Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Vr-Wr Analysis of Yield Characters in Cotton

목화 주요형질의 Vr-Wr그래프 분석

  • Choi Chu-Ho (Dept. of Crop Science & Biotechnology Jinju National University) ;
  • Lee Shin-Woo (Dept. of Crop Science & Biotechnology Jinju National University) ;
  • Lee Cheol-Ho (Dept. of Crop Science & Biotechnology Jinju National University) ;
  • Chun Hyun-Sik (Dept. of Crop Science & Biotechnology Jinju National University)
  • 최주호 (진주산업대학교 작물생명과학과) ;
  • 이신우 (진주산업대학교 작물생명과학과) ;
  • 이철호 (진주산업대학교 작물생명과학과) ;
  • 전현식 (진주산업대학교 작물생명과학과)
  • Published : 2005.06.01
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Abstract

The quantitative inheritance of some yield characters in Gosyium spp was carried out by means of a $10\times10$ diallel cross. In this study, 45 combinations of $F_1\;and\;F_2$ generations were genetically analyzed through 10 different cultivars diallel cross population of cotton (Gosyium spp) at an experimental field. The results of Vr-Wr graph analysis of six characters such as number of boll, boll weight, lint weight per boll, 100 seeds weight, fiber fineness and fiber length in those combinations by the Hayman's method were as follow: 1. The significant difference was observed from the genetic variance of all the examined characters. 2. On based the Vr-Wr graphical analysis, $F_1$ showed a complete dominance in all the experimental characters except boll weight, lint weight per boll and fiber fineness, but the dominance degree and gene arrangement of $F_2$ were somewhat different from those of $F_1$.

목화 10품종을 이면교배하여 얻은 $F_1\;and\;F_2$, 45개 조합을 공시하여, 수량과 관련된 주당삭수, 개당삭중, 주당종실수, 100립중, 섬도, 섬유장 등 6개 형질을 조사하고 그 형질들이 나타내는 변이를 Hayman과 Jinks의 Vr-Wr graph분석방법에 의해 유전자 분포상태 및 우성정도를 검토한 결과를 요약하면 다음과 같다. 1. 유전적 변이 분석에서 모든 실험 형질간에 높은 유의성이 나타났다. 2. Vr-Wr 그래프분석에 의한 $F_1$의 형질별 우성정도는 삭중, 1삭조면중, 섬도를 제외한 모든 실험형질에서 완전 우성으로 유전되었으나, $F_2$의 우성정도 및 유전자 분포상태는 $F_1$과 다소 다른 경향이었다.

Keywords

References

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