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题名: Evidence for natural hybridization between Primula beesiana and P. bulleyana, two heterostylous primroses in NW Yunnan, China
作者: Ma, Yong-Peng1; Tian, Xiao-Ling1; Zhang, Jing-Li2; Wu, Zhi-Kun1, 3; Sun, Wei-Bang1
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
出版日期: 2014-07-01
卷号: 52, 期号:4, 页码:500-507
关键词: natural hybridization ; P. beesiana ; P. bulleyana ; pollinator behavior ; reproductive success ; synthetic F(1)s
学科分类: Plant Sciences
DOI: 10.1111/jse.12077
通讯作者: Wu, ZK (reprint author), Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming 650201, Peoples R China.
文章类型: Article
英文摘要: Natural hybridization was assumed to play an essential role for the diversification of Primula; however, only one study of hybridization in the region of the Himalayas has been undertaken. In the present study, we examined another natural hybrid zone where morphologically putative hybrids as well as P. beesiana Forrest, P. bulleyana Forrest, and P. poissonii Franch. co-occurred. We used molecular data to confirm the parental species of putative hybrids and the unidirectional hybridization pattern between P. beesiana and P. bulleyana. Moreover, with reference to synthetic F(1)s, most hybrids examined are possibly advanced generations, although the possibility of F-1 hybrids currently examined could not be completely excluded. In addition, pollinator observations on experimental arrays of transplanted parental species showed interspecific pollen flows during visitations of shared pollinators, indicating an incomplete pre-zygotic barrier between P. beesiana and P. bulleyana. Seed productions from both flower morphs of putative hybrids were significantly lower than parental species, suggesting lower reproductive success in these hybrids. Combined with the evidence of recent habitat disturbance in the study area, we might witness the early process of hybridization between P. beesiana and P. bulleyana.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: CYTOPLASMIC INHERITANCE ; HYBRID SPECIATION ; PLANT SPECIATION ; RHODODENDRON ; ERICACEAE ; PATTERNS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000339007600010
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18313
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 Bot Garden, Kunming 650201, Peoples R China
2.Yunnan Agr Univ, Kunming 650204, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Lijiang Forest Ecosyst Res Stn, Kunming 650201, Peoples R China

Recommended Citation:
Ma, Yong-Peng,Tian, Xiao-Ling,Zhang, Jing-Li,et al. Evidence for natural hybridization between Primula beesiana and P. bulleyana, two heterostylous primroses in NW Yunnan, China[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2014,52(4):500-507.
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