Polyploidy variation in some species of the genus Artemisia L. (Asteraceae) in Iran

被引：13
|
作者：
Abdolkarim, Chehregani [1 ]
Atri, Morteza [1 ]
Yousefi, Somayeh [1 ]
Jalali, Fatemeh [1 ]
机构：
[1] Bu Ali Sina Univ, Dept Biol, Lab Plant Cell Biol, Hamadan, Iran
来源：
CARYOLOGIA | 2010年 / 63卷 / 02期
关键词：
Artemisia; biodiversity; iranian species; polyploidy; CHROMOSOME-NUMBERS; ANTHEMIDEAE; EVOLUTIONARY; COUNTS; PLANTS;
D O I：
10.1080/00087114.2010.10589723
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Mitotic chromosome numbers are reported for thirty-three populations representing four species of Artemisia. In A. incana, chromosome numbers were varied from 2n =2x= 16, 18 to 2n =3x =24. In A. fragrans eight diploid populations (2n =2x =18) and three populations with both diploid and tetraploid chromosome number (2n =2x = 18,36) were identified. In A. scoparia six populations with chromosome number (2n =2x= 16) and two populations with different chromosome number (2n = 2x = 16, 18) were found. The highest variation in chromosome number was observed in A. spicigera. In this species; different chromosome numbers (2n =2x= 18, 2n =3x =27, 2n =4x =36, 2n =5x = 45, 2n= 6x =54 and 2n =8x =72) were identified in different populations that collected from different parts of Iran. Polyploidy is confirmed as the most significant evolutionary trend in chromosome number within the genus.
引用
收藏
页码：168 / 175
页数：8
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