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Hybridization of Alien and Aboriginal Taxons of Bidens L. Genus in Eastern Europe

机译:东欧Bidens L.属的外来和原住民分类群的杂交

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摘要

Earlier it was suggested, based on study of the morphological features, that a new taxon of burmarigold, which had been noted in recent decades in several locations on the territory of Russia and neighboring countries and described as an alien species of Bidens connata, is in fact a hybrid species that arose in Europe. This hypothesis was confirmed by the molecular genetic method. A complex of taxa of the genus Bidens from various parts of the areal and their F1 first generation offspring were studied, and a polymerase chain reaction was performed using ISSR primers. It was established that the taxon investigated represents a complex of hybrids and recurrent hybrids that arose in the European part of Russia independently by hybridization of the alien B. frondosa and the aboriginal B. cernua.
机译:根据形态特征的研究,较早的时候提出了一种新的burmarigold的分类单元,该分类单元是近几十年来在俄罗斯和邻国领土上的几个地方注意到的,并被描述为Bidens connata的外来物种。实际上是欧洲出现的杂种。分子遗传学方法证实了这一假设。研究了来自该区域各个部分的Bidens属的类群及其F1第一代后代的复合物,并使用ISSR引物进行了聚合酶链反应。确定的是,所研究的分类单元代表了杂种和轮回杂种的复合体,它们是通过外来B. frondosa和土著B. cernua的杂交独立出现在俄罗斯的欧洲部分的。

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  • 来源
    《Biology Bulletin》 |2017年第4期|406-411|共6页
  • 作者单位

    Russian Acad Sci, Main Bot Garden, Ul Bot Skaya 4, Moscow 127276, Russia;

    Russian Acad Sci, Main Bot Garden, Ul Bot Skaya 4, Moscow 127276, Russia;

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