外源水杨酸提高小麦抗寒性的应用研究

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1、量号－■？－＿：，：；二補：圓－圓＾中图分类号学巧代巧１０２２４二密级公开学号１３０９２０８４８一＿一吉：量：醉；皇甲＇１是袜乘嗦大聲专业名页女學位论义外源水杨酸提高小麦抗寒性的应用硏究作者李速导师苍晶化红伟学位类别工程硕±所在学院生命科学学院研究领域生物工程学习方式全日制二■．．二〇—五年六月独创声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研。，论究成果据我所知，除了

2、文中特别加Ｗ标注和致谢的地方外文中不包含其他人己经发表或撰写过的研究成果，也不包含未获得（注＝如没有其他需要特别声明的，本栏可空）或其他教育机构的学位或证书使一用过的材料。与我同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示谢意。学位论文作者签名；刖月：年月Ｓ紅学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，学校有权保留并向国家有关部口或机构送交论文的复印件和磁盘，允许论文被查阅和借阅。本人授权学校可Ｗ将学位论文的全部或部分内容编入有

3、关数据库进行检索，可Ｗ＇采用影印、缩印或扫描等复制手段保存、汇编学位论文。（保密的学位论文在解密后适用本授权书）学位论文作者签名；Ｓ期Ｓ年．Ｓ苯至导巧签名：日期：年月日ClassifiedIndex：Code：10224Confidential(yes/no)：noNO.：130920848DissertationfortheProfessionalMasterDegreeImprovingFreezingTolerancebyExogenousApplicationofSalicylicAci

4、dinWinterWheatCandidate:LiSuSupervisor:CangJingNiHongweiDegreeCategory:MasterofEngineeringCollege:CollegeofLifeScienceResearchField:BiologyEngineeringStudyMode:Full-timeHarbinChinaJune2015目录目录摘要·····································································

5、··········································I英文摘要·······································································································III1引言···········································································································

6、11.1低温对植物的影响····················································································11.1.1低温对植物生长发育的影响···································································11.1.2低温对植物渗透调节物质的影响······························································

7、11.2低温胁迫对光合系统的影响········································································21.2.1植物的光合系统··················································································21.2.2光合系统在低温胁迫下的变化·····························································

8、···21.3水杨酸对植物生长发育的影响·····································································31.3.1SA的代谢途径·························································