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1. Observation of Diploid Selection Phenomena In Vitro Culture of the Cytochimeral Explants of Pelargonium zonale | |||
Li Mingyin | |||
Biology 21 April 2008 | |||
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Abstract:Different explants from the cytochimeral clone `Weißer Liebling` with diploid-haploid -haploid and clone `Kleiner Liebling` 5/74/2 with polyploid-haploid-haploid of Pelargonium zonale were used first time to investigate regenerated ability of different ploidy cells In vitro on the same medium in the same conditions. Regenerated plants contained diploids, tetraploids and mixoploidy. 44.5% from clone `Weißer Liebling` and 68.0% of regenerates from explants of clone `Kleiner Liebling` 5/74/2 were plants with diploid chromosome number. The results showed that diploids had an advantage by competition between the different ploidy cells during shoot development, i.e. diploid Selection Phenomena. Diploid shoots were possibly produced not only from the double of the haploid origin, but also from the somatic reduction of the polyploid origin | |||
TO cite this article:Li Mingyin. Observation of Diploid Selection Phenomena In Vitro Culture of the Cytochimeral Explants of Pelargonium zonale[OL].[21 April 2008] http://en.paper.edu.cn/en_releasepaper/content/20724 |
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