中国春小麦株高、育性近等基因系的建立及应用

Development and Utilization of the Isogenic Lines of Plant Height and Fertility in Wheat cv Chinese Spring

以矮败小麦和中国春小麦为材料， 经过杂交和连续回交， 得到了中国春小麦遗传背景的分别表现矮秆不育、矮秆可育、高秆不育、高秆可育的近等基因系。根据近等基因系各成员系的株高表现，计算出矮秆基因 Ｒｈｔ１０ 的降秆强度是６９８ ％ 。借助于赤霉酸处理， 在幼芽期就可分出矮败中国春小麦后代的不育株与可育株。

Use Dwarfing Male-sterile Wheat and cv Chinese Spring as parents, after cross and continuously back cross, the isogenic lines with Chinese Spring background were developed These lines include dwarfing male-sterile line, dwarfing fertile line, tall male-sterile line and tall fertile line The dwarfing intensity of gene Rht10 was calculated to be 69 8% according the differences between the isogenic lines Treated with GA 3 solution, the male-sterile and fertile plants in Chinese Spring Dwarfing Male-sterile Wheat can be identified clearly when they are seedlings