Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Genetic Analyses on Quantitative Characters of F1 Generation in Malting Barley

맥주맥 F1세대의 양적형질에 대한 유전분석

  • 정원복 (동아대학교 생명자원과학대학) ;
  • 오주성 (동아대학교 생명자원과학대학) ;
  • 황필성 (동아대학교 생명자원과학대학)
  • Published : 2003.02.01
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Abstract

The study was conducted to get genetic information on quantitative characters of $F_1$ in barley through diallel crosses using seven malting barley. The results obtained were summarized as follows. Additive, dominant, maternal, and reciprocal effort were observed in culm length, spike length, awn length, culm diameter, grain length, grain width, ]lumber of grains per spike, and 1000 grain weight. Based on the Vr-Wr graphical analysis, culm length, spike length, awn length, grain length, and number of grains per spike were found to be inherited over dominance. Dominant effects were higher than additive effects in culm length, spike length, awn length, culm diameter, grain length, grain width, number of grains per spike, and 1000 grain weight. The narrow- sense heritability showed high value as 40.06% for spike length.

맥주보리의 양적형질에 대한 유전정보를 얻고자 7개 품종으로 이면교배하여 $F_1$ 세대에 대한 유전자의 분포상태 분산성분.유전력 등을 분석한 결과를 요약하면 다음과 같다. 공시된 품종집단에 대한 $F_1$ 세대의 우성정도를 Vr-Wr graph상에서 볼 때 간장.수장.망장.곡립장.1수립수 등은 초우성으로 유전되었고 경직경.곡립폭 1000립중은 불완전우성으로 유전되었다. 각 형질에 대한 분산분석 결과에서 상가적효과, 우성효과, 모본효과, 정역간의 효과는 간장.수장.망장.경직경.곡립장.곡립폭.1수립수.1000립중 등에서 모두 유의하였다. 유전 분산성분에서 간장.수장.망장.경직경.곡립장.곡립폭.1수립수.1000립중은 우성효과가 상가효과보다 컸다. 협의의 유전력은 수장이 40.06%로서 높았다.

Keywords

References

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