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1、中國水稻科學(ChinJRiceSci)，2O14·28(3)：322—326http：／／www．ricesci．cn322DOI：10．3969／j．issn．1001—7216．2014．03．012褐飛虱脅迫對不同抗性水稻品種根際土壤酶活性和微生物含量的影響蘇婷1徐紅星2韓海亮1楊亞軍2王桂躍1，鄭許松。呂仲賢。，(1浙江省農業(yè)科學院浙江省東陽玉米研究所，浙江東陽322100；2浙江省農業(yè)科學院植物保護與微生物研究所，杭州310021；*通訊聯(lián)系人，E—mail：luzxmh@gmail．corn)SoilmicrobeQuantities
2、andEnzymeActivitiesinRhizosphereofDifferentRiceVarietiesFedbyBrownPlanthopperssuTing1，XUHong—xing。。HANHai—liang，YANGYa—jun。，WANGGui—yue，，ZHENGXu—song。，IVZhong—xian，(tInstitute0廠MaizeResearch，ZhejiangAcademyoJAgriculturalSciences，Dongyang322105，China；0InstituteoJPlantProtection
3、andMicrobiology．ZhejiangAcademyofAgriculturalSciences，Hangzhou310021，China；Correspondingauthor，E-mail：luzxrnh@gmail．corn)SUTing，XUHongxing，HANHailiang，eta1．Soilmicrobequantitiesandenzymeactivitiesinrhizosphereofdifferentricevarietiesfedbybrownplanthoppers．ChinJRiceSci，2014，28(
4、3)：322326．Abstract：ThechangesinpHvalue，soilenzymeactivityandmicrobedensityintherhizosphereofpottedriceplantsfedbyricebrownplanthoppers(BPH)，NilaparvatalugensfordifferentdayswereinvestigatedonBPH—susceptiblericevariety(TN1)andtworesistantvarieties(IR26andIR36)，forcomparingtheBP
5、H—feeding—associatedundergroundecologicalsystemsamongriceresistantvarieties．TherhizospheresoilpHvalueofTN1plantswassignificantlylowerthanthatofBPHfreeplantswithoutsignificantdeferenceamongresistantvarietiesonedayandfivedaysafterBPHfceding．Theactivitiesofsucraseandureaseinrhizo
6、spheredidnotdifferamongtreatmentsonedayafterBPHfeeding，whilesucraseactivitysignificantlyincreasedandureaseactivityreducedinIR36plantsoilninedayafterBPHfeedingascomparedwiththatintheBPH—freeplantrhizospheresoil．ThesoilbacterialdensityinrhizosphereofIR36significantlyreducedonlyo
7、nedayofBPHfeeding，andfungaldensityintherhizosphereofTN1significantlyreducedfivedaysafterBPHfeeding．thesoilactinomycetedensityintherhizosphereofIR26andIR36significantlyreduced．Multi—factoranalysisofvarianceshowedthatricevarietydidnotaffectpHvalueandmicrobepopulationofrhizospher
8、esoilandgreatlyaffectedthesoilenzymeactivity．Moreover，BPHfeed
