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LENG Qing-Yun, MO Rao, LUO Yuan-Hua, HUANG Ming-Zhong, DENG Xiao-Guo, WANG Jia-Bao. A Karyological Study of Six Species of Cleisostoma from Hainan[J]. Plant Science Journal, 2009, 27(2): 121-126.
Citation: LENG Qing-Yun, MO Rao, LUO Yuan-Hua, HUANG Ming-Zhong, DENG Xiao-Guo, WANG Jia-Bao. A Karyological Study of Six Species of Cleisostoma from Hainan[J]. Plant Science Journal, 2009, 27(2): 121-126.
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A Karyological Study of Six Species of Cleisostoma from Hainan

  • 1.

    Agronomy college, Hainan University, Danzhou, Hainan 571737, China

  • 2.

    Key Laboratory for Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, Beijing Forestry University, Beijing 100083, China

  • 3.

    Institute of Tropical Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China

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  • Received Date: April 15, 2008
  • Revised Date: June 23, 2008
  • Published Date: April 23, 2009
    Graphical Abstract
    • Abstract
  • The chromosome number and karyotype of six species in Cleisostoma from Hainan were studied by applying root tip squash method.The results showed that the Cleisostoma paniculatum(ker-Gawl.) Garay 2n=2x=38=36m+2sm,C.striatum(Rchb.f.) Garay 2n=2x=38=2M+36m,C.parishii(Hook.f.) Garay 2n=2x=38=2M+34m+2sm,C.filiforme(Lindl.) Garay 2n=2x=38=38m,C.rostratum(Lodd.) Seidenf 2n=2x=38=36m+2sm and C.williamsonii(Rchb.f.) Garay 2n=2x=38=34m+4sm(2SAT).Its karyotype mainly consists of metacentric chromosomes.All of the karyotypes belong to 1B type except the C.rostratum(Lodd.) Seidenf is 1A.
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