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当前位置: 首页 > 文章 > AL型小麦育性恢复主基因+多基因混合遗传分析 新疆农业科学 2010,47 (7) 1332-1335
Position: Home > Articles > Genetic Analysis on Mixed Model of Major Gene Plus Polygenes Inheritance for Fertility Restoring Gene of AL-type Hybrid Wheats Xinjiang Agricultural Sciences 2010,47 (7) 1332-1335

AL型小麦育性恢复主基因+多基因混合遗传分析

作  者：
刘小芳;田笑明;韩新年;崔凤娟;相吉山;聂迎彬
单  位：
新疆农垦科学院作物研究所;石河子大学农学院;新疆生产建设兵团科技局
关键词：
杂种小麦;育性恢复基因;遗传模型分析
摘  要：
【目的】研究AL型雄性不育育性恢复基因的遗传模型。【方法】通过AL型小麦不育系(♀)与恢复系(♂)杂交,获得杂交后代分离群体,采用植物数量性状主基因+多基因混合遗传模型分离分析法对亲本P1和P2以及杂种后代Fl和F2群体4个世代的育性进行分析。【结果】AL型育性恢复基因的最适遗传模型为E-1,育性恢复基因由两对加性-显性-上位性主基因和加性-显性多基因共同控制,主基因遗传率为85.92%。【结论】小麦AL型雄性不育育性恢复基因由两对主效基因和多对微效基因控制,主效基因遗传力较高,在小麦育种中有较高的利用价值。
译  名：
Genetic Analysis on Mixed Model of Major Gene Plus Polygenes Inheritance for Fertility Restoring Gene of AL-type Hybrid Wheats
作  者：
LIU Xiao-fang1,2,TIAN Xiao-ming3,HAN Xin-nian2,CUI Feng-juan2,XIANG Ji-shan2,NIE Ying-bin2(1.College of Agriculture,Shihhotze University,Shihhotze Xinjiang 832003,China;2 Institute of Crops,Xinjiang Academy of Agricultural and Reclamation Sciences,Shihhotze Xinjiang 832003,China;3.Scientific and Technological Bureau,Xinjiang Production and Construction Corps,Urumqi 830002,China)
关键词：
hybrid wheats;fertility restoring gene;genetic model analysis
摘  要：
[Objective]The main purpose of this paper was set to study the genetic model of fertility restoring gene of AL-type hybrid wheats.[Method]In the study,the parents and the breeding generations from the cross of AL-type’s restorer line and sterile line were obtained from our wheat breeding programe,2 parents (P1 andP2) and 2 breeding generations(F1andF2)from the cross AL18A × 99AR144-1,fertility inheritance were investigated by the mixed model of major gene plus polygenes for quantitative traits.[Result]Results showed that the genetic model E-1 was the most suitable one for the fertility restoring gene of AL-type hybrid wheats.The fertility was controlled by two additive-dominance-epitasis major genes plus additive-dominance polygenes.Major-gene heritability was 85.92%.[Conclusion]The fertility restoring gene of AL-type male sterility hybrid wheats was controlled by two additive-dominance-epitasis major genes plus additive-dominance polygenes.The heritability of major gene was high and it would have high utilization value in hybrid wheats breeding programe.

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