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张兰, 张彬彬, 王宏国. 绒毛白蜡的核型分析[J]. 植物科学学报, 2007, 25(5): 513-514.
引用本文: 张兰, 张彬彬, 王宏国. 绒毛白蜡的核型分析[J]. 植物科学学报, 2007, 25(5): 513-514.
ZHANG Lan, ZHANG Bin-Bin, WANG Hong-Guo. The Karyotype Analysis of Fraxinus velutina[J]. Plant Science Journal, 2007, 25(5): 513-514.
Citation: ZHANG Lan, ZHANG Bin-Bin, WANG Hong-Guo. The Karyotype Analysis of Fraxinus velutina[J]. Plant Science Journal, 2007, 25(5): 513-514.

绒毛白蜡的核型分析

The Karyotype Analysis of Fraxinus velutina

  • 摘要: 应用根尖压片法对木樨科白蜡属绒毛白蜡(Fraxinus velutina)的染色体数目和核型进行了研究。结果表明:绒毛白蜡体细胞染色体数目为2n=22,核型公式为:K(2n)=22=20m+2 sm,属于"1A"类型。染色体相对长度组成为2n=22=4L+10M2+8M1

     

    Abstract: The number and karyotype of Fraxinus velutina chromosomes is researched,applying fingertip pressing flake method.The formula for karyotype:is reported in this paper.The number of Fraxinus velutina number of the somatic cell chromosome is 2n=22,which is K(2n)=22=20m+2sm and belongs to the type of "1A".The relative length of chromosome is 2n=22=4L+10M2+8M1.The purpose of this research is to provide foundations for the breeding and taxonomy.

     

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