Ecological, morphological and genetic diversity in Oryza rufipogon Griff. (Poaceae) from Hainan Island, China

文献类型: 外文期刊

第一作者: Wu Hongjin

作者: Wu Hongjin;Peng Yufa;Pei Xinwu;Wang Xujing;Jia Shirong;Yuan Qianhua

作者机构:

关键词: introgression.;Conservation;Ecological;morphological and genetic diversity;Natural populations;Oryza rufipogon Griff;Internet resource.

期刊名称:GENETIC RESOURCES AND CROP EVOLUTION ( 影响因子:1.524; 五年影响因子:1.713 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: In this study, ecological, morphological and genetic diversity in 11 surviving populations of Oryza rufipogon Griff. from Hainan Island, China were investigated. These data served to provide much needed data in support of conservation strategies. The results divided O. rufipogon into six ecotypes. The cluster analysis based on 19 morphological features showed clear differentiation among populations or within populations. The cluster analysis based on SSR also revealed similar results. The ecological, morphological and genetic diversity observed in O. rufipogon resulted in the following conservation recommendations: (1) the four currently protected O. rufipogon localities should be maintained, due to the different ecological communities represented at these sites; (2) some populations, such as HL (Hele county, Hainan Island), should be protected, but some populations, such as FC (Fucheng county, Hainan Island) and DL (Dalu county, Hainan Island), might not be protected. (3) An isolation zone should be established to avoid possible introgression between O. sativa L. and O. rufipogon; and human activities that impact O. rufipogon should be reduced or eliminated.

分类号: S18

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