吉林省稻种资源核心种质构建的研究
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S511.024

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Studies on Constructing Core Collection of Rice Germplasm Resources in Jilin Province
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    摘要:

    本研究在借鉴国内外有关同类研究的基础上,以我所自建国以来历年收集、观察、鉴定和筛选出性状稳定一致的3170份稻种资源为研究对象,在吉林省农业科学院水稻所试验地同一试验条件下,自1997~2000年进行了连续4年的系统观察、鉴定,确定了以总体取样量15%、按代码分组、组内简单比例取样及组内聚类取样的取样方案作为构建吉林省稻种资源核心种质的最佳方案。按照最佳建库方案构建起了一个以资源总数3170份的15%,即477份核心样品资源可代表总体资源98%以上的遗传多样性的核心种质库。

    Abstract:

    A total of 3 170 strains of rice germplasm from 20 countries were studied by refer to similar studies native and abroad. A core collection of these germplasm was constructed. The results were as follows: One billion basal data of 25 classifying trains of 3 170 varieties were obtained. The optimum method was determined after 4 years’ experiment. That is sampling 15 percent of total amount, grouping according the code, simple proportional sampling and clustering sampling with group. A core collection bank of 447 varieties out of 3 170 varieties was constructed. These varieties, accounted for 15% of total germplasm, could represent the total germplasm bank. All data could be treated with computer automatically.

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孙强,林秀云,李明生,王贵才.吉林省稻种资源核心种质构建的研究[J].东北农业科学,2006,31(1):21-24,58.

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  • 收稿日期:2005-08-19
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  • 在线发布日期: 2025-03-12
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