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中国山楂属植物资源研究和利用现状
作者: 柳唐镜1  2  3  张 棵4  5  刘国英5  6  吴素萍1  伍钱林2  6  陈宝燕5  6  钟 娜2  6  
单位: (1 贺州市信都红籽瓜研究发展中心  广西贺州 542813;2 三亚市南繁科学技术研究院  海南三亚 572000;3 乐东县黄流镇人民政府  海南乐东 572536;4 三亚市农业局  海南三亚 572000;5 三亚海源实业有限公司  海南三亚 572025;  
关键词: 山楂属  种质资源  收集评价  创新利用  
分类号:S661.502
出版年,卷(期):页码:2011 ,42 ( 8 ): 页码:847-852
摘要:

Crataegus spp. plants are one of the most important germplasm resources of fruit trees in China. In recent years, a lot of Hawthorn germplasm waterials were collected from all over the country, and preserved in conservation nurseries. These germplasm resources were evaluated and identified on the basis of morphological and agronomical characteristics, and the Description and Data Standard for Hawthorn (Crataegus spp.) have been worked out. Many physio-biochemical and molecular techniques, viz., peroxidase isozyme zymogram, RAPD, ISSR, cpDNA PCR-RFLP and cpSSR, etc., have been used to classify them and to study the genetic diversity for innovative application of Hawthorn germplasm resources. Future studies must be concentrated upon use of modern molecular marker techniques to study and to understand the phyletic evolution, classification, genetic diversities and polymorphism amongst Hawthorn germplasm resources, which will help in constructing the genetic database of core germplasm and will facilitate the genetic engineering researches. Further, suggestions have been given to strengthen the polyploidy breeding and the breeding of Hawthorn varieties with special reference to its medical role in health care, wide ecological adaptability, strong fertility, fine quality in order to make use of this important plant species.

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