伴生小麥提高黃瓜霜霉病抗性的生理生化機(jī)制.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文伴生小麥提高黃瓜霜霉病抗性的生理生化機(jī)制姓名：韓哲申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)學(xué)；蔬菜學(xué)指導(dǎo)教師：吳鳳芝20120620Abstract曼曼曼曼曼曼曼曼曼曼曼曼曼曼量曼曼曼曼曼皇曼曼曼笪量曼曼!!!曼曼曼曼!曼曼曼曼皇皇曼曼曼曼曼曼曼曼曼曼量曼曼曼曼曼曼曼!曼皇Studyonphysiologicalandbiochemicalmechanismsofthedownymildewresistanceincrease

2、dfromcucumberaccompanywithwheatAbstractAstheimportantvegetableplant，cucumber(CucumissativusL)hasgreatgrowthareainunderglassculturetheagriculturedevelopmentwasinfluencedbycontinuouscroppingobstaclewhatwascausedbycontinuou

3、scroppingDownymildewisoneofthemostimportantdiseasesincucumberproductionitCallalsoresultinnoyieldbecauseofthequickonsetafterpathogeninfectionWheat(TriticumaeslivumL1isworldwidegramineouscropwithallelopathysomestudyindicat

4、edthataccompanywithwheathasapositiveimpactoncucumberdownymildewbuttheexactcauseisnotclearandneedbestudiedinfurtherThisstudyinvestigatetheaffectofdiseaserelatedproteinaboutresistancedownymildew、cytoarchitectonics、protecti

5、veenzymeandHRGPincucumberleavesafteraccompanywithwheat。an(IpurposeofthisstudyisidentifiedthephysiologicalandbiochemicalmechanismsthataccompanywithwheatcanraisetheresistanceofcucumbegtoprovideatheoryforproductionpracticeT

6、hemainresultsofthisexperimentshowasfollows：1Accompanywithwheatincreasesthecucumberyieldtheyieldincrease641％。andcontrolthedownymildewhappenofcucumber2Accompanywithwheatinfluencethephotosynthesisandosmoregulationindexofcuc

7、umberleavesAccompanywithwheatraisetheCO，concentrationincells，cutdownthecontentofchlorophylla、chlorophyllbandtotalchlorophyllincucumberincreasethephotosyntheticrates、stomatalconductanceandtranspirationratesinplantgrowthmi

8、danaphase；accompanywithwheatraisethesolublesugarcontentincreasethecontentoffreepralineandsolubleproteinincucumbergrowthmetaphase，degradetherelativeconductanceincucumbergrowthmidanaphase3Accompanywithwheatinfluencetheprot

9、ectiveenzymesactivitiesandMDAcontentofcucumberleavesAccompanywithwheatcutdowntheactivitieofSODincreasetheactivitieofPALdepresstheactivitiesofPOD、CATandPPOincucumbergrowthanaphase；accompanywithwheatcutdowntheMDAcontentinc

10、ucumbergrowthprophaseandanaphase5AccompanywithwheatinfluencetheMDAcontentofcucumberleavesInprotophaseofplantgrowth，accompanywithwheatdepresstheMDAcontent；inmetaphaseofplantgrowth，accompanywithwheatincreasetheMDAcontent：i

11、nanaphaseofplantgrowth，accompanywitllwheatdegradetheNDAcontent4AccompanywithwheatinfluencethestomatacharacterofcucumberleavesInprotophaseofplantgrowthaccompanywithwheatdepressthestomatalopeningrateandstomatalsize；inmeCap

12、haseofplantgrowth，accompanywithwheatcutdownthestomataldensity、stomatalopeningrate、stomatalsizeandstomatalareapercentage；inanaphaseofplantgrowthaccompanywithwheatdegradestomataldensity、stomatalsizeandstomatalopeningrate5A

13、ccompanywithwheatinfluencethecontentofligninandHRGPincucumberleavesAccompanywithwheatincreasethelignincontentincucumbergrowthprophaseandmetaphase；accompanywithwheatraisetheHRGPcontentincucumbergrowthmetaphase6Accompanywi