褐飞虱胁迫对不同抗性水稻品种根际土壤酶活性和微生物含量的影响-论文.pdf

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1、中国水稻科学(ChinJRiceSci)，2O14·28(3)：322—326http：／／www．ricesci．cn322DOI：10．3969／j．issn．1001—7216．2014．03．012褐飞虱胁迫对不同抗性水稻品种根际土壤酶活性和微生物含量的影响苏婷1徐红星2韩海亮1杨亚军2王桂跃1，郑许松。吕仲贤。，(1浙江省农业科学院浙江省东阳玉米研究所，浙江东阳322100；2浙江省农业科学院植物保护与微生物研究所，杭州310021；*通讯联系人，E—mail：luzxmh@gmail．corn)SoilmicrobeQuantities

2、andEnzymeActivitiesinRhizosphereofDifferentRiceVarietiesFedbyBrownPlanthopperssuTing1，XUHong—xing。。HANHai—liang，YANGYa—jun。，WANGGui—yue，，ZHENGXu—song。，IVZhong—xian，(tInstitute0厂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