| 青藏高原东缘风毛菊属中两种植物的核型报道 |
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| 引用本文： | 王一峰,沙洁,王转莉,周生荟,杨宗邦. 青藏高原东缘风毛菊属中两种植物的核型报道[J]. 西北师范大学学报(自然科学版), 2010, 46(1): 75-78 |
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| 作者姓名： | 王一峰 沙洁 王转莉 周生荟 杨宗邦 |
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| 作者单位： | 西北师范大学生命科学学院,甘肃兰州730070 |
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| 基金项目： | 甘肃省自然科学基金，甘肃省教育厅科研项目 |
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| 摘 要： | 利用压片法研究青藏高原东缘两种风毛菊属(Saussurea DC.)植物的染色体数目和核型,结果表明,紫苞雪莲(S.iodostegia)和抱茎风毛菊(S.chingiana)的染色体数目和核型分别为2n=2x=32=18m+14sm,2n=2x=28=24m+2sm+2st.根据Stebbins提出的核型分类原则,这2个种的核型都为2A型.2个种的染色体中均未发现随体.
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| 关 键 词： | 紫苞雪莲 抱茎风毛菊 核型 |
A report on karyotypes of two Saussurea species from the eastern Qinghai-Tibetan plateau |
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| WANG Yi-feng,SHA Jie,WANG Zhuan-li,ZHOU Sheng-hui,YANG Zong-bang. A report on karyotypes of two Saussurea species from the eastern Qinghai-Tibetan plateau[J]. Journal of Northwest Normal University Natural Science (Bimonthly), 2010, 46(1): 75-78 |
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| Authors: | WANG Yi-feng SHA Jie WANG Zhuan-li ZHOU Sheng-hui YANG Zong-bang |
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| Affiliation: | WANG Yi-feng,SHA Jie,WANG Zhuan-li,ZHOU Sheng-hui,YANG Zong-bang(College of Life Science,Northwest Normal University,Lanzhou 730070,Gansu,China) |
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| Abstract: | The chromosome numbers and karyotypes of two species Saussurea DC.are reported by planish method from the eastern Qinghai-Tibetan plateau.The results show that the chromosome numbers and karyotypes of the genus of respectively are 2n=2x=32=18m+14sm,2n=2x=28=24m+2sm+2st.The karyotypes of both species are 2A according to the Stebbins's classification.No satellites are found in these two species. |
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| Keywords: | S.iodostegia S.chingiana karyotype |
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