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Natural hybridization and reproductive isolation between two Primula species 被引量:1
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作者 Yanping Xie Xingfu Zhu +3 位作者 Yongpeng Ma Jianli Zhao Li Li Qingjun Li 《Journal of Integrative Plant Biology》 SCIE CAS CSCD 2017年第8期526-530,共5页
Natural hybridization frequently occurs in plants and can facilitate gene flow between species, possibly resulting in species refusion. However, various reproductive barriers block the formation of hybrids and maintai... Natural hybridization frequently occurs in plants and can facilitate gene flow between species, possibly resulting in species refusion. However, various reproductive barriers block the formation of hybrids and maintain species integrity. Here, we conducted a field survey to examine natural hybridization and reproductive isolation (RI) between sympatric populations of Primula secundiflora and P. poissonii using ten nuclear simple sequence repeat (SSR) loci. Although introgressive hybridization occurred, species boundaries between P. secundiflora and P. poissonii were maintained through nearly complete reproductive isolation. These interfertite species provide an excellent model for studying the RI mechanisms and evolutionary forces that maintain species boundaries. 展开更多
关键词 of IS on for in RI Natural hybridization and reproductive isolation between two Primula species were
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