|本期目录/Table of Contents|

[1]王贵平,王金政,薛晓敏,等.晚秋叶施高浓度尿素对苹果落叶及贮藏氮素的影响[J].江苏农业科学,2014,42(01):140-142.
 Wang Guiping,et al.Effects of high concentrations of foliar applied urea on defoliation and nitrogen storage of apple in late autumn[J].Jiangsu Agricultural Sciences,2014,42(01):140-142.
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晚秋叶施高浓度尿素对苹果落叶及贮藏氮素的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第42卷
期数:
2014年01期
页码:
140-142
栏目:
园艺园林
出版日期:
2014-01-25

文章信息/Info

Title:
Effects of high concentrations of foliar applied urea on defoliation and nitrogen storage of apple in late autumn
作者:
王贵平 王金政 薛晓敏 路超 聂佩显
山东省果树研究所,山东泰安 271000
Author(s):
Wang Guipinget al
关键词:
苹果尿素SPAD值落叶率生长贮藏氮素
Keywords:
-
分类号:
S661.106+.2
DOI:
-
文献标志码:
A
摘要:
以2年生苹果“天红2号/SH40”为试材,研究晚秋叶施高浓度尿素对苹果落叶和树体营养的影响,结果表明,叶面喷施尿素后,叶片中N含量明显增加,喷施8%尿素增加更为明显,喷施5%尿素叶片的叶绿素含量(SPAD值)高于对照,而喷施8%尿素叶片的SPAD值低于对照;喷施尿素处理,翌年春季枝条和根中N含量高于对照,这种差异在枝条中更明显,而且喷施5%尿素的枝条和根中N含量高于叶面喷施8%尿素;喷施高浓度尿素能使果树提早1周左右落叶。因此,晚秋叶施高浓度尿素对翌春的果树生长有益,以喷施5%尿素为宜。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-05-10
基金项目:国家现代农业产业技术体系建设专项(编号:CARS-28);山东省自然科学基金(编号:ZR2011CM034)。
作者简介:王贵平(1980—),女,山东菏泽人,博士,助理研究员,主要从事水果育种与栽培生理研究。E-mail:guigui-0530@163.com。
通信作者:王金政,研究员,主要从事水果育种栽培和设施果树研究。E-mail:wjz992001@163.com.cn。
更新日期/Last Update: 2014-01-25