Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Analysis of Quantitative Trait Loci for Yield Component Traits in Soybean Using Recombinant Inbred Lines

콩에서 수량구성요인과 관련된 양적형질유전자좌의 분석

  • Kim, Hyeun-Kyeung (Bioresources Development Institute, Pusan National University) ;
  • Oh, Ki-Won (Yeongnam Agricultural Research Institute, NICS, RDA) ;
  • Choi, In-Soo (School of Resources and Life Science, Pusan National University) ;
  • Kang, Jum-Soon (School of Resources and Life Science, Pusan National University) ;
  • Choi, Young-Whan (School of Resources and Life Science, Pusan National University) ;
  • Lee, Yong-Jae (School of Resources and Life Science, Pusan National University) ;
  • Park, Young-Hoon (School of Resources and Life Science, Pusan National University) ;
  • Son, Beung-Gu (School of Resources and Life Science, Pusan National University)
  • 김현경 (부산대학교 생명자원개발연구소) ;
  • 오기원 (작물과학원 영남농업연구소) ;
  • 최인수 (부산대학교 생명자원과학대학) ;
  • 강점순 (부산대학교 생명자원과학대학) ;
  • 최영환 (부산대학교 생명자원과학대학) ;
  • 이용재 (부산대학교 생명자원과학대학) ;
  • 박영훈 (부산대학교 생명자원과학대학) ;
  • 손병구 (부산대학교 생명자원과학대학)
  • Published : 2007.05.25
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Abstract

Seed and pod numbers are the main yield components in soybean. Selection for increased yield potential is main goal of plant breeding. The objective of this study was to identify quantitative trait loci(QTLs) that control pod number per plant, seed number per plant and pod in soybean. The 117 $F_{2:10}$ recombinant inbred lines(RILs) developed from a cross of 'Keunolkong' and 'Shinpaldalkong' were used. Two independent QTLs for pod number per plant were identified from linkage group(LG) F and L. Two QTLs for seed number per plant were located on LG F and L. Seed number per pod was related with three QTLs located on LG D1a, D1b and F. Pod and seed number per plant have two common QTLs on LG F and L.

콩에서 종자의 수와 협의 수가 주된 수량구성요소이다. 그리고 육종의 주된 목표는 수량을 증가시키기 위한 요인들을 선발하는 것이다. 따라서 본 연구의 목적은 큰올콩과 신팔달콩의 $F_{10}$세대의 RIL계통을 이용하여 주당협수와 주당립수 및 협당립수를 조절하는 양적형질유전자좌(QTL)를 확인하는 것이다. 주당협수와 연관된 QTL은 개별 마커들과의 분산분석 결과, 연관군 F와 L에서 2개의 QTL을 탐색하였으며, 주당립수도 연관군 F와 L에서 2개의 QTL을 탐색하였다. 협당립수는 연관군 D1a와 D1b 및 F에서 3개의 QTL을 탐색하였다. 따라서 주당협수와 주당립수와 관련된 QTL 연관군 F와 L에서 공통으로 탐색되었는데, 이는 품종 육성과정에서 이들 형질과 관련한 선발 마커로서 활용 가치가 높은 것으로 판단된다.

Keywords

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