簡(jiǎn)介：湖南農(nóng)業(yè)大學(xué)碩士學(xué)位論文紫色土荒坡地種植龍須草防治水土流失效應(yīng)及其機(jī)理研究姓名段文軍申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)生態(tài)學(xué)指導(dǎo)教師鄒冬生200361EFFECTOFSABAIGRASSCULTIVATIONONWATERANDSOILCONSERVATIONANDIT’SMECHANISMINPURPLESOILABSTRACTTHEWATERANDSOILEROSIONISTHEMOSTSERIOUSPROBLEMOFPURPLESOILAREAINORDERTOSOLVETHISPROBLEM，WEFINDAKINDOFHERBAGESPLALLT_一SABAIGRASSEULALIOPSISBINATAWHICHNOTONLYCARLACCOMMODATETHEBADLYENVIRONMENTOFPURPLESOILBUTALSOHAVEEXCELLENTWATERANDSOLLCONSERVATIONEFFECTANDGOODECONOMICBENEFITTHISSTUDYADOPTQUANTITATIVEANDQUALITATIVEMETHODS，THROUGHCOMPARATIVESTUDYOFFOURDIFFERENTUTILIZATIONTYPESSABAIGRASSTREATMENT，GRASSTREESOLIDPLATINGTREATMENTPLANTINGSABALGRASSUNDERFRUITTREESTREATMENT，BARELANDTREATMENT，NATURALWILDGRASSLANDTREATMENT，STUDYWATERANDSOILCONSERVATIONEFFECT，SOILWATERCONDITION，SOILCONSTRUCTORSCONDITION，SOILFERTILITYCONDITIONANDSOILSURFACETEMPERATURE，THENEVALUATEDTHEWATERANDSOILCONSERVATIONEFFECTOFPLATINGSABAIGRASSINPURPLESOILBARESLOPINGFIELDANDPROBEDINTOWATERANDSOILCONSERVATIONMECHANISMTHEMAINRESULTSAREASFOLLOWS1THEWATERANDSOILCONSERVATIONEFFECTOFPLATINGSABAIGRASSINPURPLESOILBARESLOPINGFIELDISEXCELLENTFOURRUNOFFFIELDSWERESETINTHISSTUDYTHESTANDARDOFTHEFIELDSIS20M5MANDTHESLOPEIS10DEGREETHESOILEROSIONANDRUNOFFOFEACHTREATMENTWASOBSERVEDINEACHRAINFALLTHERESULTSSHOWTHATTHEWATERANDSOILEROSIONOFSABAIGRASSTREATMENTANDGLASSTREESOLIDPLATINGTREATMENTWASMARKEDLYREDUCEDTHESOILFERTILITYEROSIONSOILSURFACERUNOIFSOILEROSIONWASREDUCEDTOOATTHESAMETIMETHECHANGERANGEOFSOILEROSIONINDIFFERENTPRECIPITATIONANDPRECIPITATIONINTENSITYWASWEAKENEDMOREOVERTHESOILEROSIONRESULTEDFROMSOILRUNOFFWASREDUCED2THESTRUCTUREOFPURPLESOILISMELIORATEDBYSABAIGRASSWHENCONTRASTTOBARELANDTREATMENTANDNATURALWILDGRASSLANDTREATMENTWEKNEWTHATSABAIGRASSTREATMENTANDGRASSTREESOLIDPLATINGTREATMENTREDUCEDSOILBULKDENSITYENHANCEDSOILCAPILLARYPOROSITYNONCAPILLARYPOROSITYANDPOROSITYRATIO，DECREASEDSOILSANDGRAINCONTENT，ENHANCEDSOILCLAYGRAINANDSILTGRAINCONTENTSOASTEDUCEDTHEDISPERSALDEGREE

簡(jiǎn)介：浙江大學(xué)碩士學(xué)位論文稻田雜草群落演替及其防治技術(shù)研究姓名何翠娟申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)農(nóng)業(yè)推廣指導(dǎo)教師周偉軍沈國(guó)輝20040501ABSTRACTAFIELDSURVEYOFWEEDSPECIES，COMMUNITYSTRUCTUREANDDAMAGELEVELWASCARRIEDOUTINPADDYRICEFIELDATRICEHEADINGSTAGEDURING19981999THEPARAMETERSSUCHASRELATIVEDENSITYRELATIVEUNIFORMITYRELATIVEFREQUENCYRELATIVEABUNDANCEANDDAMAGEINDEXWEREUSEDTOANALYZETHESURVEYDATACOMPAREDTOTHEDATASURVEYEDIN1980S80WEEDSPECIESBELONGINGTO27FAMILIES，THENUMBEROFWEEDSPECIESDECREASEDTO28SPECIESBELONGINGTO13FAMILIESAMONGTHEM，THERE“ERE5SPECIESINGRAMINEAE1786％AND8SPECIESINCYPERACEAE2857％THEREWERE15SPECIESOFBROADLEAVEDWEED5357％TWEHEWEEDSPECIESHADRELATIVELYLARGEEFFECTONTHERICEYIELDDOMINANTSPECIESCHANGEDALONGWITHTHEFREQUENTUSEOFRATHERLIMITEDHERBICIDES，INTHEORDEROFSAGITTARIAPYGMAEAMIG，MONOCHORIAVAGINALISBURROFPRESLEXKUNTH，LINDERNIAPROCUMBENSKROCKPHILCOX，ECHINOCHLOACRUSGALLILBEAUV，ECLIPTAPROSTRATAL，AMMANNIABACCLYE陽(yáng)L，ROTALAINDICAWILLDKOEHNE，CYPERUSDIFFORMISL，ALTERNANTHERAPHILOXEROIDESMANGRISEB，LEPTOCHLOACHINENSISLNEESTHESTMCTUREOFWEEDCOMMUNITIESCHANGEDFROM“GRAMINEAEWEEDS，CYPERACEAEWEEDSANDBROADLEAVEDWEEDS’’TO“BROADLEAVEDWEEDSCYPERACEAEWEEDSANDGRANAINEAEWEEDS”THECOMMUNITYOFANNUALLESSDAMAGEWEEDSWASGRADUALLYSUCCEEDEDTOTHATOFPERENNIALVIRULENTWEEDSTHROUGHTHEAPPLICATIONOFCHEMICALTREATMENTS，THEWEEDDAMAGEDEGREECOULDBEREDUCEDTO】ESSTHANLEVE】ONETHEPRESENTPAPERDISCUSSEDTHEFACTORSCAUSINGTHESUCCESSIONOFWEEDCOMMUNITIESSUCHASVIRULENTWEEDS，INCLUDINGNONRATIONALUSEOFHERBICIDES，CHANGEOFFARMINGSYSTEMANDCROPPINGSYSTEMTHECOMBINATIONOFAGRICULTURALANDMECHANICALCONTROLPRACTICESANDCHEMICALMERBICIDETREATMENTWASATTEMPTEDINTHISSTUDYBASEDONTHERESULTSOFLABORATORYANDFIELDEXPERIMENTS，THESUITABLECONCENTRATION，APPLICATIONTIMEANDNUMBERANDTHEIRCOMBINATIONOFHERBICIDESWEREPROPOSEDTHEINTEGRATEDCONTROLSYSTEMCOMBININGAGRICULTURAL，MECHANICALANDCHEMICALAPPROACHESCOULDALLEVIATETHESUCCESSIONOFWEEDCOMMUNITIESANDREDUCETHEDETERIORATIONOFECOLOGICALENVIRONMENTKEYWORDSPADDYFIELD；WEEDSURVEY；DOMINANTSPECIES；COMMUNITY；SUCCESSION；OPTIMIZINGSYSTEM；CONTROLPRACTICE

簡(jiǎn)介：沈陽(yáng)農(nóng)業(yè)大學(xué)碩士學(xué)位論文韭菜遲眼蕈蚊（BRADYSIAODIPHAGA）生物學(xué)和生態(tài)學(xué)特性及其利用昆蟲(chóng)病原線(xiàn)蟲(chóng)防治的研究姓名趙海燕申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)農(nóng)業(yè)昆蟲(chóng)與害蟲(chóng)防治指導(dǎo)教師叢斌200406011茂鬻采監(jiān)犬學(xué)鞭圭學(xué)位論文摘要韭菜遲眼蕈蚊BRADYSIAODORIPHAGA己發(fā)展成為韭菜的重要密蟲(chóng)，其幼蟲(chóng)俗稱(chēng)韭蛆，魁地下害蟲(chóng)，種群增長(zhǎng)迅遮，抗藥性強(qiáng)，單純的化學(xué)防治不能有效建控割其為害，遙韜囂簧掇強(qiáng)駿生物跨澹為主驗(yàn)緣含治理技術(shù)鹺究。20蹩紀(jì)90年代以來(lái)，國(guó)內(nèi)有關(guān)鼗蛆的研究集中在該蟲(chóng)發(fā)生規(guī)律、化學(xué)防治方法和窳內(nèi)飼養(yǎng)方法等方面，對(duì)萁生物學(xué)、生態(tài)學(xué)等缺乏系統(tǒng)研究。為此于2002年10月至2004年4舄TBJ遴行了以下幾個(gè)方面的研究。L。韭菜遲眼蕈姣在30℃、25℃、20℃、15℃秘LO℃的條幸掌下，由郛至成蟲(chóng)羽化的發(fā)育歷期分別為1433176、1500士O58、20OOO58、460044。73和69，OO306D，其存活率分別為49O％、73。1％、78，4％、78，6％和922％。不黼瀣凄下，熊菜逡蔽蕈姣緩蟲(chóng)壽命有鼴箸差異，在洪試瓣五個(gè)潺度下，雌媳壽命分別為167O33、167017、400000、433O33和767067D。雌蟲(chóng)羽化后24H即可產(chǎn)卵，平均每雌產(chǎn)卵量為143001595、1舒，46700、249302945、1430016，26霸125，67T613。壤據(jù)發(fā)彎歷期計(jì)算韭漿遲眼蕈蚊的卵、幼蟲(chóng)、蛹和全世代的發(fā)肖起點(diǎn)溫度分別為8204C、629。C、7，39。C和615℃；有效積溫常數(shù)分別為50，88、18369、4884和3147L強(qiáng)。疫。2剝腭生物學(xué)贅料，采用生命發(fā)分析的方法，描述了韭蘩逡眼蕈蚊實(shí)驗(yàn)種群在五個(gè)溫度下的種群動(dòng)態(tài)。熟種群趨勢(shì)指數(shù)以20。C下最高為14665，25℃次之為8273，15℃、10℃和30℃下分別為5618、3696和3645。以靜群趨勢(shì)強(qiáng)數(shù)作為衡量灄發(fā)對(duì)韭菜遲礅鼙蛟酶適宣度指標(biāo)，206C激遭宣，25。C和15℃次之，10。C和30℃較差。3在組建不同溫度下韭菜遲眼鼙蚊生命表的基礎(chǔ)E，用LESLIE轉(zhuǎn)移矩陣摸瓠了熬榮逐疆葷姣實(shí)驗(yàn)器囂不翮辯序靛數(shù)量動(dòng)態(tài)，按臺(tái)了纛裝遲疆葷蚊種群數(shù)量的指數(shù)增長(zhǎng)模型，分別為NT128340EO，㈨9T、NT70002E02929。、NT49620EO223趴、NT106867E00645I、NT96215EO0472T。

簡(jiǎn)介：東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文一種植物源殺菌劑的研制及其在番茄葉霉病防治中的應(yīng)用姓名李永剛申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)植物病理學(xué)指導(dǎo)教師文景芝200361東北農(nóng)業(yè)大學(xué)農(nóng)學(xué)碩士學(xué)位論文ABSTRACTENVIRONMENTALFRIENDLYBOTANICALFUNGICIDEWASWIDELYWELCOMEDINTHEWORLDDUETOITSHIGHEREFFICIENCYLOWERRESIDUEANDACCORDANCEWITHTHEENVIRONMENTINTHISPAPERINHIBITORYACTIVITIESOF31WATEREXTRACTSFROMCHINESETRADITIONALMEDICINEHADBEENMENSURATEDACCORDINGTOMYCELIUMGROWTHANIDEALEFFECTHADBEEN∽唧血喇FROMHAAEYSUEKLE，F(xiàn)RUCTESFORSYTHIAE，BULBUSAⅡIICHOLERLS1WASEXPLOITEDFROMWATEREXTRACTSOFSEVERALKINDSOFBOTANICALMIXTURESUCHASLIGHTYELLOWSOPHORAFRUOTUSXANNLII，MONNIER’SSNOWPARSLEYCTCLS1WASMADEUPONTHEBASEANDCAMEDOUTSTUDIESOFFUNGICIDALACTIVITYSCOPEOFINHIBITORYFUNGI，F(xiàn)ILTERINGADJUVANTPERIODOFPRESERVINGEFFICIENCYSTABILITYOFLSL，EFFECTOFCROPGROWTHCONTROLEFFECTOFTOMATOLEAFMEULDHADBEENSTUDIEDLS1HADL00％INHIBITORYRATESTOMYEEFINMGROWTHOFFUSARIUMGRAMINICO缸PHYTOPHTHORACAPSICI，PHYTOPHTHORASO／AEANDINHIBITORYRATESOF8624％9096％7504％AND9794％TOBOTRYTWASCINEMAALTERNARMALTERNATAFUSARIUMOXYSPORUMALTERNARIASOLANI；LSLCOULDINHIBITSPROIILGANDGENERATINGOFTHESPORESSPORANGINMSUCHASPHYTOPHTHORACAPSICI，F(xiàn)USARIUMGRAMINICOLAETCESPECIALLYLSLHADABETTEREFFECTONFUNGUSOFPHYTOPHTHORASOALLIDEALEFFCMTHADBEENACQUIREDFROMLS1INDOOR11∞INFLUENCEOFLS1ONCUCUMBERPEPPERANDTOMATOSEEDLINGSHADBEENTESTED11LEINJL珂TOTHEIRNORMALGROWTHUSINGLSLHADNOTHAPPENEDADJUVANTOFLS1HADBEENFILTEREDWHENTWEEN80WASUSEDTOCUENMBERPOWDERYMILDEWORIGINALLS1TOCUCUMBERANTHRAENOSE8209TO№ATPEWDERYMILDEWTHERESULTSSHOWEDTHATCONTROLEFFECTWASUPTO8409％9835％AND8759％CONTROLEFFECTOFLSLONTOMATOLEAFMOULDINTHEFIELDWASUPTO8829％、ITSEFFECTWASCLOSETOUSUALCHEMICALMEDICINEE伍CIENEYTOINHIBITCRYGROWTHOFFUNGOUSMYCELIUMSUCHASALTERNARMALTERNATAFUSARIUMOXYSPORUM，PHYTOPHTHORACAPSICI，PHYTOPHTHORASOJAEHADNOTCHANGEINDIFFERENTPERIEDDURINGLS1HADBEENPRESERVEDFORNINEMONTHSGRADUATELIYONGGANGMAJORPLANTPATHOLOGYSUP婦Ⅵ∞PROFWANJINGZLLIKEYWORDSBOTANICALFUNGITICIDE；TOMATOLEAFMOULD；FILTERINGADJUVANT；SCOPEOFRESTRAININGFUNGI；PERIODOFPRESERVINGEFFECTVI

簡(jiǎn)介：東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文用于防治大豆根腐病的木霉菌的篩選及其拮抗機(jī)理研究姓名邵紅濤申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)植物病理學(xué)指導(dǎo)教師許艷麗20040601ABSTRACT153ISOLATESOFTRICHODERMASPPISOLATEDFROMSOYBEANROTATIONPLOTSOFHAILUNECOLOGYRESEARCHOFCHINESEACADEMYOFSCINENCESWEREASSESSEDINVITROAND加VIVOTOSCREENFORBIOCONTROLAGENTSAGAINSTSOYBEANROOTROTTHREEISOLATESMM35，MM9，MM3WEREISOLATEDWITHRELATIVELYBETTERBIOCONTROLEFFICACY，THEREDUCTIONINROOTROTWERE2695％6634％，2152％～6370％，2278％～5105％，RESPECTIVELYTRICHODERMAMM35、MM9、MM3ALLCOULDPARASITETHEMYCELIUMOFPATHOGENICFUNGIRHIZOCTONIASOLANI，LIGHTMICROGRAPHICOBSERVATIONSHOWTHATNONEOFTRICHODERMAMM35、MM9、MM3HASTHECAPACITYTOPARASITETHEPROPAGULESOFPATHOGENICFUNGIFOXYSPORUMTHEDRIEDMYCELIUMOFPATHOGENICFUNGIFUSARIUMOXYSPORUMASSOLECARBONSOURCECANINDUCETRICHODERMAMM35TOPRODUCECHITINASEANDB1，3GLUCANASETHEPRODUCTONOFP一1，3GLUCANASEBYTRICHODERMAMM35ISINDUCEDPRIORTOTHATOFCHITINASEBOTHCHITINASEANDBL，3GLUCANASECANBEFOUNDINTHESOILINOCULATEDWITHTRICHODERMASPP，EOXYSPORUM，RSOTAN，RESPECTIVELYACTIVITYOFCHITINASEINTHESOILPRESENTOFPATHOGENICFUNGIFUSARIUMOXYSPORUMCANBESIGNIFICANTLYELEVATEDWHENTRICHODERMASPPWASINOCULATEDWHILETHEREWASNOSIGNIFICANTCHANGEIN131，3GLUCANASEACTIVITYACTIVITIESOFBL，3GLUCANASEANDCHITINASEINTHESOILPRESENTOFPATHOGENICFUNGIRSOLANIBOTHWERESIGNIFICANTLYELEVATEDWHENTRICHODERMASPPWASINOCULATEDFOXYSPORUMEXHIBITAHIGHERRATEOFUSINGGLUCOSECOMPAREDTOTRICHODERMASPP，THEONLYEXCEPTIONBEINGEOXYSPORUMCOMPAREDTOTRICHODERMAMM9，WHICHSHOWNOSIGNIFICANTDIFFERENCESTRICHODERMASPPUSEGLUCOSEWITHHIGHERRATETHANTHATOFPATHOGENICFUNGIRHIZOCTONIASOLANITHEONLYEXCEPTIONBEINGRHIZOETONIASOLANICOMPAREDTOTRICHODERMAMM35，WHICHSHOWNOSIGNIFICANTDIFFERENCESSOMETRICHODERMAEXHIBITAHIGHERRATEOFUSINGHP04‘。COMPAREDTOPATHOGENICFUNGIEOXYSPORUM，WHILETHEOTHERSSHOWNOSIGNIFICANTDIFFERENCESINTHERATEOFUSINGHP04’COMPAREDTOPATHOGENICFUNGUSEOXYSPORUM，RSOLANIFOXYSPORUMANDRSOLANIUSEFE”WITHHIGHERRATETHANTRICHODERMASPPTHETRENDWASREVERSEDFORTHEPAIRSIRRICHODERMAMM35一FOXYSPORUMORTRICHODERMAMM35一RSOLANITHEPOPULATIONCHANGEOFTHETREATMENTWITHPRESENCEOFTRICHODERMAWASCONSISTENTWITHTHECONTR01THETRENDOFPOPULATIONINCREASEDFIRST，THENDECREASEDWITHTIMETHEPOPULATIONNUMBERSOFPATHOGENICFUNGIFOXYSPORUMOFTHETREAMENTDECLINETODIFFERENTEXTENTSCOMPAREDTOTHOSEOFTHECONTR01THEPRESENCEOFTRICHODERMACANREDUCETHENUMBEROFPOPULATIONOFPATHOGENICFUNGIFOXYSPORUMALLTHETRICHODERMASTRAINSDIDNOTAFFECTTHEFLESHWEIGHTOFSOYBEANPLANTSONLYTRICHODERMAMM9CANINCREASETHEDRIEDWEIGHTOFSOYBEANPLANTS，WHILETHEOTHERSCANNOTAFFECTTHEDRIEDWEIGHTOFSOYBEANPATHOGENICFUNGIFOXYSPORUMCANREDUCEBOTHTHEFRESHANDDRIEDWEIGHTOFSOYBEANPLANTSTHEREWERENOSIGNIFICANTCHANGESINTHEACTIVITYOF13一I，3GLUCANASEANDPPODURINGPLANTFUNGUSINTERACTIONSPEROXIDASEACTIVITYOFTHEROOTSTREATEDBYTRICHODERMAPEAKEDAT72H，THENDECREASEDGRADUALLYWITHTIME，WHEREASPEROXIDASEV

簡(jiǎn)介：中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文蚯蚓糞中拮抗菌的發(fā)酵條件優(yōu)化及其在防治植物病害中的應(yīng)用姓名王東輝申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)生態(tài)學(xué)指導(dǎo)教師孫振鈞20040601ABSTRACTVERMICOMPOSTWASABIOLOGICALDEGRADATIONPRODUCTOFORGANICWASTESBYEARTHWORMSSOMEEXPERIMENTSSHOWEDTHATVERMICOMPOSTCOULDCONTROLSOMEPLANTDISEASESWHENITWASADDEDTBCULTIVATIONOFPLANTASFERTILIZERWHENBEINGADDEDINSOIL，THEYCOULDAFFECTTHEPOPULATIONOFSOMEMICROBE，TWOACTINOMYCESHADBEENDEDVEDFROMVERMICOMPOSTBYCONFRONTINGPATHOGENONCULTUREPLATESTHEYHADTHEABILITYOFANTAGONISTICEFFECTONSOMEPATHOGENS1INSINGLEFACTORANDPOTYFACTOREXPERIMENTS，SOMEMATERIALSHADBEENSELECTED，ANDTHEIRPROPORTIONWEREOPTIMIZED，SOTWOKINDOFCULTUREMEDIUMWEREGOTTEN，T000MLSTREPTOMYCESGLOBISPORUSCULTUREINCLUDEDSORBITOLLOGYEASTEXTRACTPOWDER59BEEFEXTRACT59，CAC0359，MGS0459，NACL059，F(xiàn)ES040019；1000MLSTREPTOMYCESSYRINGINICULTUREINCLUDEDGLUCOSE309，DISSOLUBLESTARCH309PEPTONE59，KN03049CAC0359，MGS04059，NACL059，F(xiàn)ES0400192CULTIVATINGCONDITIONSWEREOPTIMIZEDINSINGLEFACTOREXPERIMENTS，ANDTHENCONDITIONSTHATWEREMOREEFFICIENTWEREGOTTENSTREPTOMYCESGLOBISPORUSOPTIMUMTEMPERATUREWAS30“2SEEDAGEWAS36H，INITIALPHWAS75，SHAKINGSPEEDWAS150FFMIN，F(xiàn)ERMENTATIONTIMEWAS3648H，INOCULATIONVOLUMEWAS10％STREPTOMYCESSYRINGINIOPTIMUMTEMPERATUREWAS30“2，SEEDAGEWAS48H，INITIALPHWAS70SHAKINGSPEEDWAS150FFMINFERMENTATIONTIMEWAS3648H，INOCULATIONVOLUMEWAS15％。3CULTUREMEDIUMSWEREOPTIMIZEDONCEAGAININCULTUREMEDIUMOFSTREPTOMYCESGTOBISPORUS，SOMEMATERIALSWERESUBSTITUTEDBYCOMPOWDERANDBEANCAKEPOWDERBECAUSEOFLOWERCOSTWHENCORNPOWDERANDBEANCAKEPOWDERWEREINTHEPROPORTIONOF1515，THEINHIBITINGABILITYWASTHEMOSTINCTDTUREMEDIUMOFSTREPTOMYCESSYRINGINISOMEMATERIALSWERESUBSTITUTEDBYCORNPOWDERANDBEANCAKEPOWDERWHENCOITIPOWDERANDBEANCAKEPOWDERWEREINTHEPROPORTIONOF20／10，THEINHIBITINGABILITYWASTHEMOSTCULTVAFIONIN50LFERMENTATIONPOTWASCOMPAREDWITHIN250MLBOTTLE，ANDSOMEFACTORSWERERESEARCHEDPRIMARILY4SINGLEFACTOREXPERIMENTSOFDIFFERENTSTORAGECONDITIONSHADBEENONTRIALDIFFERENTSTORAGECONDITIONSCOULDAFFECTTHEIRACTIVITYUNDERTHECONDITIONSOFHIGHTEMPERATURE，UVCONSERVATIONIO4“CREFRIGERATORTHEINHIBITINGABILITYOFFERMENTATIONLIQUIDWASREDUCEDBYLONGTIMEDILUTEDBYDIFFERENTMULTIPLE，THEFERMENTATIONLIQUIDOFSTREPTOMYCESGLOBISPORUSCOULDN’TSHOWINHIBITIONIFTHEDILUTIONMULTIPLEWASMORETHAN130，STREPTOMYCESSYRINGINICOULDN’TSHOWINHIBITIONIFTHEDILUTIONMULTIPLEWASMORETHAN10051INANOTHEREXPERIMENT，TWOSTREPTOMYCESWEREUSEDTOCONTROLPLANTDISEASESTHEFERMENTATIONLIQUIDWASSPRAYEDTOLEAVES，ORFILLEDINROOTTHERESULTSSHOWEDTHATTHEYCOULDCONTROLSOMEDISEASESTOSOMEDEGREEKEYWORDSORGANICWASTE；FERMENTATION；STREPTOMYCESGLOBISPORUS；STREPTOMYCESSYRINGINIII

簡(jiǎn)介：河北農(nóng)業(yè)大學(xué)碩士學(xué)位論文枯草芽孢桿菌防治番茄灰霉病及其作用機(jī)制與發(fā)酵水平研究姓名杜立新申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)植物病理學(xué)指導(dǎo)教師曹克強(qiáng)馮書(shū)亮20040622BS208菌株的無(wú)菌濾液熱穩(wěn)定性較強(qiáng)，耐酸，在強(qiáng)堿性條件下不穩(wěn)定。在搖瓶中對(duì)BS一208和BS，209的發(fā)酵培養(yǎng)基及發(fā)酵條件進(jìn)行了篩選。結(jié)果表明，所篩選到BS，208的理論最優(yōu)培養(yǎng)基組合為氮源A4％，淀粉16％，酵母粉05％，理論最優(yōu)發(fā)酵條件組合為轉(zhuǎn)速230RPM，初始PH8，接種量O5％，裝量70ML500MI_，三角瓶中，發(fā)酵周期為60H；BS一209的理論最優(yōu)培養(yǎng)基組合為氮源A3％，淀粉16％，酵母粉05％，理論最優(yōu)發(fā)酵條件組合為轉(zhuǎn)速230RPRN，初始PH8，接種量1％或3％，裝量50ML500ML三角瓶中，發(fā)酵周期為58H。利用平板對(duì)峙法測(cè)定了BS208和BS一209對(duì)19種植物病原真菌的抑菌作用。結(jié)果表明，兩菌株除對(duì)蘋(píng)果輪紋病菌抑菌率較低為1834％和1018％以外，對(duì)所測(cè)定的其余18種植物病原真菌都有較高的抑制作用。關(guān)鍵詞枯草芽孢桿菌；番茄灰霉??；生物防治；發(fā)酵；作用機(jī)制

簡(jiǎn)介：山東農(nóng)業(yè)大學(xué)碩士學(xué)位論文苦豆子提取物及其系列物防治番茄和黃瓜根結(jié)線(xiàn)蟲(chóng)病初探姓名馮艷梅申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)農(nóng)業(yè)推廣指導(dǎo)教師羅萬(wàn)春20041010些查查、業(yè)查蘭童些堡主笙苧；．英文縮寫(xiě)KGMCMMMM‘HAA．1．ML℃中英文對(duì)照表英文全稱(chēng)GRAMKILOGRAMMETERCENTIMETERMILLIMETERMETERSQUARELHECTAREACTIVEINGREDIENTMILLILETERCENTIGRADE中文完千克米厘米毫米平方米公頃有效成分毫升攝氏度

簡(jiǎn)介：中山大學(xué)碩士學(xué)位論文蛙病毒分子流行病學(xué)調(diào)查及其對(duì)中華鱉致病性和防治姓名游靖申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)水生生物學(xué)指導(dǎo)教師何建國(guó)20050530RANAVIRUSMOLECULAREPIDEMIOLOGYANDSTUDYONTHEPATHOGENICITYOFRANAVIRUSAFFECTINGONTRIONYXSINENSISASTRACTRANAVIRUSWASIDENTIFIEDASTHEPATHOGENCAUSINGTHEFLOGSANDTHEOTHERAQUATICANIMALSMORTALITIESINCOMMERCIALCULTURESINCHINAINOURSTUDY4PAKSOFPRIMERSWEREDESIGNEDACCORDINGTHESEQUENCESOFTWOFUNCTIONALGENESINTIGERFROGVIRUS，NⅣ，WHICHGENOMESEQUENCEHADBEENTESTEDBYOURLABORATORYANDSENSITIVENESTEDPCRPROCEDURESAREMODIFIEDINTHEEXPERIMENTTODETECTTHE10。4PGGENOMEDNAOFTFVINTISSUETHENTHESENSITIVEPATHOGENSPECIFICNESTEDPCRDETECTIONPROCEDURESAREAPPLIEDTOINVESTIGATETHEMOLECULAREPIDEMIOLOGYOFTHERANAVIRUSINTHEAQUATICANIMALSINSIXCITIESOFGUANGDONGPROVINCEINTHEINVESTIGATION，WEFOUNDTHELATENTAFFECTIONWASVERYHIGHABOVE20PERCENTINTHETIGER的GSRANATIGRNARUGULOSA，THEAMERICAFLOGSFR口NEHECKSTHERIANDTHECHINESESOFTSHELLTURTLESTRIONYSSINENSISANDWEDRAWACONCLUSIONTHATTHEIRIDOVIRUSCAMEFROMBOTHTHETIGERFROGSANDTHECHINESESOFTSHELLTURTLESMAYBEONESPECIEBYTHEPHYLOGENETICANALYSISOFTWOFUNCTIONALGENESFORFURTHERSUBSTANTIATEWHETHERTRIONYSSINENSISCOUMHEAFFECTEDBYTF址WEINJECTEDTHEVIRUSWHICHCAMEFROMCELLCULTURETHEMAFTER78DAYSOBSERVATION，THEMORTALITYRATEWAS7080％ATTHETEMPERATUREOF25℃THEREISTHEREDABDOMINALSHELLDISEASEINTHESURFACESYMPTOMASBOTHTHEPCRANDINSITUHYBRIDIZATIONVIRUSDETECTIONS，EVERYVISCERACANBEAFFECTEDBYTHEVIRUSESWHENTHECHINESESOFTSHELLTURTLESWEREIMMUNIZEDWITHTHEINACTIVATEDVIRUSVACCINE，THEPROTECTIONRATESWERE70％IIL20DAYSOBSERVATIONKEYWORDSRANAVIRUS，NESTEDPCR，MOLECULAREPIDEMIOLOGYPHYLOGENETICANALYSIS，VACCINE，INSITUHYBRIDIZATIONⅡ

簡(jiǎn)介：吉林農(nóng)業(yè)大學(xué)碩士學(xué)位論文多味中藥對(duì)IBDV的抑制作用及其組方對(duì)IBD防治效果研究姓名張燚申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)臨床獸醫(yī)學(xué)指導(dǎo)教師劉清河20050601吉林農(nóng)業(yè)大學(xué)頂十學(xué)位論文多味中藥對(duì)IBDV的抑制作用及其組方對(duì)IBD酗治敏果研究脾指數(shù)的作用最強(qiáng)，與其它中藥治療問(wèn)差異極顯著P≤O01，補(bǔ)益方的作用次之；在各中藥治療組中，扶正祛邪方治療組胸腺指數(shù)最低，與其它各組間差極異顯著P≤O01。組織學(xué)切片可知，扶正祛邪方組的淋巴小結(jié)完好無(wú)損，結(jié)構(gòu)清晰，無(wú)腺泡樣結(jié)構(gòu)，其對(duì)法氏囊的保護(hù)作用優(yōu)于抗體治療組；其次對(duì)法氏囊有較強(qiáng)保護(hù)作用的組方為補(bǔ)益方。關(guān)鍵詞中藥雞傳染性法氏病免疫II

簡(jiǎn)介：礦773351學(xué)校代碼10264研究生學(xué)號(hào)M010101006上海水產(chǎn)大學(xué)碩士學(xué)位論文題目．，氟苯尼考翌萋器霉毳擎病防治STUDIESOHTHECONTROLOFBACTERIAIDISEASES英文題目ANDPHARMAEOKINETICSOFFLORFENICOLIN曰矗LIOTISDIVERSICOLORREEVE專(zhuān)業(yè)研究方向姓名指導(dǎo)教師水產(chǎn)養(yǎng)殖水產(chǎn)動(dòng)物醫(yī)學(xué)廖昌容陳畢生研究員二OO五年五月上海水產(chǎn)大學(xué)碩士學(xué)位論文中文摘要上皮細(xì)胞融合，核解體消失。用試管稀釋法測(cè)定了氟苯尼考等四種抗菌藥對(duì)六種常見(jiàn)海洋致病弧菌的最小低抑菌濃度MIC和最小低殺菌濃度鵬C。MIC測(cè)試結(jié)果顯示，氟苯尼考對(duì)六株弧菌的MIC值范圍為2～4LLG／ML，氯霉素為1～32UG／ML，土霉素為4～128U∥ML，恩諾沙星為0．125～I(xiàn)U∥M1；對(duì)多數(shù)弧菌氟苯尼考與氯霉素的抗菌活性相似。氟苯尼考對(duì)六株弧菌的船C／MIC值范圍為2～4，而氯霉素為2．16，表明氟苯尼考的殺菌效果優(yōu)于氯霉素；對(duì)照藥物恩諾沙星、土霉素的MBC／MIC值分別為L(zhǎng)～2和2“8，恩諾沙星顯示出優(yōu)良的抗菌和殺菌活性，而弧菌對(duì)土霉素則表現(xiàn)出一定的抗藥性。隨著接種菌量增加，所測(cè)三種抗菌藥氟苯尼考、氯霉素、恩諾沙星的MIC隨之升高；當(dāng)接種量為I07CFU／ML時(shí)，這三種藥物對(duì)多數(shù)弧菌的MIC值均大于或等于64Ⅱ∥ⅢL。室內(nèi)通過(guò)浸浴、創(chuàng)傷或注射方式對(duì)雜色鮑稚鮑以病原菌氣味黃桿菌FLAVOBACTERIUMODORTUMNPB03菌株人工感染膿皰病，并用不同濃度的氟苯尼考進(jìn)行藥浴治療。體外抑菌測(cè)試氟苯尼考對(duì)NPB一03菌株的MIC為4UG／ML，MBC為64|J∥ML。攻毒結(jié)果顯示健康雜色鮑浸浴方式不能感染，而腹足創(chuàng)傷攻毒較注射方式誘導(dǎo)的膿皰病癥狀明顯，對(duì)創(chuàng)傷感染稚鮑用6MG／L氟苯尼考藥浴96H可明顯降低死亡率，但對(duì)注射感染稚鮑需10MG／L才可有效抑制誘導(dǎo)感染所致的死亡，研究結(jié)果表明對(duì)已被病原細(xì)菌感染的鮑應(yīng)施用較高濃度的藥物處理才可能有效。

簡(jiǎn)介：分類(lèi)號(hào)密級(jí)中文論文題目單位代碼Q墨墨5學(xué)號(hào)QZQ2Z洳≥J、暗’博士學(xué)位論文英文論文題目FUNCTIONALCHARACTERIZATIONOFEIGHTSMALLGPROTEINSINRASSUPERFAMILYANDTHEIRCONTRIBUTIONSTOBIOLOGICALCONTROLPOTENTIALOFBEAUVERIOBOSSIONOFUNCTIONAICHARACTERIZATIONOFEIGHTSMALIGPROTEINSINRASSUPENAMVANDTHEIRC0NTRIBUT|0NSTOB10IOGICAICONTROLDOTENTIALSUBMITTEDASPARTIALFULFILLMENTOFTHEREQUIREMENTSFORTHEDEGREEOFDOCTOROFSCIENCEWITHMAJORINMICROBIOLOGYINZHEJIANGUNIVERSITYYIGUANSUPERVISEDBYMINGGUANGFENGMAY2016HANGZHOU，CHINA

簡(jiǎn)介：山東農(nóng)業(yè)大學(xué)碩士學(xué)位論文柏膚小蠹的生物學(xué)和生態(tài)學(xué)特性及其防治的研究姓名楊燕燕申請(qǐng)學(xué)位級(jí)別碩士專(zhuān)業(yè)農(nóng)業(yè)昆蟲(chóng)與害蟲(chóng)防治指導(dǎo)教師李照會(huì)20050501山東農(nóng)業(yè)大學(xué)碩士研究生論文摘要柏膚小蠹PHLOEOSINUSAUBEIPERILS是側(cè)柏、檜柏等柏屬樹(shù)木的主要蛀干害蟲(chóng)之一，在曲阜、泰山地區(qū)一年發(fā)生L代，以幼蟲(chóng)及成蟲(chóng)越冬。本論文圍繞著柏膚小蠹的聚集信息素；溫度對(duì)柏膚小蠹生長(zhǎng)發(fā)育、存活及繁殖的影響；異色郭公蟲(chóng)對(duì)柏膚小蠹的捕食作用；柏膚小蠹的空間格局和防治等方面進(jìn)行了研究。主要結(jié)論如下1對(duì)信息素的研究表明，蟲(chóng)體、蟲(chóng)糞、柏屬樹(shù)木韌皮的粗提物和柏油對(duì)柏膚小蠹均有聚集引誘作用。效果以柏油為最佳，30RAIN內(nèi)的誘蟲(chóng)率達(dá)到897％，蟲(chóng)體、蟲(chóng)糞、側(cè)柏、檜柏和龍柏韌皮的誘蟲(chóng)效果次之，30RAIN內(nèi)的誘蟲(chóng)率分別為838％、692％、50％、462％和321％。杉木韌皮粗提物對(duì)柏膚小蠹的誘蟲(chóng)效果不明顯，僅為77％。2在溫度對(duì)柏膚小蠹生長(zhǎng)發(fā)育、存活及繁殖影響的研究中，對(duì)各蟲(chóng)態(tài)的發(fā)育歷期、發(fā)育速率等采用二次拋物線(xiàn)方程擬合了關(guān)系式，并進(jìn)行分析測(cè)定了柏膚小蠹的發(fā)育起點(diǎn)、有效積溫；應(yīng)用生命表技術(shù)組建了特定時(shí)間生命表。21發(fā)育歷期與溫度呈開(kāi)口向上的拋物線(xiàn)形式，而發(fā)育速率結(jié)果則開(kāi)口向下。在225℃時(shí)，柏膚小蠹的發(fā)育歷期最短、發(fā)育速率最快。22在試驗(yàn)溫度范圍內(nèi)，柏膚小蠹的各蟲(chóng)態(tài)及世代的存活率都以225℃時(shí)最高，當(dāng)高于或低于225℃時(shí)，存活率都明顯下降。23每雌總產(chǎn)卵量在225℃時(shí)達(dá)到最大，為737粒；產(chǎn)卵歷期在225℃時(shí)最長(zhǎng)為294D；每雌日均產(chǎn)卵量在11～25粒之間，且在225℃時(shí)最大。24在225℃時(shí)的壽命最長(zhǎng)，為335D，高于或低于此溫度時(shí)成蟲(chóng)壽命都呈下降趨勢(shì)，且25℃時(shí)最短為212D。25對(duì)柏膚小蠹各蟲(chóng)態(tài)及世代的發(fā)育起點(diǎn)及有效積溫的計(jì)算采用了直線(xiàn)回歸法和直接最優(yōu)法。卵、幼蟲(chóng)、蛹、產(chǎn)卵前期四個(gè)蟲(chóng)態(tài)中以幼蟲(chóng)期的有效積溫最大，發(fā)育起點(diǎn)溫度最低。26通過(guò)實(shí)驗(yàn)種群特定時(shí)間生命表，明確了實(shí)驗(yàn)種群生命參數(shù)與溫度之間的關(guān)系柏膚小蠹各年齡階段的生命期望值隨年齡的增長(zhǎng)呈現(xiàn)下降的趨勢(shì)；在實(shí)驗(yàn)溫度條件下，種群凈生嬉率RO、內(nèi)稟增長(zhǎng)率RM、周

簡(jiǎn)介：危害果樹(shù)的重要害蟲(chóng)危害果樹(shù)的重要害蟲(chóng)茶翅蝽生物學(xué)及其生物防治研究茶翅蝽生物學(xué)及其生物防治研究仇蘭芬仇蘭芬20082008屆博士博士中國(guó)林業(yè)科學(xué)研究院中國(guó)林業(yè)科學(xué)研究院學(xué)位論文危害果樹(shù)的重要害蟲(chóng)茶翅蝽生物學(xué)及其生物防治研究中國(guó)北京學(xué)位論文作者仇蘭芬指導(dǎo)老師姓名楊忠岐教授申請(qǐng)學(xué)位級(jí)別博士專(zhuān)業(yè)名稱(chēng)森林保護(hù)學(xué)研究方向生物防治論文答辯日期2007年10月15日

簡(jiǎn)介：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(mén)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)行撿索，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，同時(shí)授權(quán)中國(guó)科學(xué)技術(shù)信息研究所將本學(xué)位論文收錄到中國(guó)學(xué)位論文全文數(shù)據(jù)庫(kù)并向社會(huì)公眾提供信息服務(wù)。保密論文在解密后應(yīng)遵守此規(guī)定。論文作者簽名釜塋導(dǎo)師簽名扛EL期趔生繾目錄摘要IABSTRACT。HI1前言111研究意義一L12韭菜遲眼蕈蚊213生活習(xí)性及韭菜危害特征3131生活習(xí)性3132為害特征314昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑的主要種類(lèi)4141幾丁質(zhì)合成抑制劑4142保幼激素類(lèi)似物4143蛻皮激素類(lèi)似物515昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑的毒理及應(yīng)用進(jìn)展5151昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑對(duì)昆蟲(chóng)卵的致毒作用5152昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑對(duì)雙翅目幼蟲(chóng)的作用616昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑與其他藥劑的混和使用6161藥劑混用的優(yōu)點(diǎn)6162昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑與其他種類(lèi)藥劑的混用71613昆蟲(chóng)生長(zhǎng)調(diào)節(jié)劑與其他藥劑混用的增效機(jī)制717選題依據(jù)及研究?jī)?nèi)容72材料與方法21供試蟲(chóng)源922供試藥劑及主要儀器一9221供試藥劑9222主要儀器一L023生物測(cè)定LO231對(duì)韭菜遲眼蕈蚊不同日齡卵的毒力10232對(duì)韭菜遲眼蕈蚊幼蟲(chóng)的毒力測(cè)定11