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1、中国水稻科学(ChinJRiceSci),２０１６,３０(２):２００－２０９http://www．ricesci．cn２００DOI:１０．１６８１９/j．１００１Ｇ７２１６．２０１６．５０９０不同氮肥水平下转Bt基因水稻对褐飞虱和白背飞虱生态适应性的继代影响刘凯１,２杨亚军１田俊策１鲁艳辉１徐红星１郑许松１吕仲贤１,２,∗(１浙江省农业科学院植物保护与微生物研究所,杭州３１００２１;２浙江师范大学化学与生命科学学院,浙江金华３２１００４;∗通讯联系人,EＧmail:luzxmh２００４＠aliyun．
2、com)EffectsofBtRicewithcry１Candcry２AontheEcologicalGenerationFitnessofRiceBrownPlanthoppers(Nilaparvatalugens)andWhitebackedPlanthoppers(Sogatellafurcifera)atVariousNitrogenRatesLIUKai１,２,YANGYaＧjun１,TIANJunＧce１,LUYanＧhui１,XUHongＧxing１,ZHENGXuＧsong１,LVZh
3、ongＧxian１,２,∗(１InstituteofPlantProtectionandMicrobiology,ZhejiangAcademyofAgriculturalSciences,Hangzhou３１００２１,China;２CollegeofChemistryandLifeScience,ZhejiangNormalUniversity,Jinhua３２１００４,China;∗Correspondingauthor,EＧmail:luzxmh２００４＠aliyunc．om)LIUKai,YAN
4、GYajun,TIANJunce,etal．EffectsofBtricewithcry１Candcry２Aontheecologicalgenerationfitnessofricebrownplanthoppers(Nilaparvatalugens)andwhitebackedplanthoppers(Sogatellafurcifera)atvariousnitrogenrates．ChinJRiceSci,２０１６,３０(２):２００Ｇ２０９．Abstract:Inordertoevaluat
5、etheeffectsofBtriceonthegenerationfitnessofnonＧtargetpestatdifferentnitrogenrates,aswallasthepotentialimpactofBtriceandnitrogenfertilizerlevelsonnonＧtargetpest,thebrownplantthopper(BPH)(Nilaparvatalugens)andthewhitebackedplanthopper(WBPH)(Sogatellafurcif
6、era),weresuccessivelyculturedforfourgenerationsonBtrice,T１CＧ１９withcry１CandT２AＧ１withcry２A,andtheirparentalriceMinghui２６３,atnitrogenratesof０,１００and２５０kg/hm．TheresultsindicatedthattheecologicalfitnessoftheBPHandWBPHwasincreasedwiththeincreasingnitrogenferti
7、lizerlevel,includingshortenednymphdevelopmentalduration,enhancedfecundity,prolongedlongevity,increasednymphsurvivalrate,femaleweight,egghatchabilityandpopulationgrowthrate．Thereweresignificantdifferencesinriceplanthoppernymphaldevelopmentduration,bodywei
8、ghtoffemaleadult,fecundityandpopulationgrowthrateforfoursuccessivegenerationsunderdifferentnitrogenrates．TransgenicBtrice,T１CＧ１９andT２AＧ１,hadnosignificanteffectonthefitnessofBPHandWBPHatthesamegenerationsandnitrogenrates,ex
