WANG Dong-mei,TONG Zai-kang,LU Yong-quan.Karyotype Analysis of Swida wilsoniana[J].Northern Horticulture,2012,36(23):109-111.
光皮梾木的核型分析
- Title:
- Karyotype Analysis of Swida wilsoniana
- 文章编号:
- 1001-0009（2012）23-0109-03
- Keywords:
- Swida wilsoniana; chromosome; karyotype; 2n=18; 1B
- 分类号:
- S 792.119
- 文献标志码:
- A
- 摘要:
- 采用染色体压片方法，对光皮梾木的染色体数目及核型进行分析。结果表明：光皮梾木的染色体数目为2n=18，核型公式2n=2x=18=4sm+14m，臂比值变化范围在1.02～1.81之间，核型不对称系数（AS.K%)为58.06%，核型属于“1B”型。
- Abstract:
- Chromosome number and karyotype of Swida wilsoniana were analyzed by chromosome spreading.The results showed that the chromosome number of Swida wilsoniana was 2n=18.The karyotype formula was 2n=2x=18=4sm+14m.The ranges of chromosome length’s variation were between 1.02 and 1.81，and the index of kayotypic asymmetry was 58.06%.The results showed that the karyotypes of Swida wilsoniana belonged to ‘1B’ type.
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备注/Memo
第一作者简介：王冬梅（1987-），女，重庆潼南人，硕士，研究方向为林木遗传育种。E-mail:miyanw@163.com.