摘要
用白叶枯病强致病菌株KS—6—6和浙173,研究了连续回交与籼稻抗白叶枯病的遗传。结果表明,籼稻抗白叶枯病的遗传,除受主效基因控制外,还受微效多基因的修饰作用,通过连续回交,可以不断地累积微效多基因,增强品种的抗病性。
A study,in which two highly pathogenic strains of Xanthomona■,PV.oryzae were used to inoculatethe indica rice plants in continuous backcrosses,has shown that resistance to bacterial leaf blight ismodified.by polygenes as well as controlled by a dominant resistance gene,and that the polygenes canbe accumulated through continuous backcrosses.It is,therefore,concluded that these polygenes mighthave a potential value for enhancing the resistance to bacterial leaf blight in rice.
出处
《西南农业大学学报（自然科学版）》
CSCD
1991年第3期292-295,共4页
Journal of Southwest Agricultural University
关键词
水稻
连续回交
白叶枯病
抗性遗传
lowland rice
continuity backoross
bacterial leat blight
diseases resistance
inheritance
