【摘要】 本研究以普通小麦“中国春”的单体系统和矮变一号杂交,利用 F₁和 F₂单体分析方法,研究确定控制矮变1号矮秆性状的基因数目及关键染色体。通过分析,初步认为矮变1号矮秆性状受分别位于2A 和4D 染色体上的两对作用力不相等的主效半显性基因和一些微效基因的修饰作用所控制,其效应除了显性效应外,还有加性效应。更多还原

【Abstract】 In order to determine the genes and chromosomes involved in theinheritance of dwarfism of wheat mutant “Ai Bian No.1”,crosses weremade between the “chinese spring” monosomic series and “Ai Bian No.1”,and monosomic analysis was made in F₁ and F₂ generations.The results indicate that the dwarfism is controlled by two pairsof major genes which are of partial-dominance and some modifiers.Themajor genes are found to be on chromosomes 2A and 4D.更多还原