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RISS 인기검색어
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- 저자 : Byong Geun Oh(吳秉根) (검색결과 1 건)
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Jae Keun Sohn(孫再根),Gi Hwan Yi(李起煥),Byong Geun Oh(吳秉根),Sang Jong Lim(林尙鍾) 한국육종학회 1995 한국육종학회지 Vol.27 No.4
Spontaneously doubled-haploid plants (A₀) were recovered from anther culture of japonica rice cultivar “Hwayeongbyeo” which developed by anther culture techniques. Culm length, panicle length, and 1,000-grain weight were compared with those of the donor plants for the determination of variability in A₁ and A₂ generation. Sixty-three percent of 52 A₁ lines were similar to the donor plants, while 21.1% were putative homozygous mutants that had no segregation within the lines and 15.4% showed heterozygous variants in one or more characters. One hundred and fifty seven A₂ lines derived from 33 A₁ lines which were simmilar to the donor plants in A₁ generation showed no significant difference in culm length, panicle length, heading date, and 1,000-grain weight. However, 114 descendents (A₂) of 19 lines varied in A₁ generation showed higher coefficient of variation than those of the donor cultivar “Hwayeongbyeo” in investigated characters, espacially in 1,000-grain weight.
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