【摘要】 １９８６～１９９２年对新发现的高赖氨酸高粱２６５──１Ｙ（凹陷型子粒）进行了加代系选、品质分析、育性和配合力测定以及杂交改良等研究，结果表明：该系的赖氨酸和蛋白质含量分别比普通高粱晋粱５号提高３２２．６％和４２．２％；遗传相对稳定，对现有Ａ１和Ａ２型细胞质不育系均有恢复能力和较高的配合力；根据遗传分析和杂交改良试验结果，该系的赖氨酸含量受一对单隐性基因（ｈ１）控制，在其杂种一代中有１／４的高赖氨酸子粒，通过简单杂交，可在其后代中选到正常饱满型子粒的赖氨酸高含量品系。更多还原

【Abstract】 A newly developed sorghum line 265-1Y was proved to have high lysine and protein contents which are 322.6% and 42.2% higher than that of the check, jin Liang No.5,respectively.It also performs well as a restorer line.Genetic analysis revaled that the character of high lysine is controled by a pair of recessive genes.更多还原