Natural Hybridization between Rhododendron delavayi and R-cyanocarpum (Ericaceae), from Morphological, Molecular and Reproductive Evidence
Ma, Yong-Peng1,2,3; Zhang, Chang-Qin1,2; Zhang, Jing-Li4; Yang, Jun-Bo5
2010-09-01
发表期刊JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
卷号52期号:9页码:844-851
摘要The natural hybridization that occurs between two sympatric species of Rhododendron subgenus Hymenanthes in Yunnan, China, was investigated. In field observations, it was noted that the putative hybrids between R. delavayi Franch. and R. cyanocarpum (Franch.) Franch. ex W.W. Sm. had intermediate morphologies. On the basis of morphology, chloroplast DNA (trnL-rpl32) and nuclear DNA (waxy), hybrids and parental species were identified. Hybridization occurred in both directions, but was asymmetrical, with R. delavayi as the major maternal parent. Reciprocal hand pollination treatments showed that either species, as pollen donor or pollen receiver, could produce fruits. It was noted that fruit set varied among treatments. The same pollinators (bumblebees) were shared in both parental species. From these results, we conclude that individuals with intermediate morphologies are indeed of hybrid origin from natural hybridization between R. cyanocarpum and R. delavayi. Furthermore, we presume the hybridization at the study site could have been initiated by habitat disturbance in the 1950s, and we may hence witness the early stages of hybrid swarm formation.
资助信息National Natural Science Foundation of China [30770139]; Bureau of Science and Technology of Yunnan, China [2009BB001]; Chinese Academy of Sciences [2009-LSF-GBOWS-01]
学科领域Biochemistry & Molecular Biology ; Plant Sciences
DOI10.1111/j.1744-7909.2010.00970.x
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000281216900008
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2992
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Bot Garden, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Key Lab Resource Plants & Biotechnol, Kunming Inst Bot, Kunming 650204, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Yunnan Agr Univ, Kunming 650201, Peoples R China
5.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
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Ma, Yong-Peng,Zhang, Chang-Qin,Zhang, Jing-Li,et al. Natural Hybridization between Rhododendron delavayi and R-cyanocarpum (Ericaceae), from Morphological, Molecular and Reproductive Evidence[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2010,52(9):844-851.
APA Ma, Yong-Peng,Zhang, Chang-Qin,Zhang, Jing-Li,&Yang, Jun-Bo.(2010).Natural Hybridization between Rhododendron delavayi and R-cyanocarpum (Ericaceae), from Morphological, Molecular and Reproductive Evidence.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,52(9),844-851.
MLA Ma, Yong-Peng,et al."Natural Hybridization between Rhododendron delavayi and R-cyanocarpum (Ericaceae), from Morphological, Molecular and Reproductive Evidence".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 52.9(2010):844-851.
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