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八个四倍体鹅观草属物种的核型研究
康厚扬;周永红;张海琴;邓小锋;曹刚;
1.四川农业大学小麦研究所;2.四川农业大学小麦研究所 四川都江堰611830;3.四川都江堰611830
摘要:
对8个鹅观草属物种的核型进行了研究。核型公式如下:纤穗鹅观草2n=4x=28=20m+8sm(2sat);紫穗鹅观草2n=4x=28=22m(2sat)+6sm;假花鳞草2n=4x=28=24m(2sat)+4sm;肃草2n=4x=28=22m+6sm(2sat);小颖鹅观草2n=4x=28=22m+6sm(2sat);纤瘦鹅观草2n=4x=28=24m(4sat)+4sm;变颖鹅观草2n=4x=28=20m+8sm(2sat);毛花鹅观草2n=4x=28=24m(2sat)+4sm。它们的核型属1A或2A型。其中后5个物种的核型为首次报道。
关键词:  鹅观草属    核型    四倍体
DOI:
分类号:
Fund project:国家自然科学基金(30270099,30470135);; 四川省教育厅重点项目资助~~
Abstract:
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