杨属( Populus)黑杨组(Aigeiros)种(品种)间核型比较

园艺学报 ›› 2005, Vol. 32 ›› Issue (1): 70-73.

杨属( Populus)黑杨组(Aigeiros)种(品种)间核型比较

张守攻;齐力旺;韩素英;陈成彬;李秀兰;宋文芹;陈瑞阳

(¹ 中国林科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)

收稿日期:2004-02-02 修回日期:2004-07-30 出版日期:2005-02-25 发布日期:2005-02-25

Karyotype Comparison of Aigeiros Species in Populus

Zhang Shougong;Qi Liwang;Han Suying;Chen Chengbin;Li Xiulan;Song Wenqin;Chen Ruiyang

(¹Laboratory of Cell Biology, The Research Institute of Forestry, CAF, Beijing 100091, China; ²Department of Biology, College of Life Sciences, Nankai University, Tianjin 300071, China)

Received:2004-02-02 Revised:2004-07-30 Online:2005-02-25 Published:2005-02-25

摘要/Abstract

摘要： 对杨属黑杨组(Aigeiros) 的15个种(品种) 核型进行了分析, 结果如下: 箭杆杨( Populus
nigra var. thevestina) , 2n = 38 = 3M + 29m + 5 sm + 1 st; 盖杨( P. del.cv. ×Lux ×P.×canadensis cv. Shanhaiguanensis) , 2n = 38 = 2M + 27m + 4 sm + 5 st (4SAT) ; 欧美杨107 (P1 ×euram ericana cv. ‘74 /76’) , 2n = 38 = 1M + 29m (1SAT ) + 5 sm + 3 st (3SAT) ; 欧美杨13 ( P. ×euramericana CL 13) , 2n = 38 = 3M + 23m + 6 sm + 3 st (1SAT ) + 3 t (3SAT) ; 加杨( P. ×canadensis Moench) , 2n = 38 = 1M + 27m + 6 sm + 4 st ( 4SAT) ; 辽杨×美洲黑杨(P.maximowiczii Henry ×P.deltoids Bartr. ) , 2n = 38 = 1M + 24m + 9 sm (2SAT ) + 4 st; 中尚8号( P. ×Zhongshangnensis) , 2n = 38 = 4M + 27m (1SAT ) + 2 sm + 3 st (2SAT ) + 2 t; 北京杨( P. ×beijingensis) , 2n = 38 = 3M + 28m + 3 sm + 4 st (2SAT) ; 鲁山杨( P. ×Liaoningensis) , 2n = 38 = 1M + 27m + 3 sm + 6 st (1SAT ) + 1 t (1SAT) ; 廊坊1号( P. CL ‘Langfang 1’) , 2n = 38 = 3M + 28m + 3 sm + 4 st (2SAT) ; 圣山杨(盖杨类) (P. ×gaixianesis) , 2n = 38 = 2M + 27m + 4 sm (1SAT ) + 4 st (3SAT ) + 1 t; 抗- 2 〔P. deltoids CL 2 (GMO) 〕, 2n = 38 = 26m + 7 sm (2SAT ) + 4 st (1SAT ) + 1 t (1SAT) ; 群改3号( P. ×Qungainensis 3) , 2n = 38 = 1M + 27m + 8 st (2SAT ) + 2 t (2SAT) ; 中金2号( P. ×Zhongjinnensis 2) , 2n = 38 = 1M + 18m + 13 sm (1SAT ) + 5 st (2SAT) + 1 t (1SAT) ; 辽宁杨( P. ×eur. cv. San Martino ×P. ×canadensis cv. Shanhaiguanensis) , 2n = 38 = 2M + 26m + 6 sm + 4 st。黑杨各种(品种) 核型均为2B型, 种(品种) 间核型差异主要表现在中部着丝点(M、m) 染色体数目(25～32) 和端部着丝点( st、t) 染色体数目变化(1～6) 上, 核型特征为种(品种) 鉴定提供了一定参考。

关键词: 杨属, 黑杨, 核型分析

Abstract: This paper analysed the karyotype of 15 species of Aigeiros in Populus. The resultswere as follows: P. nigra var. thevestina, 2n = 38 = 3M + 29m + 5sm + 1st; P. del. cv. ×Lux ×P. ×canadensis cv. Shanhaiguanensis, 2n =38 =2M +27m +4sm +5st (4SAT) ; P. ×euramericana cv. ‘74 /76’, 2n = 38 = 1M+29m (1SAT ) +5sm +3st (3SAT) ; P. euramericana CL 13, 2n = 38 = 3M + 23m + 6sm + 3st (1SAT ) + 3t (3SAT) ; P. ×canadensis Moench, 2n =38 =1M +27m +6sm +4st (4SAT) ; P. maximowiczii Henry ×P. deltoids Bartr. , 2n = 38 = 1M + 24m + 9sm ( 2SAT ) + 4st; P. Zhongshangnensis, 2n = 38 = 4M + 27m (1SAT) +2sm +3st (2SAT ) +2t; P. ×beijingensis, 2n =38 =3M +28m +3sm +4st (2SAT) ; P. ×Liaoningensis, 2n =38 =1M +27m +3sm +6st (1SAT ) +1t (1SAT) ; P. CL ‘Langfang 1’, 2n =38 =3M +28m +3sm +4st (2SAT) ; P. ×gaixianesis, 2n =38 =2M +27m +4sm (1SAT ) +4st (3SAT) + 1t; P. deltoids CL 2 (GMO) , 2n =38 =26m +7sm (2SAT ) +4st (1SAT ) +1t (1SAT) ; P. ×Qungainensis - 3, 2n = 38 = 1M +27m + 8st ( 2SAT) + 2t (2SAT) ; P.×Zhongjinnensis 2, 2n = 38 = 1M + 18m + 13sm ( 1SAT ) + 5st (2SAT) +1t (1SAT) ; P. ×eur. cv. San Martino ×P. canadensis cv. Shanhaiguanensis 2n =38 =2M +26m +6sm +4st. The karyotypes of Aigeiros were all of 2B type. The karyotype differences mainly lay in the numbers of metacentric chromosomes (25 - 32) and telomeric chromosomes (1 - 6). The karyotype data provided reference for species (or varieties) characterization of Aigeiros.

Key words: Populus, Aigeiros, Karyotype analysis

中图分类号:

张守攻;齐力旺;韩素英;陈成彬;李秀兰;宋文芹;陈瑞阳. 杨属( Populus)黑杨组(Aigeiros)种(品种)间核型比较[J]. 园艺学报, 2005, 32(1): 70-73.

Zhang Shougong;Qi Liwang;Han Suying;Chen Chengbin;Li Xiulan;Song Wenqin;Chen Ruiyang. Karyotype Comparison of Aigeiros Species in Populus[J]. ACTA HORTICULTURAE SINICA, 2005, 32(1): 70-73.

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