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RISS 인기검색어
- 검색키워드
- 저자 : B.Y. YI(李富榮) (검색결과 2 건)
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二面交配에 의한 밀의 몇가지 量的形質의 遺傳硏究 Ⅰ. 出穗期 · 收量
B.Y. YI(李富榮),Y.A. CHAE(蔡永岩) 한국육종학회 1983 한국육종학회지 Vol.15 No.1
This study was curried out to know the nature of the yield related genetic behavior in wheat (Triticum aestivum) by means of 6×6 half diallel cross with the varieties; Chokwang, Georumil, Suwon # 216, Tung Fang Hung # 3, Yungkwng and Chugoku # 81. For all the characters studied, additive genetic variance was significant. The days to heading showed complete dominance for late heading and additive and dominance genetic variances were both significant. Yield per plants was controlled by additive component of genetic variance only, and high yield per plant showed almost complete dominace over low yield. Both broad and narrow sense heritabilities were low in the yield per plant. Ear number per plant was controlled by additive effect only, however, heritability was low. Grain number per plant was controlled by both dominance and additive variance. Over dominance to large number of grain was observed. Broad sense heritability for grain number was high considerably, but narrow sense heritability was low relatively. 100 grain weight was not sufficient to the assumption for diallel analysis in this experiment.
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二面交配에 의한 밀의 몇가지 量的形質의 遺傳硏究 Ⅱ. 稈長과 關聯形質
B.Y. YI(李富榮),Y.A. CHAE(蔡永岩) 한국육종학회 1983 한국육종학회지 Vol.15 No.1
This study was carried ont to know the nature of the genetic behavior of the culm length and its related characters in wheat (Triticum aestioum) by means of 6×6 half dialle cross with the varieties; Chokwang, georumil, suweon #216, Tung Fang Hung #3, Yungkwang and Chugoku #81. For all the characters studied, additive variance was significant, especially 3rd to 5th internodal lengths was controlled by additive component of genetic variance only. Additive effect was relativeby higher than dominance effect in culm length. The long culm was dominant over short calm length. Both broad and narrow sense heritabilities were high in the calm length. The internodal length was devided into three categories, namely, peduncle length, 2nd internodal length and 3rd to 5th internodal lengths. Peduncle length was mainly controlled by dominance effect, while 2nd internodal length was controlled by both additive effect and dominace effect, 3rd to 5th internodal length was controlled by additive effect only. Only genetic variance due to additive effect was significant for ear length. Both broad and narrow sense heritabilities were high.
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