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大麥의 出穗期 및 登熟期間의 遺傳 Ⅲ. F₂및 戻交雜을 利用한 出穗期와 登熟其間의 遺傳 및 選拔效率
Jong Un Chun(千鍾殷),Hong Saek Lee(李弘䄷,),Eun Sup Lee(李殷燮),Sang Yang Lee(李相陽),Eui Byung Yoon(尹儀炳) 한국육종학회 1985 한국육종학회지 Vol.17 No.1
The combination of early heading time and short grain-filling period is very important to develop early varieties in winter barley. Parents, F₁, F₂ and back-cross generations of four crosses were grown in the controlled greenhouse and field to partition genetic components and evaluate the selection efficiency. The earliness of heading time was due to a few partial dominant and minor genes in two crosses, but the crosses with Tokak showed the transgressive segregation with predominantly early heading individuals in the greenhouse. The grain-filling period was controlled by a few partial dominant or dominant, and minor genes in the greenhouse. The realized heritability estimates for heading time and grain-filling period, depending on the crosses, ranged from 59 to 86% and from 47 to 89% in the field, respectively. The high heritabilities and considerable genetic gains indicated that the selection for two short periods in the early generations might be very effective.