. Koch were selected from 11 wild populations in South Korea. After collecting normal fruit branch, we investigated morphological characteristics of fruit and then considered its relationship among the 11 populations by multivariate analysis method. Results from principal compound analysis showed that it represented 85.8% accumulated explanation from five principal compounds. According to cluster analysis based on fruit characteristics, the natural S. alnifolia populations were classified into four groups and Mt. Mani population was different from other populations. Selection effect with outstanding candidate trees including superior 5 individual trees (Gwangyo 1, Gwangyo 2, Deogyu 7, Mani 29, Mani 30) was estimated at 122.8%, 115.5% and 182.7% in fruit width, length and yield per fruit bunch, respectively. The object of this results will give us invaluable information about breeding by selection of S. alnifolia in south Korea.

키워드

참고문헌

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피인용 문헌

  1. 국내자생 팥배나무 11개 천연집단의 잎 형태적 특성과 변이 vol.32, pp.1, 2019, https://doi.org/10.7732/kjpr.2019.32.1.029