吡蚜酮对水稻褐飞虱取食行为的影响.pdfVIP

中国水稻科学(ChinJR (sci)，2010，24(6)：635～640 http i|wⅥ ．riceseicn I)()1：10．3969／j．issn．1001—7216．20l0．06．012 635 吡蚜酮对水稻褐飞虱取食行为的影响 何月平 陈 利 ，2 陈建 明1， 陈列忠1 张珏锋 (。浙江省农 、科学 院 植物保护与微生物研究所 ，浙 I杭州 310021；。杭州师范大学 ，E命 与环境科学学 院，浙江 杭州 3l0036； 通讯联系人 Email：chenjm63@yahoo．con1．cn) EffectsofPymetrozineon theFeeding BehaviourofRiceBrown Planthopper，N ilaparvata lugens (Stli1) HEYueping ，CHENI．i，CHENJian—uring， ，C1IENI．iezhong ，ZHANGJuefeng (Institute 『，nPlantProte~tionandMicrobiologY，ZhejiangAcademyo,／Agr“ulturalSt ”( ，Hangzhou30021，(、，2ina； Colleg o／1．ife andEnvironmentalSciemes，Hangzh。“NormalUniversity，Hangzhou310036，China； (D¨ 声n”c，” author，Email：chenjm63@yahoo． C07[I．cn) HEYueping，CHEN Li，CHENJianrning，eta1．Effectsofpymetrozineoilthefeedingbehaviourofricebrownplanthopper， Nilaparvatalugens(Stfil)．ChinJRiceSci，2010，24(6)：635—640． Abstract：Pymetrozineisoneoftherecommended alternativesforcontrolling rice brown planthopper，N ilaparvata lugens (Stli1)．Initialfeedingchoiceexperimentswith wingedfemaleadultsshowed thatafter24h，therewerenosignificantdiffer encesbetweenthenumbersofplanthoppersalightingonuntreatedriceplantsandthosetreatedwith0．1g／Ipymetrozine(1．5 ±0．9adultsand1．6±1．2adults，respectively)．Electricalpenetrationgraph (EPG)dataindicatedthatafterthetreatmentof 0．1g／Ipymetrozine．riosignificantdifferenceoccurred onthefrequencyofsty／etprobing．thefrequencyofpenetrationinto phloem ，thedurationintheextracellularregionofphloem，andthedurationofxylem ingestion，whilethedurationofnon—pro— bingperiod increased，andthephloem ingestionbehaviourwassignificantlyinterruptedcomparedwiththetreatmentofwater． Thetotaldurationofphloem ingestion ofN． 1ugensadultsin 4 h wasonly 1．2± 0．5 min on theplantstreated with PY metrozine，whereas65．1± 11．3 min on the untreated plants．Feeding recovery data suggested thatthe inhibition ofPY metrozineonthephloem ingestionofN