尼日利亚Ile-Ife地区大戟和异叶大戟的形态学和细胞学研究

A.O. Bolaji, C.B. Olojede, A.A. Famurewa, J.O. Faluyi
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引用次数: 4

摘要

本文首次报道了产自尼日利亚Ile-Ife的大戟(Euphorbia hyssopifolia)和异叶大戟(Euphorbia heterophylla)的形态型和染色体数目。对这两个物种进行的有丝分裂研究显示二倍体染色体数目分别为2n = 12和2n = 28。结果表明,所研究的两种大戟属植物均属于大戟属植物,其基本染色体数分别为X = 6和X = 7,是由非整倍体和多倍体形成的二级系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Morphological and cytological studies of Euphorbia hyssopifolia L. and Euphorbia heterophylla L. from Ile-Ife, Nigeria

The morphotypes and chromosome numbers of Euphorbia hyssopifolia and Euphorbia heterophylla from Ile-Ife, Nigeria are reported for the first time. Mitotic studies carried out on both species revealed a diploid chromosome number of 2n = 12 and 2n = 28 respectively. The results indicate that the two Euphorbia species studied belong to the members of the genus Euphorbia with the secondary system of basic chromosome number of X = 6 and X = 7 (respectively) resulting from aneuploidy and polyploidy.

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