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题名: Karyological studies of Erigeron breviscapus and related species
作者: Song, Kexian1, 2; Wang, Yuehua2; null(伊廷双)1; Yang, Zhiyun1
刊名: CARYOLOGIA
关键词: Asteraceae ; chromosome ; Erigeron ; Erigeron breviscapus ; karyotype
英文摘要: A karyological study was carried out on 37 populations of Erigeron breviscapus across its distribution region. All populations of the Erigeron breviscapus studied are diploid (2n = 2x = 18). Various chromosome morphologies were revealed, but didn't show clear geographical pattern. Karyological studies were also firstly carried out on two closely related species: Erigeron multiradiatus and Erigeron multifolius, both species are diploid with the chromosome number of 2n = 2x = 18. Combining the available chromosome studies, the Erigeron has relatively consistent chromosome diversification with a basic number of 9, and most species contain diploid individuals, which suggested Erigeron at the initial phase of polyploid diversification.
出版日期: 2010-04-01
卷号: 63, 期号:2, 页码:176-183
语种: 英语
ISSN号: 0008-7114
资助信息: The authors are indebted to Professor XUN GONG for his valuable help and to Mr. SHU-DONG ZHANG for his help during the collection of samples (Kunming Insititute of Botany). This study was supported by the Fund of State Key Laboratory of Phytochemistry and Plant Resources in West China, Germplasm Bank of Wild Species and CAS Innovation Program of Kunming Institute (grant no. 540806321211).
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3198
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China

Recommended Citation:
Song, KX; Wang, YH; Yi, TS; Yang, ZY.Karyological studies of Erigeron breviscapus and related species,CARYOLOGIA,2010,63(2):176-183
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