簡(jiǎn)介：合肥工業(yè)大學(xué)碩士學(xué)位論文淠史杭灌區(qū)信息化管理總體構(gòu)想與初步設(shè)計(jì)姓名李宗堯申請(qǐng)學(xué)位級(jí)別碩士專業(yè)水利工程指導(dǎo)教師金菊良張永江20050401INFORMATIONADMINISTRATIONSYSTEMDESJGNOFPISHJHANGIRRIGATIONAREAINANHUIPROVINCEABSTRACTWIMT王IEDEVELOPMENTOFCOMPUTERA11DINTEMETTECHNOLOGYBYLE印SAILDBOUNDS，IRSIMPONANTTOBUNDIRRIGATIONAREAINFBRNLATIONSYSTEM，WHICHHASPCRFECT‰嘶ON，RUNSRELIABLY’USESCCONOMICAILYCONNECTEDCLOSELYWITHTHEREALITYOFPISHIH趴GIRRIGATIONAREAINA1111UIPROVINCEANDFACEDTOTHEGENERALDEMANDOFWALERCONSERVANCYMANAGEMENTDEPARBTLENT，THISP印ERUSEDW曲TEC王LILOLOGY，DATABASEA11DOMERADVAILCEDCOMPUTERTECHNOLOGYTOBUILDWATERCONSERV姐CYGOVEMMENTAFFAIRSMANAGEMENTINFORMATIONSYSTEM，INFONNATIONNETWORKNATBUIIDINGOFIRRIGATIONAREA，WATERMANAGEMENTDECISIONSUPPORTSYS把MATMESAMETIME，THISPAPERCOMBINESMEREASONABLEDISTRIBUTIONOFWATERRESOURCES州THSOCIALECONOMYDEVELOPMENTFROMT11E蛐91EOFSYS捃MAJLALYSIS，OPTIMIZATJONDJS仃IBUTIONJSPRESENTED。THISHASSIGN灑CAILCESFORFUMLLINGTLLESTRATCGYOFECONOMYDEVELOPMENTINANHUIPMVINCEBASED0NPLENTYOFSTUDYING，THISPAPERFUL6LSTHE‰CTIONOFINPUUING趾DOUTPLJHING，QUEF血G，F(xiàn)0酋ECASTINGA11DDISPATCHINGITCANIMPROVCTHCLEVELOFIRRIGATIONAREAMANAGEMEMAIIDHASHIGHREFBRCNCEVALUEFORDEVELOPINGOTHERWATERCONSERVANCYMAIIAGEMENTSYGTEMKEYWORDSPISHIHALLGIRRIGATIONMEA；M鋤AGEMENTINF_OMATIZATION；DECISIONSUPPORTSYSTEM；INFBRNLADONMALLAGEMENTSYSTEM

簡(jiǎn)介：安徽農(nóng)業(yè)大學(xué)碩士學(xué)位論文淠史杭灌區(qū)水稻節(jié)水灌溉專家系統(tǒng)的研究姓名李佳新申請(qǐng)學(xué)位級(jí)別碩士專業(yè)作物栽培學(xué)與耕作學(xué)指導(dǎo)教師黃義德王儒敬20050501ABSTRACTSTARTING、ⅣITHTHEBASICPRINCIPLESOFWATERSAVINGIRRIGATIONWSD，THEAUTHORANALYZEDEACHPARAMETEROFIRRIGATIONFORECASTANDPOSEDTHEBASISOFWSIFORECAST，THEEXPERTSYSTEMFORWATERSAVINGIRRIGATIONOFRICEINPISHIHANGIRRIGATIONDISTRICTWASDESIGNEDBYAGRICULTURALINFORMATIONPLATFORM1OAIPL0DEVELOPEDBYHEIFEIINSTITUTEOFINTELLIGENTMACHINES，ACADEMYSCIENCESOFCHINATHISSYSTEMWASDESIGNEDWITHBOTHTHEBASEOFEXPELS’KNOWLEDGEANDYEARSOFEXPERIENCEINRICEPRODUCTIONANDCOMPUTERSOFTWARE，ALSOTHEUTILIZATIONOFKNOWLEDGEENGINEERINGANDINFORMATIONTECHNOLOGYTHEORGANIZATIONANDSTRUCTUREOFTHISDESIGNEDSYSTEMINCLUDESSIXMAINPACTSKNOWLEDGEBASE，DATABANK，MODELBASE，HUMANCOMPUTERINTERFACE，EXPLANATIONUNIT，ANDREASONINGUNITTHEKNOWLEDGEBASEANDREASONINGUNITAREMUTUALLYINDEPENDENTAND、ⅣITLLCONSIDERABLYSTRONGCAPACITYOFEXTENSION；THEMODULESTRUCTUREENHANCESTHESYSTEMTOBEFURTHEREXTENSIONANDMOREPERFECTONLYBYTHEEXTENSIONANDPERFECTIONOFTHESPECIFICMODULE，F(xiàn)URTHERMORE，THISSYSTEM，SYNTHETICALLYINTEGRATED麗THAGRICULTURALEXPERTSYSTEM，DECISIONSUPPORTSYSTEM，ASWELLASMULTIMEDIATECHNOLOGYISNOTONLYOBJECTIVE，IMAGINABLE，ANDFRIENDLYFORHUMANCOMPUTERINTERFACE，BUTALSOSIMPLETOHANDLEOPERATE，EASYTOLEARNANDUNDERSTANDTHISSYSTEMTAKESWINDOWSASITSAPPLYSTAGESYNTHETICUSEOFTHEMECHANICSOFREASONING，PREDICTION，ANDEXPLANATIONISOFMEANINGFORSERVINGANDADVISINGTHECUSTOMERSTOREALIZETHEDECISIONOFWATERSAVINGCULTIVATIONANDADMINISTRATIONOFRICETHEFIMCTIONOFTHISSYSTEMINCLUDESPOSSESSESTHEFOLLOWINGTHREEMODULES1DECISIONMAKINGOFIRRIGATIONDURINGPONDINGPERIODTHISSYSTEMISBASEDONWATERDEPTHOFTRANSPLANTING，INFILTRATIONVOLUME，DAYS，MEANEVAPORATIONINTENSITYANDRAINFALLDURINGPONDINGPERIODTOFORECASTIRRIGATIONQUOTADURINGPONDINGPERIOD2DECISIONMAKINGOFIRRIGATIONDURINGGROWINGPERIODTHISSYSTEMISBASEDONTHEDEPTHOFROOTSYSTEM，DRYUNITWEIGHTOFSOIL，UPPERLIMITINDEXOFIRRIGATIONANDANTECEDENTSOILWATERTOFORECASTIRRIGATIONQUOTA；ITISBASEDONACTUALEVAPOTRANSPIRATIONCAPACITYEFFECTIVERAINFALLANDWATERRESERVEOFSOILTOFORECASTIRRIGATIONTIME3WATERSAVINGIRRIGATIONBENEFICIALANALYSISITINCLUDESECONOMICALBENEFICIALANALYSIS，SOCIALBENEFICIALANALYSISANDENVIRONMENTALBENEFICIALANALYSISII

簡(jiǎn)介：南京林業(yè)大學(xué)碩士學(xué)位論文引進(jìn)33種歐洲海棠品種繁殖栽培研究及景觀應(yīng)用價(jià)值評(píng)價(jià)姓名王明榮申請(qǐng)學(xué)位級(jí)別碩士專業(yè)林業(yè)指導(dǎo)教師向其柏郭善基20050301THEBREEDINGANDCULTIVATINGOF33EUROPEMALUSSPECIESORCULTIVARSANDTHEIRORNAMENTALAPPRAISALWANGMINGMNGDIRECTEDBYPROFXIANGQIHAIABSTRACTTHISSTUDIESDESCRIBETHEBIOLOGYANDECOLOGYCHARACTERJSTICSOF33EUROPEMAIMSPECIESORCULFIVARSINMADUCEDBYSHANDONGPROVINCEGUANGHELANDSCAPESCINEETEEHNOLOGYCO，LTD，PROBINGTHEBREEDINGANDCULTIVATINGWAYSOFTHESEMALUSSPECIES，F(xiàn)IRSTLYUSINGAHPANALTIEHIERARCHYPROCESSTOEVALUATETHEIRORNAMENTALVALUEANDMAKINGSATISFIEDRESULTSAECRODINGTOTHEEXPERIMENTRESULTS，MOSTEUROPEMALUSSPECIESADAPTTOTHECLIMATEOFSHANDONGPROVINCEANDSHOWTHEIREXCELLENTCHATACTERISTICS，SOCANBEUSEDANDPOPULARIZEDINHUABEIAREA，SUCH硒MALUS‘RADIANFMALUS‘REDSPLENDERMALUS‘DOLGOMALUS‘FLAMEBUTTHEREAREALSOSOMESPECIESTHATEARMOTACCOMMODATEVERYWELL，THEIRAPPLMAFIONVALUESSHOULDTOBEOBSERVDMOREDEEPLY，SUCHASMALUSTSCHONOSMIMALUS‘LISCT’MA／US‘SPARKLER’，MALUS‘KELSEY’THESTUDIESALSODEMONSTRATETHATBUDGRAFTINGANDSCIONGRA_T陸AGARETHETWELIABLEBREEDINGWAYSOFEUROPEMALUSSPECIESINTRODUCEDTOSHANDONGPROVINCEAPPLYINGAHPTOESTABLISHACOMPREHENSIVEVALUINGMODESUITINGTOTHEEUROPEMALUSSPECIESAEERODINGTOTHISMODE，ALL33EUROPEMALUSSPECIESAREESTIMATEDANDDIVIDEDINTOFOURGREDESALLGRADSINCLUDINGTHETOPPESTBASEDONTHEDISTRIBUTECONDITIONOFVALUATIONRESULTSANDVISUALEXPERIENCEAHPMODEM婦GSATISFIEDRESULTSANDSETTLEASCIENTIFICTHEORYFOUNDATIONFORTHELARGESCALEAPPLYINGOFEUROPEMALUSSPECIESINLANDSCAPEGARDENOFCHINEKEYWORDSINTRODUCTION；EUROPEMALUS；AIIP

簡(jiǎn)介：UNIVERSITYCODE10225REGISTERCODES15704DISSERTATIONFORTHEDEGREEOFMASTERISOLATL0NANDFUNCTIONALANALYSISOFTHEB尸C庀2GENEANDITSPROMOTERINCANDIDATESUPERVISORASSOCIATESUPERVISORACADEMICDEGREEAPPLIEDFORSPECIALITYDATEOF0RAIEXAMINATIONUNIVERSITYWANGSUIPROFYANGCHUANPINGPROFJIANGJINGMASTERFORESTTREEGENETICSANDBREEDINGJUNE2015NORTHEASTFORESTRYUNIVERSITYABSTRACTCUPSHAPEDCOTYLEDON2CUE2，AMEMBEROFTHEPLANTSPECIFICNACTRAJLSCRIDTIONFACTORFAMILYISREQUIREDFORSHOOTAPICALMERISTEMSAMFORNLATLONA11DSPECIFICATIONOFTHEORGANBOUNDARYINRECENTYEARS，ITHASATTRACTEDMOREANDMORE舭NTLONHO、VEVER，T11ESTUDYOFTHECUC2GENEALMOSTFOCUSEDOLLTHEMODELPLANTARABIDOPSISTHALIA玎口ANDSOⅡLEOTHERCASHCROPSSOFARITHASNOTBEENREPORTEDONWOODYPLANTSTOHELPPEOPLELE啪MOREABOUTTHEEXACTMECHANISMOFGROWTHANDDEVELOPMENTOFBETULAPENDULAANDUSETHEBPCUC2GENETEBUILDPLANTFORM，INTHISRESEARCH，WEPRELIMINARYANALYSISFUNCTLONANDEXPRESSIONPROFILESOFTHEBPCUC2GENEINBETULAPENDULAINTHISRESEARCH，F(xiàn)IRST，WECLONETHE印CUC2GENEUSINGPCRTECHNOLOGY，CONSTRUCTTHEDLANTEXPRESSIONVECTORCONTAININGTHECAMV35SSTRONGPROMOTERANDANALYZETHEGENESEQUENCENEXT，AREALTIMEPCRISUSEDTOQUANTIFYTHEZ汐CUC2GENEEXPRESSIONO士DIFFERENTTISSUESOFHALFYE廿OLDBETULAPENDUTASEEDLINGSTHEN，WECLONETHEBPCUC2GENEPROLNOTERFROMTHEGDNAOFBETULAPENDULA，CONNECTITWITHTHELUC2REPORTERGENEANDFU8EITINTOAR口BIAOPS魄THALIANAUSINGTHEPLANTIMAGINGSYSTEM，WEANALYZETHETISSUESPECIFICLTYOFTHEBPCUC2GENEEXDRESSIONATLAST，WEFUSETHEOPCUC2GENEINTOARABIDOPSISTHALIANAA11DOBSERVETHEPHENOTYPECHANGESOFTHETRANSGENICARABIDOPSISTHALIANASTRATUSWHICHHAYEHIGHLEVELEXPRESSIONOFTHEBPCUC2GENETHERESULTSINDICATETHAT1FORECASTSHOWEDTHATTHEBPCUC2GENECONTAINEDTHREEEXON8ANDTWOINTRONS，2126BPOFFULLLENGTHSEQUENCE，52BPOF5’UTR，204BPOF3’UTRAND1065BDOFCDS2THEREWASASIGNIFICANTDIFFERENCEOFTHEBPCUC2GENEEXPRESSION鋤ONGDI虢RENTTISSUESOFBETULAPENDULASEEDLINGSINDESCENDINGORDERTHEEXPRESSION1EVELOFTHEBPCUC2GENEWERESTEMTIPS，STEMS，ROOTSANDLEAVES，ANDTHEEXPRESSIONOFSTEMTLPSWASOTIMESHIGHERTHANTHATOFLEAVES3THEBPCUC2COREPROMOTERONLYCONTAINEDTATABOXANDINITIATORANDTHEWHOLEPROMOTERSEQUENCEALSOHADSOMANYKINDSOFCISACTINGELEMENTS，INCLUDINGTISSUESPECIFICEXPRESSION，PHYTOHORMONEANDENVIRONMENTALSTRESSRE8PON8E，TR肌SCRIPTIONFACTORBINDING，ETC4THEBPCUC2PROMOTERDROVETHELUC2REPORTERGENETOEXPRESSINSAM，LEAFMARGINSANDFLOWERS，OFWHICHTHEEXPRESSIONINSAMWASTHEHIGHEST5THEPHENOTYPEOFBPCUC2OVEREXPRESSINGPLANTSEXHIBITEDMULTIPLESAMS，DIVIDEDCOTYLEDONSINCREASEDROSETTELEAVESANDMAINSTEMS，SMALLERORGANS，SHRUNKENPLANTHELGHT，DELAYEDDEVELOPMENTETCTHERESUITSSUGGESTTHATTHEBPCUC2GENEMAINLYEXPRESSESINMERISTEMTHROUGHOUTTHEGROWTHCYCLEOFBETULAPENDULA，ITPLAYSANIMPORTANTROLE一II

簡(jiǎn)介：上海水產(chǎn)大學(xué)碩士學(xué)位論文三種常見(jiàn)滸苔生活史的初步研究姓名王曉坤申請(qǐng)學(xué)位級(jí)別碩士專業(yè)海洋生物學(xué)指導(dǎo)教師馬家海20070501上海水產(chǎn)大學(xué)碩十學(xué)位論文PRELIMINARYSTUDYOQLIFEHISTORIESOFENTEROMORPHA／／NZAENTEROMORPHPROLIFERAANDENTEROMORPHAINTESTINALISABSTRACTTHEPRESENTSTUDYWASUNDEFTAKALINLIFEHISTORYOFENTEROMORPHAFORARTIFICIAL辯。DINGANDCULTIVATIORLONTHEONEHANDTHEPURPOSEWAST0ACCMULATETHEBASICMATEFIALSABOUTRESEARCHCONCERNINGSPECIESOFTHEMARINEGREENMACROALGAENTEROMORPHAWHICHWASSCARCELYSTUDIEDANDITSMASSCULTIVATIONHADNEVERBEENMAKEUPDATEINALILLA’ONTHEOTLI￡RH鋤D，曲RESEARCHPRODDEDTHEKISICTHEORIESFORTHEEFFECTIVECULTIVATIONM曲ODSANDTECHNIQUESOFENTEMMORPHAINORDERTOMAKEITBECOMEANEWSPECIESOFMARINEGREENMACROALGAECULTIVATIONINCHINATHECONVENTIONALSYSI砌CIDENTIFICATIONOFENTEROMORPHALINZ珥ENTEROMORPHAPROLIFERAANDENLEMMORPHAINTESTINALISW腫COM刪INCHARACTERIZATIONLIFEHISTORYDISTRIBUTIONECOLOGYANDCELLWAITANDWORKOUTKEYOFTHATTHREESPECIESINTHEPRESENTSTUDYTHE鋤JTHOFOBSERVEDAND砌PORTEDTHEMORPHOLOGICALCLI出DCLEISANDDEVELOPMENTPROCESSINALLSTAGESOFTHELIFEHIS呻OFE1IMAEPROLIFERAANDEINTESTINALIS婦OUGHCROSSINGEXPERIMENTSANDU11IALGALCULTURESFORGENERATIONSFORTHEFIRSTTHNEINCHINATHEALLTHORHADNEWDISCOVERIESANDCOMPLEMENTSABOUTTHELIFEHISTORYOFEMEROMORPHABIFLAGELLATEGANLETESAREPRODUCEDBYDIOECIOUSMEMBRANOUSGAMETOPHYTESANDTHENTHEYJOINTOGETHERANDGROWINTOASPOROPHYTEBOTHTHEMALEANDTHEFEMALEGMNETESOFEMEMMO伊HACANGENNINATEPARTHENOGENETICALLYANDDEVELOPINTONGAVTHALLUSTHESPOROPHYTETHENILNL婦GOESMEIOSIS，PRODUCINGQUADRIFLAGELLATEZOOSPORESANDEACHSETTLEDZOOSLOREGROWSINTOAGAMETOPBYTETHE珥，0RNI‘ISOFENTEROMORPHAHASTWOAPPROACHESONEISTHEGAMETEDIFFUSEDFROMGAMETANGIAOFGAMETOPHYTESSUCCEEDSINDEVELOPINGINTONEWTHALLUSTHEOTHERISTHETILLDIFFUSEDGAMETEDEVELOPINTLE、VT11ALH略DIRECTLYLIFETLISTOIYTYPICALLYANULTEINAFIONOFISOMORPLIC，UNISEXUALHAPLOIDGAMETOPHYTESANDDIPLOIDSPOMPHYTESSOMEPOPULATIONSOFENTEROMORPHALIMAREPRODUCINGSTRICTLYASEXUALLYBYM最LNSOFEITHERBIFLAGEUATEDNEUTRALSWAMIERSORQUADRIFLAGELLAXEDSWARMERSEACHSPECIESPRODUCESALL唧班UNISEDATEFILAMENTCLERNLINGSLATERBL∞OMEPLURISERIATEBYREPEATEDONGI刪CELLDIVISIONSPERPENDICULARTOTHE飄肛Ⅱ

簡(jiǎn)介：ABSTRACTABSTRACTINMISSTLLDY，WOODDESTROY如NGICD，2F印向DMP“，P口玎口WASUSEDTOTSCOTSPINEHEARTWOODSFROMT、VOTRIALSOFPROGENYTESTTHEAIMWASTOSELECTTHEDECAYRESISTANTANDSUSCEPTIBLEPOPULATIONAILDF撇ILYFORMESPECIESONT11EBASISOFTHIS，THERELATIONSHIPBETWEENCONCENTRATIONSOFSTILBENESINTHES鋤PLESANDTHEHEARTWOODRESISTANTABILIT，WASSTUDIEDACCORDINGLYT11ECONCENTRATIONSOFSTILBENESCALLBEUSEDTOSELECTTHEDECAYRESISTANTWOODSTLLJCTUREWOODANDTHEDECAYSUSCEPTIBLEWOODPULPWOOD1THERESULTSHOWEDTHATTHEDENSITYLOSSESOFTHES鋤PLES行OMTHETWOTRIALSWEREDI虢RENTALONG謝THTHEDI行ERENTROTTIMEOFTHEHEANW00DFUNHENILORE，THEDI虢RENCESBETWEEN‰ILIESANDINDIVIDUALSWEREALSOSIGNIFICANTINTHEWOODDENSITYLOSSESNISRESULTCOULDPROVIDEUSE如LINFLOMATIONFORSELECTIONOFDECAYRESISTANTA11DSUSCEPTIBLECOLONIES210DECAYRESISTANTTREESAND10SUSCEPTIBLETREESWERERESPECTIVELYSELECTEDTODOTHECHEMICALA11ALYSISTHEMEANDENSITYLOSSOFTHESELECTEDDECAYRESISTANTPOPULATIONWAS69MG／CM3TRIAL1AND5MG／CM3TRIAL2，AND也ATOFMESELECTEDDECAYSUSCEPTIBLEPOPULATIONWAS231MG／CM3TRIAL1AND169M∥CM3TRIAL23BYMEANOFFOLINCIOCALTEUTECLULOQUE，USINGACETONEASS協(xié)DARD，TOTALPHENOLCONTENTINTHES鋤PLES、ⅣASMEASUREDTHERESULTSHOWEDTHATTHEDI虢RENCEBETWEENTHEDECAYRESIST觚TA11DSUSCEPTIBLEPOPULATIONW2LSSTATISTICALLYSIGNIFICALLTINBOTLLTRIALS4INTHECHEMICALAILALYSIS，THREEBNDSOFSTILBENES、ⅣEREFOUNDINTHESAMPLESBYUSINGGLCMSHP6890THEYWEREPINOSYLVINPS，PINOSYLVINMONOMETHYLETLLERPSMANDPINOSYLVINDIMETLLYLETLLERPSDPSDWASONLYFOUNDINPANOFMESAMPLESWHEREWASLOWINCONCENTRATIONTLLEMEAJLCONCENTRATIONOFTOTALSTILBENESINDECAYRESISTANTPOPULATIONWAS743M∥GTRIAL1AND51OMG／GTRIAL2；ANDMATINDECAYSUSCEPTIBLEPOPULATIONWAS630M∥GTRIAL1AND477MG儋TRIAL2THEVARIATIONOFTOTALSTILBENESCONTENTBETWEENTWOPOPULATIONSWASALSOSIGNMCANTTHERESULTSIMPLIEDTHATSTILBENESCONCENTRATIONINTHES鋤PLESMI曲T斫RECTTOT11EWOODDECAYTOLERAJLCE，BUTITWASNOTTHEONLYREASONTOEXPLAIN也EVARIATIONINWOODDECAYAMONGT11ES鋤PLESFUNHENLLORE，AHIGHCONCENTRATIONOFPHEN01ICSWASCORMECTEDTO也ELOWHY伊OSCOPICI夠OFTHEWOODKEYWORDSSCOTSPINE，BRO、VNROTMNGUS，DECAYRESISTANCE，PHENOLICS

簡(jiǎn)介：分類號(hào)S59密敏單位代碼10389學(xué)號(hào)S1030805福建農(nóng)林大學(xué)碩士學(xué)位論文氟苯尼考在歐洲鰻鱺體內(nèi)的藥物代謝動(dòng)力學(xué)研究學(xué)科門類農(nóng)學(xué)一級(jí)學(xué)科獸醫(yī)學(xué)二級(jí)學(xué)科臨床獸醫(yī)學(xué)研究方向動(dòng)物疾病防治研究生陳星星指導(dǎo)教師王壽昆教授樊海平研究員論文完成時(shí)間二00六年四月福建農(nóng)林大學(xué)碩上論文氟苯尼考在歐洲鰻鱺體內(nèi)的藥物代輯F動(dòng)山學(xué)1“鉦CMAX為2103712“GM】～，CI／F為0330051，H～，IJC。一為306465288MGL1H1。注射給藥血液中主要的藥物代謝動(dòng)力學(xué)參數(shù)如下KA為014005H一，T。。為583240H，TMAX為356249H，CMAX為4652245LUGML，CL／F為0，10003L一，AUC∽。為8753920818MG∥H一。結(jié)果表明，口服氟苯尼考后，鰻鱺吸收迅速、分布廣泛、抗菌活性好、體內(nèi)的半衰期較長(zhǎng)，殘留小，臨床上可推廣使用。根據(jù)消除規(guī)律的分析，I臨床給藥初次劑量40MGKG～，維持劑量20MGKG一，每同一次。通過(guò)休藥期軟件WTI4計(jì)算，休藥期應(yīng)不少于6D。關(guān)鍵詞氟苯尼考?xì)W洲鰻鱺藥物代謝動(dòng)力學(xué)2

簡(jiǎn)介：V903698分類號(hào)6623授予學(xué)位單位代碼10434編號(hào)Z2002122山柬蓑爹大學(xué)碩士專業(yè)學(xué)位論文歐洲李生物學(xué)特性及栽培技術(shù)研究STUDIEDOFBIOLOGICALCHARACTERISTICANDCULTIVATINGTECHNOLOGYFOREUROPEANPLUM姓名專業(yè)類別研究方向?qū)W院拳闖農(nóng)業(yè)推廣果樹(shù)學(xué)園藝科學(xué)與工程學(xué)院指導(dǎo)教師彭福田副教授劉世琦教授201005年12月10日Y30360B關(guān)于學(xué)位論文原創(chuàng)性和使用授權(quán)的聲明本人所呈交的學(xué)位論文，是在導(dǎo)師指導(dǎo)下，獨(dú)立進(jìn)行科學(xué)研究所取得的成果。對(duì)在論文研究期間給予指導(dǎo)、幫助和做出重要貢獻(xiàn)的個(gè)人或集體，均在文中明確說(shuō)明。本聲明的法律責(zé)任由本人承擔(dān)。本人完全了解山東農(nóng)業(yè)大學(xué)有關(guān)保留和使用學(xué)位論文的規(guī)定，同意學(xué)校保留和按要求向國(guó)家有關(guān)部門或機(jī)構(gòu)送交論文紙質(zhì)本和電子版，允許論文被查閱和借閱。本人授權(quán)山東農(nóng)業(yè)大學(xué)可以將本學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫(kù)進(jìn)行檢索，可以采用影印、縮印或其他復(fù)制手段保存論文和匯編本學(xué)位論文。保密論文在解密后應(yīng)遵守此規(guī)定。論文作者簽名導(dǎo)師簽名垃日期蘭三生

簡(jiǎn)介：中國(guó)和歐洲小麥品種資源WX基因的遺傳多樣性研究摘要WAXY蛋白也稱顆粒結(jié)合淀粉合成酶GBSS，基因位點(diǎn)命名為WX，其表達(dá)與否直接制約著直鏈淀粉的合成小麥品種的直鏈淀粉含量與WAXY蛋白含量高度正相關(guān)，尤其是WXBL亞基缺失類型小麥品種具有較低直鏈淀粉含量，較高的支鏈淀粉含量對(duì)面條品質(zhì)有很強(qiáng)的正向效應(yīng)。因此，小麥膿基因的研究對(duì)淀粉性狀及面條品質(zhì)改良具有重要意義。本研究用2對(duì)STS標(biāo)記、1對(duì)SSR標(biāo)記和1對(duì)基因特異分子標(biāo)記，對(duì)1739份中國(guó)小麥地方品種WX基因的3個(gè)位點(diǎn)進(jìn)行了鑒定，共篩選出31份突變體。其中，WXAI突變體3份，WXBL突變體25份，更重要的是發(fā)現(xiàn)了3份地方品種WXDI突變體并用SDSPAGE方法對(duì)部分材料的WX基因表達(dá)進(jìn)行了功能驗(yàn)證。另外，利用相同分子標(biāo)記對(duì)來(lái)自歐洲18個(gè)國(guó)家共384份材料進(jìn)行了WX基因突變類型檢測(cè)，僅檢測(cè)到WXBI種突變類型共19份，未發(fā)現(xiàn)WXALWXD1突變體。并對(duì)中國(guó)和歐洲材料突變類型及頻率進(jìn)行了比較分析。整體看，我國(guó)地方品種較歐洲材料具有更豐富的WX基因突變類型。選用綜合性狀較好的WX基因突變材料，如紅芒麥、竹稈青、和尚頭、灰三糙等配制了10個(gè)雜交組合，在幾代檢測(cè)出4株WXAL和WXB1的雙隱性純合體，并與鄭麥9023、鄭麥9405進(jìn)行了雜交。因WXD1位點(diǎn)的基因特異標(biāo)記是顯性標(biāo)記，不能有效檢測(cè)純合性，只檢測(cè)到4株WXAL純合WXDL可能雜合的植株，3株WXBI純合WXD1可能雜合的植株，這些材料自交后便可獲得雙隱性純合體。關(guān)鍵詞小麥WXAL服B1WXDI分子標(biāo)記圖表目錄圖11直鏈淀粉結(jié)構(gòu)””““，””””，““””“””““““““““’“，，二”1圖12支鏈淀粉結(jié)構(gòu)二”””“”””””’”二”””二，”，”“”，一””一”1圖1一普通淀粉比例組成二，’，“，’”””“，”“二，’””””“”“”一”2圖14淀粉粒的形成二。”’””””’”””“”’””二”2圖1一六倍體小麥WX易發(fā)生突變區(qū)段示意圖二””””，““”““”“““”““””’““一N圖31WXAL位點(diǎn)STS標(biāo)記的鑒定，，，，，，“。，，23圖32WXBL基因STS標(biāo)記的檢測(cè)24圖33WXBI基因STS標(biāo)記的檢測(cè)““““““”“””’“““““““”一”25圖34部分突變材料的蛋白檢測(cè)“““““””“””””二”28圖35突變材料的BAFBAR引物對(duì)檢測(cè)二，””“””“’““”“，二“29圖36突變材料的VTLFVTR引物對(duì)，”“““二””””””二“““““”””一”“一”””””二“30圖41中國(guó)和歐洲小麥品種WX基因突變比較35圖5一和尚頭與紅芒麥的F2群體的PCR分析AWXAL位點(diǎn)，BWXBI位點(diǎn)37表11六倍體小麥3個(gè)WX基因之間同源性、相似性和非同義轉(zhuǎn)換同義轉(zhuǎn)換，10表12糯質(zhì)小麥類型及其直鏈淀粉含量16表21SDSPAGE凝膠配方“““二“’“。’““一””““”二“22表31不同麥區(qū)WXAIWXBL和WXD1基因突變類型二“””””，““““”“，””““絲表32WX基因突變材料詳細(xì)清單。””””“，”“””””“”””””““，”““”””””“絲表41新引進(jìn)材料在歐洲的分布““”“““”““”“二，”““””“”，一”32表42不同國(guó)家小麥品種的WXALWXBI和WXDI突變類型33表43歐洲WX基因突變材料名單””“，””””?！耙弧币弧?4表51雜交所用突變材料名單3BIV

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簡(jiǎn)介：中山大學(xué)博士學(xué)位論文斜帶石斑魚(yú)早期生活史及種苗繁育技術(shù)研究姓名張海發(fā)申請(qǐng)學(xué)位級(jí)別博士專業(yè)海洋生物學(xué)指導(dǎo)教師林浩然20050609卵所含的蛋白和脂肪量自然就高于秋季產(chǎn)的卵。在育苗實(shí)踐中，要充分利用春季產(chǎn)卵質(zhì)量好的優(yōu)勢(shì)，大批量開(kāi)展育苗生產(chǎn)。詳細(xì)描述從受精卵到初孵仔魚(yú)的28個(gè)具體發(fā)育時(shí)期的形態(tài)特征和發(fā)育時(shí)間，將斜帶石斑魚(yú)胚胎發(fā)育劃分為卵裂期、囊胚期、原腸胚期、神經(jīng)胚期和器官形成期。在水溫2505℃、鹽度310、28H30MIN完成整個(gè)胚胎發(fā)育孵化出膜。PH78的海水中，斜帶石斑魚(yú)胚胎歷時(shí)胚后發(fā)育主要根據(jù)卵黃囊、腹鰭棘及第二背鰭棘、鱗片、體色的變化分為仔魚(yú)期、稚魚(yú)期、幼魚(yú)期。仔魚(yú)期根據(jù)卵黃囊的有無(wú)又分為早期仔魚(yú)和晚期仔魚(yú)。在水溫245292℃，海水鹽度288335，PH7585的海水中，培育至36D，發(fā)育最快的斜帶石斑魚(yú)結(jié)束仔魚(yú)期進(jìn)入稚魚(yú)期；培育至42D，發(fā)育最快的稚魚(yú)完成變態(tài)，成為幼魚(yú)。斜帶石斑魚(yú)胚后發(fā)育過(guò)程中最明顯的變化是腹鰭棘與第二背鰭棘以及鰭棘上小刺的長(zhǎng)出與收回。在培育水溫2505。C、鹽度3L一32條件下，斜帶石斑魚(yú)仔魚(yú)孵化后第3D開(kāi)口并進(jìn)入攝食期，孵化后55D，不能建立外源性營(yíng)養(yǎng)的仔魚(yú)分別進(jìn)入不可逆點(diǎn)PNR期，幾乎與此同時(shí)，卵黃囊和油球耗盡，仔魚(yú)混合營(yíng)養(yǎng)期為2～3D，從初次攝食到進(jìn)入PNR期的時(shí)間為25D仔魚(yú)在不同饑餓階段初次攝食發(fā)生率的變化式型是開(kāi)始較低，此后逐步上升，高峰期出現(xiàn)在卵黃囊接近耗盡時(shí)，此后迅速下降記錄到的最高初次攝食發(fā)生率為767％；饑餓仔魚(yú)的死亡高峰出現(xiàn)在孵化后46D，至第8D，饑餓仔魚(yú)全部死亡卵黃囊期仔魚(yú)的生長(zhǎng)可以分為3個(gè)期相初孵時(shí)的快速生長(zhǎng)期，卵黃囊消失前后的慢速生長(zhǎng)期，以及在不能建立外源性攝食后的負(fù)生長(zhǎng)期。在仔魚(yú)培育階段每天定時(shí)對(duì)仔魚(yú)的攝食作跟蹤調(diào)查，以了解仔魚(yú)對(duì)輪蟲(chóng)、豐年蟲(chóng)、蒙古裸腹涵的攝食強(qiáng)度和攝食發(fā)生率的變化。結(jié)果表明，輪蟲(chóng)和蒙古裸腹潘是斜帶石斑魚(yú)仔魚(yú)培育階段非常重要的餌料種類，前者在仔魚(yú)培育前中期占有極其重要的作用，后者在仔魚(yú)培育中后期占有極其重要的作用；豐年蟲(chóng)由于存在營(yíng)養(yǎng)缺陷而屬于仔魚(yú)培育階段一種爭(zhēng)議較大的餌料，只能輔助使用育苗實(shí)踐中，在H18之前保證輪蟲(chóng)的充足供應(yīng)以及在H1927期間維持輪蟲(chóng)的適量供應(yīng)是必須的，否則很可能導(dǎo)致育苗的失敗在H1518期間保證蒙古裸腹潘的適量供應(yīng)以及在H1926期間維持蒙古裸腹潘的充足供應(yīng)是非常重要的，或者有其它大型枝角類、橈足類取代蒙古裸腹潘也是可以的。II

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簡(jiǎn)介：Y81687F害踢震案大垮碩士學(xué)位論文幾個(gè)歐洲生態(tài)型杏物質(zhì)代謝與花芽分化相關(guān)性的研究研究生指導(dǎo)教師專業(yè)名稱研究方向所在學(xué)院邱學(xué)思劉國(guó)成研究員果樹(shù)學(xué)果樹(shù)栽培生理園藝學(xué)院2006年4月沈陽(yáng)農(nóng)業(yè)大學(xué)砸士學(xué)位論史摘要杏樹(shù)作為重要的核果類果樹(shù)之一，栽培上普遍存在花器官發(fā)育不良的現(xiàn)象，從而成為制約杏樹(shù)豐產(chǎn)的主要原因。本研究以黃金杏、凱特杏、金太陽(yáng)杏三個(gè)歐洲生態(tài)型杏為試材，從花芽分化的發(fā)育生理學(xué)入手，分別從解剖學(xué)，營(yíng)養(yǎng)生理學(xué)，激素生理學(xué)角度，對(duì)花器官分化、孕育過(guò)程進(jìn)行了較為系統(tǒng)的研究，試圖探明杏花芽分化過(guò)程及其相應(yīng)的響應(yīng)規(guī)律。試驗(yàn)結(jié)果摘要如下1三個(gè)歐洲杏品種花芽分化過(guò)程中無(wú)雄蕊敗育現(xiàn)象，整個(gè)發(fā)育過(guò)程良好。2三個(gè)歐洲杏品種均存在雌蕊敗育現(xiàn)象，從雌蕊原基形成一直到八核胚囊分化完成，形成成熟雌配子體，這其中的每一個(gè)步驟都可能出現(xiàn)雌蕊敗育的不良情況。3杏花芽分化的生理分化期，葉片同化生成的碳水化合物集中供給花芽。無(wú)論在葉片還是在短果枝中可溶性糖含量都偏低，葉片中淀粉含量較高，枝條中較低，此時(shí)的淀粉酶活性不強(qiáng)，表明在葉片中光合同化生成的產(chǎn)物從葉片輸出，直接供給花芽分化使用，為其提供合成氨基酸、蛋白質(zhì)等必需物質(zhì)的碳架元素，而少量從枝條輸出4杏形態(tài)分化過(guò)程中，各分化時(shí)期所需養(yǎng)分含量存在差異。雄蕊原基分化期，可溶性糖和淀粉含量較高；雌蕊原基分化期，碳水化合物以淀粉為主。5全氮含量與杏花芽分化相關(guān)性不顯著。花芽分化期葉片全N平均含量黃金杏金太陽(yáng)杏凱特杏。6杏花芽生理分化期向形態(tài)分化期的轉(zhuǎn)變時(shí)期分化臨界期，氨基酸需求量雖大。此時(shí)期需求量比其它時(shí)期高很多，結(jié)合可溶性糖在此時(shí)期含量處于中上等水平，推斷出花芽形態(tài)的建成需要大量的氨基酸以合成相應(yīng)的蛋白質(zhì)，并且其需要量高于生理分化期。7花芽孕育即生理分化過(guò)程款間，C烈比值出現(xiàn)一個(gè)小高峰，在雄蕊原基分化期，再次出現(xiàn)峰值，說(shuō)明了該比值對(duì)花芽分化，特別是雄蕊原基分化有重要影響。8葉片與枝條中P、K含量動(dòng)態(tài)變化呈現(xiàn)相反的趨勢(shì)，枝條中磷含量呈現(xiàn)“低高一低”的變化動(dòng)態(tài)，與葉片中“高一低高”的趨勢(shì)相反，可能表明枝條作為重要的貯藏和運(yùn)輸通道，葉片和根系中合成或吸收的碳水化合物及礦質(zhì)元素在枝條中起到一種緩沖作用，在兩個(gè)“源”輸出不足時(shí)，枝條能夠起到暫時(shí)的補(bǔ)給功能。9生理分化期，內(nèi)源激素需要高水平的IAA、DHZR／IAA比。形態(tài)分化期ABA含量維持低水平。IAA含量升高對(duì)杏花芽雄性器官分化有利。IAA／ABA比控制在O284左右有利于黃金杏花芽誘導(dǎo)，而在杏花雄蕊原基分化過(guò)程中需要較

簡(jiǎn)介：中國(guó)野生葡萄新基因轉(zhuǎn)化歐洲葡萄品種的研究西北農(nóng)林科技大學(xué)，陜西楊凌，712100碩士研究生孫偉生指導(dǎo)教師王躍進(jìn)教授博士合作指導(dǎo)教師張劍俠副教授摘要無(wú)核葡萄是當(dāng)今世界葡萄消費(fèi)和育種的重要方向之一，但生產(chǎn)上主要栽培的歐洲葡萄無(wú)核品種抗病性差，中國(guó)野生葡萄是抗葡萄真菌病害的重要基因資源。通過(guò)向歐洲葡萄無(wú)核品種轉(zhuǎn)移抗病基因是培育抗病無(wú)核品種的有效途徑。利用課題組通過(guò)MRNA差顯技術(shù)從中國(guó)野生葡萄高抗白粉病的華東葡萄白河一35一1中克隆的與抗白粉病相關(guān)的基因乙二醛氧化酶新基因CDNA全長(zhǎng)序列，通過(guò)構(gòu)建表達(dá)載體PWR306一GLOXRG，采用農(nóng)桿菌介導(dǎo)法對(duì)歐洲無(wú)核葡萄品種無(wú)核白、底來(lái)特和愛(ài)莫無(wú)核及煙草，進(jìn)行了轉(zhuǎn)基因研究。取得的主要結(jié)果1無(wú)核葡萄試管苗的建立對(duì)經(jīng)4℃低溫沙藏的葡萄硬枝，冬季以10的石灰氮涂芽處理，促進(jìn)萌芽，用新梢建立葡萄無(wú)菌系。對(duì)葡萄新梢剪取單芽莖斷進(jìn)行擴(kuò)繁適宜的繼代培養(yǎng)基為NN6901M叭IBA，生根培養(yǎng)基為12MS0LM叭NAA。2葡萄器官再生途徑的建立以無(wú)核葡萄葉片、葉柄及莖斷為外植體，進(jìn)行再生研究。篩選獲得的適宜培養(yǎng)基分別是，葉片再生MS2OMGLTDZ0LMGLNAASOOMGLCHSGLPVP葉柄和莖斷再生NN694OMGLTDZ0LMGLNAASOOMGLCHSGLPVP。3葡萄胚狀體途徑方式的再生以愛(ài)莫無(wú)核自交的胚珠為試材，剝胚進(jìn)行胚狀體誘導(dǎo)。幼胚在培養(yǎng)基WP固0225M妙6一BA十60留L蔗糖2留L活性炭5OM留L水解酪蛋白上胚性愈傷和胚狀體的誘導(dǎo)率為75在培養(yǎng)基WP固LOMGLTOZ60歲L蔗糖ZGL活性炭SOOMGL水解酪蛋白上胚性愈傷和胚狀體增殖良好。4中國(guó)野生葡萄屬乙二醛氧化酶植物表達(dá)載體的構(gòu)建雙酶切重組質(zhì)粒PGEM一TGLOX飛與中間表達(dá)載體PWR306，將GLOXRG基因片段與線性表達(dá)載體PWR306進(jìn)行定向連接，構(gòu)建了茂合成酶基因的植物表達(dá)載體。通過(guò)酶切、電泳鑒定，證明GLOXRG基因己成功構(gòu)建到植物表達(dá)質(zhì)粒PWR306中，將此克隆命名為GENETICTRANSFMATIONOFTHCNOVELGENE1NVOLVEDINGLOXALOXIDASEEFROMTHECHINESCWILD片公夕““而理吮“紐TAINTOEUROPCANGRAPCVARITY扭。曲WESTAFUN城招ITY，YAUGLING，SHAA盯1，71210，CHINAPOSTGRADUATESUN、甲七如BENGSUPERVISORPROFW幽NGYUEJINCOSUPE口ISORVICEPROFZHANGJIAUXIAABSTRACTSEEDLESSGRAPEISONEOFIMPO比知TDIRECTIONOFCONSUMPTIONANDBREEDINGHOWEVER，THEMOSTDOMINATINGCDTIVARSARE矛公力VIH毋RAANDSENSITIVETODISEA巧ETHECHINESE誡LD子份T臺(tái)AREIMPORTANTGENERESOURCESWHICHAREHIGHLYRESISTANTTOFUNGALDISEASEOFGRAPESITISANE月乞CTIVEAPROACHTOBREEDTHERESISTANCECULTIVARSOFSEED1ESSGRAPEBY之“的SFE幣NGRESISTANTGENEINIOTHECULTIVARSOF巧TISV動(dòng)訴RATHEFUILLENGTHSEQUENCEOFNOVELGLYOXALOXIDASERELATEDGENEGLOXIGFROMTHECHINESEWILD玲ISPSE“DETICUIQTABAIHE一35一LWASCLONEDBYMRNARACEINOURRESEARCHTEAMHI面SSTUDY，WECONSTRUCTEDTHEPLANTEXPRESSIONVECTOROFGLOXRG，明DTHENWEINTRODUCEDTHEAIMGENEINTOTHESEED1ESSCUITIVARSOF不公15VIH滬RATHOMPSONSEEDLESS，DELIGHTSEEDLESSANDOMLOSEEDLESSANDTHEMODELPLANTTOBACCOTLLERESULTS認(rèn)℃REASFOLOW1OB面NEDTHEGERMFREETUBLESEDINGOFTHESEEDLESSGRAPETHEGRAPEVINEDORMANCYBRANCHESWEREBURYINGINTHE從℃TSANDUNDERLOWTEMPERATURE，4℃THENTHEBUDSWERESMEAREDWITHTHELO?LCIUMCYANAMIDE，INSERTEDANDGERMINATEDTHESTERILES”之EMWASSET叩雨THTHEGEN刀INATINGSHOOTSTHECOLO叮WASPROLIFERATEDWITHSIMPLEBUDAFTERTHEFIRSTCULTURETHEFITINGSUBCULTUREMEDIUMWASNN690LMGLLIBAANDTHE方TINGROTINGMEDIUMWASL2MS0LMG幾NAA2THEREGENERATIONSYSTEMOFOTGANSWERESETUPTHEGRAPE，SLEAVES，PETIOLESANDS把M認(rèn)℃RET介口SFEREDTHEDIFEREN之REGENERATIONCULTURE即DRESEARCHEDTHEREGENERATIONTHESELECTEDRESULTSINDICATEDTHATTHEFITINGREGENERATIONMEDIUMOFLEAFWASMS2OM妙TDZ0LMGLNAASOOMGLCH5叭PVPANDTNEFITINGREGENERATIONMEDIUMOFPETIOLEANDSTEMWASNN6二4OMGLTOZ0LMGLNAA500M留LCH59幾PVP3REGENERATIONOFTHEEMB仃OID

簡(jiǎn)介：東北林業(yè)大學(xué)碩士學(xué)位論文轉(zhuǎn)基因歐洲白樺降解及目的基因水平轉(zhuǎn)移生態(tài)風(fēng)險(xiǎn)研究姓名劉欣欣申請(qǐng)學(xué)位級(jí)別碩士專業(yè)遺傳學(xué)指導(dǎo)教師王秋玉TUIJAARONEN20060601東北林業(yè)大學(xué)碩士學(xué)位論文ABSTRACTINTHISSTUDY，THELEAVESOFTRANSGENICSILVCRBIRCHAREUSEDASTHEMATERIALS，WHATISUSEDTOANALYZEMEEF絕CTOFDECOMPOSITIONBYCHANGINGTHELIGNINCOMPONENTOFTRANSGENICPLANTS，ANDTHEPOSSIBILITYOFTRALLSGENEHORIZONTALTRALLSFELTHEAIMISTOACCESSTHEECOLO衛(wèi)ICALRISKOFTRANSGENICMATERIAL’SUTILIZATIONANDTOPROVIDEUSE如LINFBMLATIONTOBOTLLOFTHEPRODUCTIONAILD}APPLICATIONOFTRANSGENICBIRCHINTHEFUTURC．THETRANSGENICBIRCHCLONESINFOURYEARSOLDWITHTWOGENOTYPES35S．PTCOMTANDUBBLPTCOMTARESELECTED，THELEAVESARECOLLECTEDFORDECOMPOSITIONINTWOSOILTYPES，ONEISFORCSTSO“丘OMBIRCHPLAJLTATION，THEOTHERISFHRNLFIELDSOIL．THEMASSLOSSISCALCULATEDBVMEASUFINGTHEWEIGHTSOFLEAVESBEFOREANDARERDECOMPOSITION．THERESULTSSHOWT“若ITHECHAILGEOF1IGNINCOMPONENTHASAFRECTEDONDECOMPOSITIONOFTHEMATERIALS．ONECLONEN舯EDNO．23，WHOSES／GREDUCESBY69％TO72％，HASHIGHERMASS10SSBY7_2％A11D1．8％INFA唧SOILANDFORCSTSOILRESPECTIVELY。AJSO，T量LEHO“ZONTAITRANSFERPOSSIBILITYOFTARGETGENEFROMTR趾SGENICBIRCHISDISCUSSEDINTHISSTUDYTHE鋤PICIHINANDKANAMYCINRESISTANCEOFTHESOILMICROBESWHOTOUCHANDDONOTTOUCH仃ANSGENICMATERIALSISTESTED，THERESULTSSHOWSTHATBOTHANTIBIOTICRESISTANCEAREINCREASED，INWHICHANLPICILIINRESISTAILCEINCREASES1．42％，W恤LEKALLAMYCINRESISTANCEINCREASESO．7％INTHEFA肌SOIL，A11D鋤PICILLINRESISTATLCEINCREASES5．64％，WHILEKAILAMYCINRCSISTAJLCEINCREASES7．55％JNTHEFORES￡SOJL．INTHISCASE，J￡P(guān)ROBAB】YHASSOMESKSDF仃ANSGENEHORIZONTALTRANSFERTOSOILMICROBES．GENERALLYSPEAKING，THCCHAJLGESOFANTIBIOTICRCSISTARLCEINSOILMICMBESAREAFRECTEDBYMANYFACTORS，SOITISSTILLDIMCULTTOPROVEWHETHERORNOTTHETARGETGENEOFTHEMATERIALSISCLEARLYTRANSFERREDINTOSOILMICROBESATPRESENT．ACCORDINGTOTHISSTUDY，THETRANSGENICSILVERBIRCHTHATTHELIGNINCOMPONENTHASBEENCHANGEDDOESPOSSIBLYA腩CTTHEDECOMPOSITIONOFTHEMAFERIALS．SINCETHEEXPRESSIONLEVEIOFTHETA唱ETGENEANDITSTMNSFERARECOMMLLEDBYMANYFACTORS，THEFHRTHERSTUDYONMEECOLOGICALRJSKOFTRANSGENICCOMTBIRCHWILLBESTILLNEEDED．1EYWORDSSILVERBIRCH，TRANSGENE，DECOMPOSITION，ECOLOGICALRISK