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园艺学报 ›› 2007, Vol. 34 ›› Issue (5): 1263-1266.

• 观赏植物 • 上一篇    下一篇

5种报春花属植物材料的核型研究

张晓曼1*;张启翔2;孙晓光3   

  1. 1河北农业大学园林与旅游学院,河北保定 071000;2北京林业大学园林学院,北京 100083;3保定市交通局公路管理处,河北保定 071000)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-10-25 发布日期:2007-10-25

Karyomorphological Studies on Five Species ofPrimula

ZHANG Xiao-man1*;ZHANG Qi-xiang2; SUN Xiao-guang3
  

  1. (1College of Landscape Architecture and Tourism, Agriculture University of Hebei,Baoding,Hebei 071000,China;2College of Landscape Architecture, Beijing Forestry University,Beijing 100083,China; 3Highway Administrative Office of Transportation Bureau of Baoding,Baoding,Hebei 071000,China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-10-25 Published:2007-10-25

摘要: 观察分析了5种报春花属(Primula)植物的染色体数及核型。体细胞有丝分裂中期染色体数及核型分别为:小报春(P. forbesii),2n=2x=18m;偏花报春(P. secundiflora Franch),2n=2x=20m+2sm;藏报春(P. sinensis),2n=2x=20m+2M;胭脂花(P. maximowiczii),2n=2x=22m;齿叶灯台报春(P. serratifolia),2n=2x=22m。其中小报春、藏报春、胭脂花和齿叶灯台报春的核型为首次报道。

关键词: 报春花属, 染色体, 核型

Abstract: In this paper, karyomorphologically studies were carried out on five species of Primula.The results were as follows. The number and karyotypes of metaphase chromosomes were formulated to be 2n=2x=18m for P. forbesii,2n=2x=20m+2sm forP. secundiflora Franch, 2n=2x=20m+2M for P. sinensis,2n=2x=22m for P. maximowiczii, 2n=2x=22m for P. serratifolia. The karyotypes were all of 1A type exceptP. sinensis which the karyotype was 1B type.The karyomorphology of four species, P. forbesii, P. sinensis, P. maximowiczii, P. serratifolia were reported for the first time.

Key words: Primula, Chromosome, Karyotype