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葡萄“克伦生”品种抽条原因的主成分分析
Principal Component Analysis on the Cause of Grape Chilling & Drought Injury
【摘要】 河南济源市坡头镇的"克伦生"葡萄生产基地,2006年春季发生较大面积的抽条现象。调查了霜霉病、地势、同龄主干粗度、果实采收期、施基肥与不施基肥、春灌时间等因素对葡萄抽条的影响。通过对抽条相关因素的分析,从中提取出4个主成分,由秋施基肥和不同果实成熟期代表的第1主成分反映了树体贮藏营养水平,是对抽条影响最大的因素,其次依次为树体细胞内的渗透势、霜霉病和树体当年有效营养生长时间。
【Abstract】 Severe Chilling & Drought Injury happened in "Cransen" grape garden at Potou town,Jiyuan city,Henan province.Investigated effect of frost & mold disease,hypsography,trunk diameter,harvesting date,autumn fertilizer,spring irrigating time on grape Chilling & Drought Injury.Extracted 4 principal component,the first one influence the phenomenon mostly,which is mainly composed of the autumn fertilizer and fruit harvesting date.Osmotic potential,downy mildew and factual nutrient growth timing followed it consequently.
【关键词】 克伦生葡萄;
抽条;
影响因素;
主成分分析;
【Key words】 Crimson grape; Chilling & Drought Injury; influential factor; principal component analysis;
【Key words】 Crimson grape; Chilling & Drought Injury; influential factor; principal component analysis;
- 【文献出处】 河南科技学院学报(自然科学版) ,Journal of Henan Institute of Science and Technology(Natural Sciences Edition) , 编辑部邮箱 ,2008年02期
- 【分类号】S663.1
- 【被引频次】6
- 【下载频次】125