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六种兰属植物的核型分析
引用本文:冷青云,莫饶,彭彬,黄明忠,罗远华,王家保.六种兰属植物的核型分析[J].园艺学报,2009,36(2):291-296.
作者姓名:冷青云  莫饶  彭彬  黄明忠  罗远华  王家保
作者单位:(海南大学农学院,海南儋州 571737; 北京林业大学生物科学与技术学院,北京100083; 中国热带农业科学院热带生物技术研究所,海南海口 571101)
基金项目:国家科技基础条件平台项目 
摘    要: 利用染色体压片技术对五种兰属原生种和一种杂交种的染色体数和核型进行了研究。结果如下:多花兰(Cymbidium floribundum Lindl.)2n=2x=40=36m+4sm;冬凤兰(Cymbidium dayanum Rchb.f )2n=2x=40=36m+4sm;硬叶兰(Cymbidium bicolor Lindl. subsp.obtusum Du Puy et Cribb)2n=2x=40=40m(4SAT);美花兰(Cymbidium insigne Rolfe)2n=2x=40=2M+36m+2sm;独占春(Cymbidium eburneum Lindl.)2n=2x=40=32m+8sm;小金童(Cymbidium golden Elf.‘Sundust’)2n=2x=40=34m+6sm(2SAT)。并对其的亲缘关系及在兰花育种中的作用进行了讨论。

关 键 词:兰属  染色体数  核型
收稿时间:2008-7-16
修稿时间:2008-12-23

A Karyological Study of Six Species of Cymbidium
LENG Qing-yun,MO Rao,PENG Bin,HUANG Ming-zhong,LUO Yuan-hua,WANG Jia-bao.A Karyological Study of Six Species of Cymbidium[J].Acta Horticulturae Sinica,2009,36(2):291-296.
Authors:LENG Qing-yun  MO Rao  PENG Bin  HUANG Ming-zhong  LUO Yuan-hua  WANG Jia-bao
Institution:(Agronomy Collage, Hainan University Danzhou, Hainan 571737,China;College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083,China; Institute of Tropical Biotechnology, Chinese Academy of Tropical Agricultural Sciences,Haikou,Hainan 571101,China)
Abstract:The chromosome number and karyotype of five native species and one hybrid cultive of Cymbidium was studied by applying fingertip pressing method. The results showed that the C. floribundum Lindl . 2n=2x=40=36m+4sm ;C. dayanum Rchb. 2n=2x=40=36m+4sm ;C. bicolor Lindl. subsp.obtusum Du Puy et Cribb 2n=2x=40=40m(4SAT);C.insigne Rolfe 2n=2x=40=2M+36m+2sm;C.eburneum Lindl. 2n=2x=40=32m+8sm ;C.golden Elf.‘Sundust’2n=2x=40=34m+6sm(2SAT). Aslo we has discussion the relationship and the role in the orchid breeding of these Cymbidiums.
Keywords:Cymbidium Cymbidium  chromosome  karyotype
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