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:(No.2009hzs1J026,ITBBKF2008-2),(No.309044)。:,,。:。E-mail:yinxm8303@126.com。*,,E-mail:zhiqiangjin2001@yahoo.com.cn。:2010-07-01:2010-08-31318Vol.31No.820108CHINESEJOURNALOFTROPICALCROPSAug.2010B2151,3,4,3,1,1,2,3,2,1,2,,,,B215,:NA,50mL/500mL,pH7.0~7.5,1,28℃,。,,L8(27),B215:,750mL/,。:B215Foc62.95。;;doi10.3969/j.issn.1000-2561.2010.08.033S432.4(Fusariumoxysporumf.sp.cubense,Foc)[1-2],、、,,、,,,,,。,B215。B215,:,,,。B215(Bacillussubtilis)[3]。,,,,。11.1B215[4]755B,600nm,OD600,NB。500μLB21550mLNB250mL,28℃,180r/min,16、20、24、28、36、40、44、48、60、72、84h,OD600。:B215B215NB,15、20、25、28、30、33、35、38、40、45、50℃11180r/min48h,OD600。pHB215NB,1mol/L1mol/LpH4、4.5、5、5.5、6、6.5、7、7.5、8、8.5、911,28℃,180r/min48h,OD600。250μL、500μL、1mLB215NB(50mL/500mL),0.5、1、2,28℃,180r/min48h,OD600。,50mL/500mL、100mL/500mL、150mL/500mL3,OD600。1.2B215,。20,。L8(27)。A:(A1)50,(A2)50;B:(B1)500mL/,(B2)750mL/。C:(C1)1h30min,(C2)20d。D:(D1)10dFoc,5×106/mL,(D2)10d。60d,Foc。1.2.1,,。20,。4:①50B215(750mL/),10dFoc(5×106/mL);②10dFoc(5×106/mL),;③B215(750mL/),。④,。60d,、。[5]。22.1B215、,,[6]。,NA。:B21548h;48~84h;84h,B215。:B215。B21525~35℃,28℃。,。pH:pHB215,B215pH6.0~8.5,pH7.0~7.5。:B215500μL,1。,,,,,,,,。:B215,,50mL/500mL。,,。,,。,NA,B215:50mL/500mL,pH7.0~7.5,1,28℃48h;E353:100mL/500mL,pH7.0,1,30℃44h。1417312.2B215,,(1)。1,,,。,,B215:,750mL,Foc。,B215Foc62.95(2)。,。B215750mL/,,B215,。3,(Pseudomonas)[7-8]、(Bacillus)[9](Streptomyces)[10-12],,,。,[11]。[13],。,、。,,,,,L8(27)。,,,,。B215Foc62.95。B215Foc, !#$%&’()*+,-.(/0 !#$%&’())*+,)-..)/0123)45-6..7..6.7)*+,)-..)/0123789:6::.6.:)*+,75-.7/0;3)4-.6..7.6.=)*+,75-.7/0;37896::.6?-7+,@)-..7/0;3)476::=..6.?7+,@)-..7/0;3789):6::.6=57+,@75-.)/0123)4-6::)..6.7+,@75-.)/0123789)6?5.6.A ):?6??)5:6BB):6::7?-6??C )--6??))6::)-:6BB7?6??A :=-6-?-6..=?6))6--C :-)6B:B6==-)6::6BDEF ?6::)6-?-6775B6??A 77.6?.?..6=.:..6..57.6..C -..6=.)7.6?.=7)6..)6..A :5:6-:7..6):)..6..7=.6..C :)??6.=.67.)=.6::.6::!DEF B:675)-B6B:=.6::7:B6?51 DBACA B C A B C 1418[4],。,,。B215Foc。[1]StoverRH.FusarialWilt(PanamaDisease)ofBananasandotherMusaspecies[M].CMI,Kew,Surrey,UK,1962:117.[2]PloetzRC,PeggKG.Fusariumwilt.//JonesDRed.DiseasesofBanana,AbacaandEnset[M].CABIPublishing,Wallingford,UK,2000:544.[3],,,.———B215[J].,2008,29(5):636-640.[4].[D].:,2008.[5],,,.[J].,2005(4):17.[6],,,.[J].,2007,47(6):1076.[7]ThangaveluR,PalaniswamiA,DoraiswamyS,etal.TheeffectofPseudomonasfluorescensandFusariumoxysporumf.sp.cubenseoninductionofdefenseenzymesandphenolicsinbanana[J].BiologiaPlantarum,2003,46(1):107-110.[8]TingA,MenonS,KadirS,etal.Potentialroleofendophytesinthebiocontroloffusariumwilt[C].2ndInternationalSymposiumonFusariumWiltonBanana,2003:32.[9]ChenChaoying,WangYihui.EnhancementoftheantifungalactivityofBacillussubtilisF29-3bythechitinaseencodedbyBacilluscirculanschiAgene[J].CanadianJournalofMicrobiology,2004,51(6):451-455.[10]GethaK,VikineswaryS.AntagonisticeffectsofStreptomycesviolaceusnigerstrainG10onFusariumoxysporumf.sp.cubenserace4:Indirectevidencefortheroleofantibiosisintheantagonisticprocess[J].JournalofIndustrialMicrobiologyandBiotechnology,2002,28(6):303-310.[11],,.、[J].(),2003,42(2):70-73.[12]LixiangCao,ZhiqiQiu,JianlanYou,etal.IsolationandcharacterizationofendophyticstreptomycetesantagonistsofFusariumwiltpathogenfromsurface-sterilizedbananaroots[J].FemsMicrobiologyLetters,2005,247(2):147-152.[13],,,.、[J].,2007,28(4):78-83.TestoftheBiocontrolEffectofBacillussubtilisB215onBananaVasicularWiltYinXiaomin1,ZhengFucong3,4,HeChunping3,MaWeihong1,ZengHuicai1,2,WangJiabao3,XuBiyu2,JinZhiqiang1,21HaikouExperimentStation,CATAS,Haikou,Hainan571101,China;2InstituteofTropicalBioscienceandBiotechnology,CATAS,Haikou,Hainan571101,China;3EnvironmentandPlantProtectionInstitute,CATAS,DanZhou,Hainan571737,China;4CollegeofEnvironmentandPlantProtection,HNU,DanZhou,Hainan571737,ChinaAbstractThestrainofBacillussubtilisB215withgoodantagonisticityagainstFusariumoxysporumf.sp.cubensewastestedbythedualcultureandconidialgerminationmeathod.TheresultsshowedthatoptimumfermentationconditionforB215wastobeinoculatedfor48hat28℃inNAmedium(pH7.0-7.5),andtheoptimalinoculumandmediumforthegrowthstrainB215was1%and50mL/500mL,respectively.AccordingtotheresidualnumberofFocsporesinthesoil,theorthogonaldesignanalysiswasconductedtotesttheeffectofantagonisticB215onFocinthegreenhouse.theresultsshowedtheoptimalcombinationwasrootdippingbycultureliquidofstrains(750mLperline)beforeseedlingcolonization.ThecontroleffectsofthestrainB215ontheFocwas62.95%.KeywordsBacillussubtilis;Bananavasicularwilt;Thebiocontroleffect::B2151419
本文标题:枯草芽孢杆菌B215生物学特性及对香蕉枯萎病的生防效果评价
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