横断山区两种菊科植物的核型研究
Karyological studies on two species of Compositae from the Hengduan Mountains, SW China
查看参考文献25篇
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文摘
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对横断山区两种菊科植物圆齿狗娃花和细叶亚菊进行了染色体数目报道和核型研究,其中圆齿狗娃花为首次报道,2n=18=2x=18m(2SAT);而细叶亚菊的为新的染色体数目,2n=72=8x=56m+16sm,与之前报道的36不同.研究结果发现菊科植物这两个属在横断山及其它地区同时存在二倍体与多倍体. |
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其他语种文摘
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Chromosome numbers and karyotypes of two Compositae species from the Hengduan Mountains were studied. Heteropappus crenatifolius was reported as 2n=18=2x=18m (2SAT) for the first time. A new chromosome number of Ajania tenuifolia was found to be 2n=72=8x=56m+16sm,different from previous report of 36. Based on these results as well as previous reports,it's found that both diploid and polyploid occurred in the two genera from the Hengduan Mountains and other regions. |
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来源
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广西植物
,2010,30(1):51-54,69 【核心库】
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关键词
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横断山区
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圆齿狗娃花
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细叶亚菊
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核型
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地址
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1.
中国科学院昆明植物研究所, 中国科学院生物多样性与生物地理学重点实验室, 云南, 昆明, 650204
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云南师范大学,生命科学学院, 云南, 昆明, 650092
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3142 |
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学科
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植物学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:3811433
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