哈茲木霉對植物的促生作用及其機制研究.pdf

1、分類號：Q141：311密級：單位代碼學(xué)號10364星Q壘Q21塑Q王!三王窟微震業(yè)大學(xué)學(xué)位論文哈茲木霉對植物的促生作用及其機制研究OntheEffectsandtheMechanismsofGrowthPromotingof研究指導(dǎo)TrichodermaharzianumtoPlant教申請學(xué)位類別：堡堂亟專業(yè)領(lǐng)域名稱：微生塑堂研究方答辯委員會主席：塑殳趁二oo七年六月AbstractTrichodermasppbelongtothe

2、fungiinDeuteromyeotinaTheygenerallyexistintheworldTrichodermaharziaiarumisnotonlyakindofbiologilealcontrolfungusthathasbeenstudiedextensivelybutalsoplaysaroleinpromotingplantgrowthHowever，themechanismofpromotingplantgrow

3、thisntcleartodateItisimportanttotesearchitseffectsonplantandthemechanismsofpromotingplantgrowthIntheexeprements。theeffectsofpromotingplantgrowthandthemechanismofTHlisolateinZhamianumwerestudiedTheresultswereasbelows1Thee

4、ffectsofTHlisolateinZharzianuminpromotingplantgrowthThereweretwoschemesthatwereusedinstudyingtheeffectofpromotingplantgrowthThefirstisabouttheeffectsofzymolyticliquidofZharziaiarum111eresultsshowedthat10timesto100timesdi

5、lutezymolyticliquidhasarelativelynotablepromotingroletocabbage，spinachandcapsicumRpromotedtheabovegroundfreshweightandincreasedthecontentofchlorophyllandthenitratedeoxidizeactivityofcabbagespinachandcapsicum111esecondist

6、heeffectsofsoiltreatedwithZharziaiaruraonplantTheresultsdemonstratedtheobviousplantgrowth—promotingeffectofTH一1isolateinZharzianumTreatment—MTpromotedinevidencethegrowthofcabbage，spinachandcapsicumcomparedtoTreatment—MTT

7、reatmentMTpromotednotablythegrowthofthoseplantscomparedtoTreatmentMTandMSTreatmentM—TandMSimprovedtheabovegroundfreshweightinevidencecomparedto—M—TButthecontentofchlorophyllandthenitratereeducateactivityofTreatmentMTandM

8、Sweremuchlessthanthatof—M—TAllthoseshowthatonlythelivingZharzianumhastheeffectofpromoting—plantgrowth2ThemechanismofplantgrowthpromotingofTHlisolateinZharzianumSeveralexperimentswereconductedtodeterminethephytohormoneinz

9、ymolyticliquid，thechangesofplantsresistanceandtheinteractionbetweenZharzianumandothermicrobes111eresultsshowedthattheZharzianumcouldinducetheresistanceofcabbage，spinachandcapsicum，andtherewereinteractionbetweenZharzianum

10、andothermicrobesinsoil，buttheexperimentcan’tprovewhetherthereWasanyofthephytohormoneornotinthezymolyticliquidComparedtoCK，thezymolyticliquidincreaseddistinctlythecontentofprolin，thepolyphenoloxidaseactivityandthepolyphen