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보리 F₂集團에 있어서 穗/莖葉乾物重比의 分離樣相과 遺傳率
Seung Gil Yun(尹承吉),Chang Whan Cho(曺章煥) 한국육종학회 1995 한국육종학회지 Vol.27 No.1
Selection in early generation was considered as a method of indentifying superior lines as early as possible. The inheritance of ear/shoot dry weight ratio in barley was examined by segregation mode in F₂ populations derived from four cross combinations to facilitate the selection of high yielding lines. Barley cultivars “Olbori” and “Milyang 36” were higher in ear/ shoot dry weight ratio than the other cultivars. Two combinations of Olbori x N-ACC-400-172 and Olbori x Milyang 36, which showed transgressive segregating mode in F₂ population, had high heritability for ear/shoot dry weight ratio. This result suggested that high-yielding lines could be selected in these two cross combinations. The F₂ plant with high ear/shoot dry weight ratio tended to be high in yield due to increase in the number of grains per spike and 1,000-grain weight.