A natural hybrid between Ligularia paradoxa and L. duciformis (Asteraceae, Senecioneae) from Yunnan, China
Pan, Yuezhi1; Shi, Suhua2; Gong, Xun1,2; Kuroda, Chiaki3
2008
发表期刊ANNALS OF THE MISSOURI BOTANICAL GARDEN
ISSN0026-6493
卷号95期号:3页码:487-494
摘要A putative natural hybrid in Ligularia Cass., which is morphologically intermediate between L. paradoxa Hand-Mazz, and L. duciformis (C. Wink1) Hand.-Mazz., was found on Mt. Maoniu in northwestern Yunnan, China. We employed analyses of morphology seed vigor somatic chromosome numbers meiotic behaviour of chromosomes, inter-simple sequence repeat (ISSR) markers and L. duciformis. Examination of morphological charcters demonstrated the intermediey of the putative natural hybrid between L. paradoxa and L. duciformis. Seed germination of the putative natural hybrid was absent and no embryo was found in seeds of the putative natural hybrid. The meiotic behaviour of the putative natural hybrid was abnormal. Among 10 ISSR primers that we tested in all three taxa four primers produced different ISSr markers between the putative parents. The putative natural hybrid shared all ISSR markers of the putative parents. However, no taxon-specific band existed in the samples of the putative natural hybrid. The data from ISSR markers are concordant with morphology in implicating L. paradoxa and L. duciformis as paraents of the putative natural hybrid. Ligularia paradoxa was determined as the female parent of this natural hybrid by nucleotide sequence from the chloroplast trnL-F region. Therefore, this taxon is confirmed to be a natural hybrid between L. paradoxa and L. ducciformis and is described herein.
关键词Asteracea Iccn Red List Linularia Natural Hybrid Senecioneae
学科领域Plant Sciences
DOI10.3417/2006034
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000259629500004
引用统计
被引频次:17[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/151853/2397
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
2.Sun Yat Sen Univ, Sch Life Sci, Guangzhou 510275, Guangdong, Peoples R China
3.Rikkyo Univ, Dept Chem, Toshima Ku, Tokyo 1718501, Japan
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Pan, Yuezhi,Shi, Suhua,Gong, Xun,et al. A natural hybrid between Ligularia paradoxa and L. duciformis (Asteraceae, Senecioneae) from Yunnan, China[J]. ANNALS OF THE MISSOURI BOTANICAL GARDEN,2008,95(3):487-494.
APA Pan, Yuezhi,Shi, Suhua,Gong, Xun,&Kuroda, Chiaki.(2008).A natural hybrid between Ligularia paradoxa and L. duciformis (Asteraceae, Senecioneae) from Yunnan, China.ANNALS OF THE MISSOURI BOTANICAL GARDEN,95(3),487-494.
MLA Pan, Yuezhi,et al."A natural hybrid between Ligularia paradoxa and L. duciformis (Asteraceae, Senecioneae) from Yunnan, China".ANNALS OF THE MISSOURI BOTANICAL GARDEN 95.3(2008):487-494.
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