|本期目录/Table of Contents|

[1]吴英姿,胡继超,张雪松,等.环境因子对水稻叶片水分利用效率的影响[J].江苏农业科学,2014,42(05):79-82.
 Wu Yingzi,et al.Effect of environmental factors on water use efficiency of rice leaves[J].Jiangsu Agricultural Sciences,2014,42(05):79-82.
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环境因子对水稻叶片水分利用效率的影响(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05期
页码:
79-82
栏目:
育种栽培与生理生化
出版日期:
2014-05-25

文章信息/Info

Title:
Effect of environmental factors on water use efficiency of rice leaves
作者:
吴英姿 胡继超 张雪松 张富存 刘斌
南京信息工程大学应用气象学院/江苏省农业气象重点实验室,江苏南京 210044
Author(s):
Wu Yingziet al
关键词:
水稻叶片水分利用效率环境因子
Keywords:
-
分类号:
A
DOI:
-
文献标志码:
Q945.78;S511.01
摘要:
在水稻不同生育期测定了不同环境因子控制下的水稻叶片光合速率、蒸腾速率,并计算出其叶片水分利用效率,分析了CO2浓度、高温、光强、土壤水分等环境因子变化对水稻叶片水分利用效率的影响,结果表明:水稻LWUE随CO2浓度增加呈极显著的二次曲线变化,CO2浓度增加有利于水稻LWUE的提高。当光强高于1 000 μmol/(m2·s)时,随着光强的增强,两优培九的LWUE降低幅度比南粳44大。2个水稻品种LWUE各时期日变化规律较为相似,曲线总体呈“L”形。适当的土壤水分亏缺有利于提高水稻LWUE。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2013-09-02
基金项目:公益性行业(气象)科研专项(编号:GYHY201106029-7);南京信息工程大学基金(编号:2010356)。
作者简介:吴英姿(1988—),女,福建泉州人,硕士研究生,主要从事农业气象研究。E-mail:wyz07101085 @163.com。
通信作者:胡继超,副教授,从事农业气象、农田信息技术、农业水资源与水循环研究。E-mail:jchu2005@nuist.edu.cn。
更新日期/Last Update: 2014-05-25