杨属白杨组种间核型比较

园艺学报 ›› 2005, Vol. 32 ›› Issue (5): 849-853.

杨属白杨组种间核型比较

齐力旺1;张守攻1;韩素英1;陈成彬2;李秀兰2;宋文芹2;陈瑞阳2;任建中3;周玉权3

(¹ 中国林业科学院林业研究所细胞生物学实验室, 北京100091; ² 南开大学生命科学学院, 天津300071;³ 山西省杨树丰产林实验局, 大同037006)

收稿日期:2004-11-29 修回日期:2005-02-21 出版日期:2005-10-25 发布日期:2005-10-25

Karyotype Analysis of Section Populus in Populus

Qi Liwang1;Zhang Shougong1;Han Suying1;Chen Chengbin2;Li Xiulan2;Song Wenqin2;Chen Ruiyang2;Ren Jianzhong3;Zhou Yuquan3

( ¹Laboratory of Cell Biology, The Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China; ²Department of Biology, College of Life Sciences, N ankai University, Tianjin 300071, China; ³ Poplar Experimental Bureau of Shanxi Province, Datong 037006, China)

Received:2004-11-29 Revised:2005-02-21 Online:2005-10-25 Published:2005-10-25

摘要/Abstract

摘要： 对杨属( Populus) 白杨组( Section Populus) 9种核型进行了分析, 结果如下: 银白杨( P.
alba L. ) , 2n = 28 = 1M + 30m + 4 sm (1SAT) + 1 st (1SAT) + 2 t; 新疆杨( P. alba var. py ram idalis) , 2n = 38 = 1M + 24m + 6 sm + 5 st (1SAT) + 2 t (1SAT) ; 河北杨( P. hopeiensis Hu et Chow) , 2n = 38 = 1M + 25m + 8 sm + 4 st; 毛白杨( P. tomentosa Carr) , 2n = 38 = 1M + 27m + 2 sm + 6 st + 2 st; 欧洲山杨( P. trem ula L. ) ,2n = 38 = 27m (1SAT) + 6 sm + 5 st (2SAT) ; 银新杨( P. alba bolleana) , 2n = 38 = 1M + 24m + 7 sm (1SAT)+ 5 st (1SAT) + 1 t; 鄂西毛白杨(P. tom entosa var. Exi) , 2n = 38 = 26m + 5 sm + 4 st + 3 t; 喇叭1号( P. davidiana Dode CL alba21) , 2n = 38 = 3M + 23m ( 1SAT) + 6 sm + 6 st ( 1SAT) , B14 杨( P1 ×Zhongbainensis B14) , 2n = 38 = 22m + 6 sm (1SAT) + 7 st + 3 t。白杨组种间核型有显著差异, 说明它们的起源各异, 其核型特征为白杨组种间鉴定提供了参考依据。

关键词: 杨属, 白杨组, 核型分析

Abstract: The karyotype of 9 species ( varieties) of section Populus in the genus Popu lus have been analyzed for the first time. The resultswere as follows: P. alba L. , 2n = 28 = 1M + 30m + 4 sm (1SAT) + 1 st (1SAT) + 2 t; P. alba L. var. pyram idalis, 2n = 38 = 1M + 24m + 6 sm + 5 st (1SAT) + 2 t (1SAT) ; P. hopeiensis Hu et Chow, 2n = 38 = 1M + 25m + 8 sm + 4 st; P. tom entosa Carr. , 2n = 38 = 1M + 27m + 2 sm + 6 st + 2 st; P. trem ula L. , 2n = 38 = 27m (1SAT) + 6 sm + 5 st (2SAT) ; P. a lba bolleana, 2n = 38 = 1M + 24m + 7 sm (1SAT) + 5 st (1SAT) + 1 t; P. tom en tosa var. Ex i, 2n = 38 = 26m + 5 sm + 4 st + 3 t; P. davidiana
Dode CL alba21, 2n = 38 = 3M + 23m (1SAT) + 6 sm + 6 st (1SAT) ; P1 ×hongba inensis B14, 2n = 38 = 22m + 6 sm (1SAT) + 7 st + 3 t. Results of karyotype analysis showed that the karyotype differences among species ( varieties) in section Populus were remarkable. The results obtained indicated that their origin were different. The karyotype characteristics provided important basic data for species of section Populus.

Key words: Populus, Section Populus, Karyotype analysis

中图分类号:

S 687

齐力旺;张守攻;韩素英;陈成彬;李秀兰;宋文芹;陈瑞阳;任建中;周玉权. 杨属白杨组种间核型比较[J]. 园艺学报, 2005, 32(5): 849-853.

Qi Liwang;Zhang Shougong;Han Suying;Chen Chengbin;Li Xiulan;Song Wenqin;Chen Ruiyang;Ren Jianzhong;Zhou Yuquan. Karyotype Analysis of Section Populus in Populus[J]. ACTA HORTICULTURAE SINICA, 2005, 32(5): 849-853.

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