| 三裂叶豚草和普通豚草的染色体核型研究 |
| |
| 引用本文： | 祖元刚 沙伟. 三裂叶豚草和普通豚草的染色体核型研究[J]. 植物研究, 1999, 19(1): 48-52 |
| |
| 作者姓名： | 祖元刚 沙伟 |
| |
| 作者单位： | [1]东北林业大学森林植物生态学开放研究实验室 [2]齐齐哈尔大学生物系 |
| |
| 基金项目： | 黑龙江省杰出青年科学基金,国家教委跨世纪优秀人才计划基金 |
| |
| 摘 要： | 本文对产自中国东北地区和南昌市的三裂叶豚草和普通豚草进行了染色体观察与核型分析,两种豚草的染色体数目分别为２ｎ＝２４和２ｎ＝３６,与前人的报导一致,染色体核型未见到报导。
|
| 关 键 词： | 染色体 核型 三裂叶豚草 普通豚草 |
A KARYOTYPICAL STUDY ON AMBROSIA TRIFIDA AND A. ARTEMISIIFOLIA FROM CHINA |
| |
| Zu Yuan-gang Sha Wei. A KARYOTYPICAL STUDY ON AMBROSIA TRIFIDA AND A. ARTEMISIIFOLIA FROM CHINA[J]. Bulletin of Botanical Research, 1999, 19(1): 48-52 |
| |
| Authors: | Zu Yuan-gang Sha Wei |
| |
| Abstract: | This pape deal with karyologyical studies on Ambrosia trifida and A. artemisiifolia from northeast China and Nan cang city. Two species of chinese data showed the chromosome number of 2n=24 and 2n=36, agreeing with the previous report. We did not find the detailed karyological studies on Ambrosia . The densely diffuse type in A. trifida and the complex chromocenpe type in A. antemisiifolia were showed in the interphase. The heteropycnotic chromosome were showed in prophase, the most of them were continuous type and gradient type. Their karyotype were formulated as K(2n)=2x=24=22m+2sm(2SAT) in A. trfida and K(2n)=4x=36=32m(4SAT)+4sm and belong to "2A" and "1B" of stebbins karyotype symmetry. The chromosome composition of relative length were 2n=24=2L+8M 2+14M 1 and 2n=36=8L+4M 2+12M 1+12S. Accroding to the karyotype, we considered the chromosome basic number as x=9. |
| |
| Keywords: | Chromosome Karyotypical Ambrosia trifida A. artemisiifolia |
| 本文献已被 CNKI 维普 等数据库收录！ |
