[1]童淑媛,宋凤斌.玉米生育后期不同节位叶片和叶鞘的生理特性变化[J].黑龙江农业科学,2012,(08):34-37,46.
　TONG Shu-yuan,SONG Feng-bin.Physiological Characteristic Changes of Leaf and Leaf Sheath atDifferent Stem Nodes of Maize in the Late Growth Stage[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(08):34-37,46.
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玉米生育后期不同节位叶片和叶鞘的生理特性变化

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2012年08 页码: 34-37,46 栏目: 出版日期: 2012-08-10
Title:
Physiological Characteristic Changes of Leaf and Leaf Sheath atDifferent Stem Nodes of Maize in the Late Growth Stage
文章编号:
1002-2767（2012）08-0034-04
作者:
童淑媛1; 宋凤斌2
1.黑龙江农业经济职业学院，黑龙江 牡丹江 157041；
2.中国科学院 东北地理与农业生态研究所，吉林 长春 130012
Author(s):
TONG Shu-yuan1 ; SONG Feng-bin2
1.Heilongjiang Agricultural Economy Professional College，Mudanjiang,Heilongjiang 157041；
2.Northeast Institute of Geography and Agricultural Ecology，Chinese Academy of Sciences，Changchun，Jilin 130012
关键词:
玉米; 不同节位; 叶片; 叶鞘; 衰老
Keywords:
maize; different nodes; leaf; leaf sheath; senescence
分类号:
Q945；S513
文献标志码:
A
摘要:
为选育玉米优良品种，促进其高产栽培，以郑单958为试验材料，研究了生育后期其不同节位叶片和叶鞘生理特性的变化。结果表明：灌浆过程中，叶片和叶鞘的叶绿素含量、蛋白质含量的降低和MDA含量的增加幅度均表现为中部<上部<下部。生育后期，叶鞘的叶绿素、可溶性蛋白质含量的降低幅度明显高于叶片，表明叶鞘在衰老过程中抗逆性差。
Abstract:
In order to develop superior maize varieties and promote high yield cultivation,the maize hybrid Zhengdan 958 of upright-leaf type was used as experimental materials．Physiological characteristic changes of leaf and leaf sheath at different nodes of maize were investigated in the late growth stage.The results showed that chlorophyll content and soluble protein content were decreased,MDA content was increased during grain filling process.The change range presented as the middle leaf(leaf sheath)

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备注/Memo

基金项目：国家863计划资助项目(2006AA10Z227)

第一作者简介：童淑媛(1981-)，女，吉林省白山市人，博士，副教授，从事作物生理生态研究。E-mail:tongyu8105@126.com。
通讯作者：宋凤斌(1963-)，男，吉林省松原市人，博士，研究员，博士生导师，从事作物生理生态研究。

更新日期/Last Update: 2014-10-28