Genetic variation in agamospermous microspecies of Taraxacum sect. Erythrosperma and sect. Obliqua
作者： H Van Oostrum , A A Sterk , H J W Wijsman
DOI: 10.1038/HDY.1985.94
关键词: Population genetics 、 Botany 、 Genetic variation 、 Ecological amplitude 、 Sect 、 Biology 、 Facultative 、 Zoology 、 Taxon 、 Genetics(clinical) 、 Genetics
摘要: Agamospermous microspecies of Taraxacum have been studied at the isozyme level. T. tortilobum and rubicundum (sect. Erythrosperma), both a fairly broad ecological amplitude, consisted several clones. In Holland only few clones occur compared with situation in Central Europe. By contrast, obliquum Obliqua), restricted to outer dune habitat, no genetic variation could be demonstrated Dutch sites sampled. As an explanation for polymorphism agamospermous taxa either inheritance from sexual ancestors or possible facultative agamospermy is discussed.
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