| 物种种性漂移研究 |
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| 引用本文： | 王夫玉. 物种种性漂移研究[J]. 甘肃科学学报, 2002, 14(3): 62-69 |
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| 作者姓名： | 王夫玉 |
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| 作者单位： | 扬州大学农学院,江苏,扬州,225009；南京农业大学农学院,江苏,南京,210095 |
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| 摘 要： | 给出了物种种性漂移的定义，分析了物种机械学种性漂移，生物学种性漂移，遗传学种性漂移，气候学种性漂移和农艺学种性漂移的成因，提出了用于界定物种种性漂移的算术分析法和统计分析法，并用之对水稻单穗粒重性状因播期影响而发生的漂移进行了界定，还就诸如针对钟性漂移所应采取的对策等问题进行了讨论。
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| 关 键 词： | 物种种性漂移 机械学种性漂移 成因 水稻 单穗粒重 播期 物种性状特征 生物学种性漂移 |
| 文章编号： | 1004-0366(2002)03-0062-08 |
| 修稿时间： | 2001-09-26 |
STUDY ON SPECIFIC CHARACTERISTIC DRIFT IN SPECIES |
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| WANG Fu|yu+{,}. STUDY ON SPECIFIC CHARACTERISTIC DRIFT IN SPECIES[J]. Journal of Gansu Sciences, 2002, 14(3): 62-69 |
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| Authors: | WANG Fu|yu+{ } |
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| Affiliation: | WANG Fu|yu+{1,2} |
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| Abstract: | The specific characteristic drift(SCD) in species was defined, and the causes of formation on mechanical SCD(MSCD), biological SCD(BSCD), genetic SCD(GSCD), climatological SCD(CSCD) and agronomic SCD(ASCD) were analyzed. The methods of arithmetic analysis (MAA) and of statistical analysis(MSA) for delimiting SCD were given in this paper. MAA and MSA were used for delimiting the characteristic drift of grain weight per panicle (GWP) which was influenced by seeding time in rice. Such problems as countermeasures against SCD were also discussed at the end of the paper. |
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| Keywords: | species specific characteristic drift(SCD) cause of formation delimitation of SCD rice grain weight per panicle seeding time |
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