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作 者 ：杨瑞武 周永红 郑有良

期 刊 ：云南植物研究 2003年 25卷 01期 页码：1-3

关键词：披碱草属；鹅观草属；猬草属；模式种；Giemsa C带；

Keywords:Elymus,

摘 要 ：采用改良的Giemsa C带技术，分析了小麦族披碱草属、鹅观草属和猬草属模式种的染色体C带带型。Elymus sibiricus、Roegneria caucasica和Hystrix patula的染色体在Giemsa C带带型上存在明显的差异，显示了这3个属模式种的物种特异性。3个模式种的Giemsa C带核型表明，C带带纹主要分布在染色体的末端和着丝粒附近，而中间带相对较少。对E.sibiricus、R.caucasica和H.patula的St、H、Y染色体组C带带型与其它物种的St、H、Y染色体组C带带型的差异进行了讨论。

Abstract:The Giemsa C-banding analyses of type species of Elymus L., Roegneria C. Koch and Hys-trix Moench in Triticeae were carried out by using an improved C-banding procedure. The Giemsa C-banding patterns among E. sibiricus R.caucasica and H. patula were distinct, indicating the interspecific differentiation of the three type species. Most of the Giemsa C-banding diferences of St,H or Y genome in E. sibiricus, R.caucasica and H.patula between other species were discussed.

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