Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)
Du, Guang-Hui1,2; Zhang, Zhi-Qiang1,3; Li, Qing-Jun1
Corresponding AuthorLi, QJ (reprint author), Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China.,qjli@xtbg.ac.cn
2012-09-01
Source PublicationJOURNAL OF PLANT RESEARCH
ISSN0918-9440
Volume125Issue:5Pages:595-603
AbstractThe sympatric occurrence of some species in Roscoea is very common, but little information is available on natural hybridization. However, some intermediate individuals were found on the sympatric population of Roscoea humeana and R. cautleoides at Ganhaizi population in northwestern Yunnan Province, China. We suspected that these intermediate individuals were the hybrids of R. humeana and R. cautleoides from the previous evidence, but could not confirm them. In this study, morphometric analysis was followed by examination of HAT-RAPD polymorphisms to determine the occurrence of natural hybridization between sympatric R. humeana and R. cautleoides. The results showed that most morphological characters of the putative hybrids were found to be intermediate between those of R. humeana and R. cautleoides. Meanwhile, molecular analysis confirmed that the morphological intermediates were derived from hybridization between the two species. From the analysis of the NewHybrids, the hybridization individuals were mainly F(1)s. These results indicated that interspecific hybridization between R. humeana and R. cautleoides indeed occurred in sympatric population.
KeywordRoscoea Sympatric Occurrence Hybrid Hat-rapd Reproductive Barrier
DOI10.1007/s10265-012-0478-6
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000308065300001
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/15774
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
Du, Guang-Hui,Zhang, Zhi-Qiang,Li, Qing-Jun. Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)[J]. JOURNAL OF PLANT RESEARCH,2012,125(5):595-603.
APA Du, Guang-Hui,Zhang, Zhi-Qiang,&Li, Qing-Jun.(2012).Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae).JOURNAL OF PLANT RESEARCH,125(5),595-603.
MLA Du, Guang-Hui,et al."Morphological and molecular evidence for natural hybridization in sympatric population of Roscoea humeana and R. cautleoides (Zingiberaceae)".JOURNAL OF PLANT RESEARCH 125.5(2012):595-603.
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