普通小麦-簇毛麦易位系T6BS·6BL-2VS的选育  

Identification of Triticum aestivum-Haynaldia villosa Translocation Line T6BS·6BL-2VS

作　　者：陈全战[1] 张边江[1] 周峰[1] 吴梅[1] 华春[1] 

机构地区：[1]南京晓庄学院生命科学系,江苏南京211171

出　　处：《安徽农业科学》2008年第32期14036-14038,共3页Journal of Anhui Agricultural Sciences

基　　金：国家自然科学基金资助项目(10475041);南京晓庄学院重点学科建设基金(2005NXY01);南京晓庄学院人才科研启动基金(2008NXY04)

摘　　要：[目的]为进一步利用簇毛麦2V染色体上的有益基因,为小麦育种提供新种质。[方法]通过普通小麦-簇毛麦2V(2D)二体代换系(DS2V)与普通小麦农林26-离果山羊草3C染色体二体异附加系(DA3C)杂交,综合运用染色体C-分带、基因组原位杂交和分子标记分析,并结合性状调查。[结果]从杂种后代中选育出小麦-簇毛麦纯合易位系T6BS.6BL-2VS,性状调查发现该易位系植株护颖颖脊上有刚毛。[结论]该易位系为杀配子染色体诱发的小片段易位;簇毛麦护颖颖脊刚毛基因定位于2VS的中部至端部。[Objective] The aim of experiment was to provide a new germplasm for wheat breeding by further using desirable genes in 2V chro- mosome of Haynaldia villosa. [ Method] Through hybridization between common wheat（ Triticum aestivum） -Haynaldia villosa disomic substitution line and common wheat Nonglin26-3C chromosome of Aegilops triuncialis disomic addition line, the analysis methods such as chromosome C-banding, genomic in situ hybridization and molecular marker technique were comprehensively applied and combined characters investigation. [ Result] The wheat -Hayncddia villosa translocation line（T6BS · 6BL-2VS） was selected from hybrid progenies to conduct characters investiga- tion ,which found some bristles on glume ridge of T6BS·6BL-2VS. [ Conclusion] The translocation line induced by gametocidal chromosome was a small segment translocation line and the gene of bristle on glume ridge of Haynaldia villosa was located between the middle and the terminal of 2VS.

关 键 词：普通小麦 簇毛麦 易位 C-分带 原位杂交 

分 类 号：S512.1[农业科学—作物学]