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小麦T型细胞质雄性不育保持系线粒体DNA片段转化不育系的初步研究

DOI: 10.3321/j.issn:1000-7091.2004.04.007, PP. 21-23

Keywords: 小麦,细胞质雄性不育系,保持系,线粒体,花粉管通道法

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Abstract:

细胞质雄性不育在植物界普遍存在,其不育机理一直是人们研究的热点。采用花粉管通道法,利用T型细胞质雄性不育保持系753369B线粒体的基因文库,选取其中所载外源片段较大的重组子转化T型不育系小麦753369A,结果重组子ME252和ME317的转化后代变成可育,表明线粒体的部分片段可以使细胞质雄性不育系的育性发生转变。

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