Analysis of Characteristics and Test of Combining Ability in Leaf Mustard Allies

갓의 국내 수집종 및 도입종의 형질분석 및 $F_{1}$ 조합능 검정

  • Park, Han-Ju (Faculty of Plant Science and Production, Sunchon National Univ.) ;
  • Lee, In-Ho (Faculty of Plant Science and Production, Sunchon National Univ.) ;
  • Park, Jong-In (Graduate School of Life Sciences, Tohoku Univ.) ;
  • Yang, Seung-Yul (Faculty of Plant Science and Production, Sunchon National Univ.) ;
  • Nou, Ill-Sup (Faculty of Plant Science and Production, Sunchon National Univ.)
  • 박한주 (순천대학교 식물생산과학부) ;
  • 이인호 (순천대학교 식물생산과학부) ;
  • 박종인 (동북대학 생명과학과) ;
  • 양승렬 (순천대학교 식물생산과학부) ;
  • 노일섭 (순천대학교 식물생산과학부)
  • Published : 2007.08.30

Abstract

To examine taxonomic relationships among 24 leaf mustard allies (Brassica juncea) derived from domestic collections and introduced species, principal component analysis (PCA) and cluster analysis on 16 morphological characters were carried out. Of 16 characters, total fresh weight, total dry weight, shoot fresh weight and leaf length were useful characters for the understanding of taxonomic relationships among them. Cluster analysis using scores of the principal components indicated that 24 leaf mustards could be grouped into domestic collections and introduced species at 1.0 of average distance in UPGMA. Moreover, in experiment of $F_{1}$ recombination test, heterosis appeared greatly in Sanchiohbachirimen takana A ${\times}$ Akaohba takana, Goheung namyang ${\times}$ Sanchiohbachirimen takana B, and Goheung namyang ${\times}$ Akaohba takana cross combinations. Sanchiohbachirimen takana A and Akaohba takana have a high parent combining ability for breeding cultivars using cytoplasmic male sterility.

갓 김치용 품종 육성을 위하여 외국 도입종 및 국내 수집종 총 24 계통/품종에 대하여 형태적 특성을 조사하였고, 유연 관계 및 주성분 분석을 실시하였다. 주성분 분석에 있어서 총 생체중(제1), 총 건물중(제2), 지상부 생체중(제3), 엽장(제4)으로 80.5%의 전체정보를 해석할 수 있었다. Eigen value가 1이상인 주성분을 토대로 24계통/품종은 7개 그룹으로 분류되었으며, 그룹별 종수는 I군이 1종, II군이 6종, III군이 5종, IV군이 3종, V군이 3종, VI군이 4종, VII군이 2종으로 분류되었다. 또한 12개의 $F_{1}$ 조합능 검정용 교배조합 중 Sanchiohbachirimen takana A ${\times}$ Akaohba takana, Goheung namyang ${\times}$ Sanchiohbachirimen takana A 및 Goheung namyang ${\times}$ Akaohba takana 조합에서 잡종강세가 크게 나타났다. 고수량성 갓 김치 품종육성을 위한 친능성(Parents ability)이 높은 교배친으로 Sanchiohbachirimen takana A와 Akaohba takana가 선발되었다.

Keywords

References

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