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水稻顶小穗双粒突变体TS的颖花发育和簇生穗发生特征 被引量:6

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摘要 水稻顶小穗双粒突变体TS是花发育研究中重要的突变类型。该突变体在枝梗分化期的苞原基分化期和第1次枝梗原基分化期,TS幼穗和野生型幼穗的分化没有差异;而从第2次枝梗原基分化期开始,两者枝梗顶端幼穗分化差异越来越明显,抽穗时可见二次枝梗顶端穗轴上着生小穗为双粒。对TS进行遗传分析,该突变体性状受一对隐性基因控制。经过簇生测定发现:TS突变体多数表现为Ⅱ级簇生,簇生穗大多集中发生在二次枝梗上。
出处 《中国种业》 2010年第12期44-46,共3页 China Seed Industry
基金 绵阳市重点项目(07Y016-2) 四川省教育厅重点项目(07ZA130) 四川省科技厅项目(2008JY0115-1)
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参考文献10

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二级参考文献26

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