[1]刘红云,梁宗锁*,刘淑明,等.持续干旱及复水对杜仲幼苗保护酶活性和渗透调节物质的影响[J].西北林学院学报,2007,22(03):55-59.
　LIU Hongyun,LIANG Zongsuo*,LIU Shuming,et al.Effect of Progressive Drying and Rewatering on Protective Enzyme Activities and Osmoregulatory Molecules in Leaves of Eucommia ulmoides Seeding[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(03):55-59.
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持续干旱及复水对杜仲幼苗保护酶活性和渗透调节物质的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年03期
页码:
55-59
栏目:
森林生物学
出版日期:
2007-06-30

文章信息/Info

Title:
Effect of Progressive Drying and Rewatering on Protective Enzyme Activities and Osmoregulatory Molecules in Leaves of Eucommia ulmoides Seeding
作者:
刘红云1; 梁宗锁1; 2*; 刘淑明1; 董娟娥3
1.西北农林科技大学 生命科学学院，陕西 杨陵 712100；2.中国科学院、水利部 水土保持研究所，陕西 杨陵 712100；3.西北农林科技大学 林学院，陕西 杨陵 712100
Author(s):
LIU Hongyun1; LIANG Zongsuo1; 2*; LIU Shuming1; DONG Juane3
1.College of Life Sciences,Northwest A ＆ F University,Yangling,Shaanxi 712100, China；2.Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling,Shaanxi 712100, China；3. College of Foresty, Northwest
关键词:
杜仲; 干旱及复水; 保护酶活性; 渗透调节物质
Keywords:
Eucommia ulmoides ; drying and rewatering ; protective enzyme activities;  osmoregulatory molecules
分类号:
S794.901
文献标志码:
A
摘要:
通过盆栽试验，研究了土壤干旱及复水对杜仲幼苗的生理特性。结果表明杜仲叶片SOD、POD、CAT活性及Pro含量变化一致，随干旱时间的延长呈现先增加后降低的趋势；MDA含量表现出“增加→降低→再增加”的变化过程；可溶性蛋白变化呈“M”曲线；可溶性糖含量则呈现递增趋势。复水后，除可溶性糖外，其他各指标均恢复至较低水平。方差分析结果表明，持续干旱对杜仲、辽东栎的生理指标影响极显著（P＜0.01）。经隶属函数法计算得出，杜仲具有一定的抗旱性，但是较辽东栎弱。
Abstract:
Using potted 2a seedlings of Eucommia ulmoides,effects of drought stress and rewatering on the physiological characteristics were studied.The results showed that the activities of SOD,POD,CAT and the content of proline increased firstly and decreased then with prolonging drought stress；the content of MDA raised firstly,declined and then increased later；the content of soluble protein changed like “M”；the content of soluble sugar increased continually.All physiological indexes,except the content of soluble sugar,restored to lower levels after rewatering. Statistics analysis showed that the effects were significantly different for E. ulmoides and Quercus liaotungensis under drought stress（P＜0.01）.In all,the droughtresistant ability of E. ulmoides was worse than that of Q. liaotungensis.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20060921修回日期：20061113基金项目：国家自然科学基金（90302005）;教育部新世纪优秀人才与校拔尖人才项目作者简介：刘红云（1980），女，陕西蒲城人，在读硕士，主要从事水分与抗旱生理的研究。*通讯作者：梁宗锁。Email：liangzs@ms.iswc.ac.cn
更新日期/Last Update: 2010-05-04