红星盘瓢虫取食烟粉虱和桃蚜的生物学特性研究

:20100415:()(200803005):(1969-),,,,Email:[e-mail];*,,Email:[e-mail]红星盘瓢虫取食烟粉虱和桃蚜的生物学特性研究吴建辉,杨金兰,任顺祥*(/,510642)摘要:本文研究了取食烟粉虱Bemisiatabaci(Gennadius)和桃蚜Myzuspersicae(Sulzer)对红星盘瓢虫Phrynocariacongener(Billberg)生物学特性的影响,结果表明,取食不同虫态的烟粉虱时,红星盘瓢虫从卵到成虫不同虫态的发育历期和存活率差异不显著;取食不同虫态的桃蚜时,红星盘瓢虫一三和四龄幼虫的发育历期和四龄幼虫的成活率差异显著分别取食烟粉虱的混合种群(卵各龄若虫和蛹)和桃蚜的混合种群(卵和各龄若虫)时,瓢虫从卵到成虫的发育历期和存活率差异显著,分别为133d和157d811%和700%红星盘瓢虫取食烟粉虱和桃蚜的产卵前期差异不显著;但成虫寿命和平均单雌产卵量差异显著,分别为646d和860d3894粒和9604粒红星盘瓢虫捕食烟粉虱和桃蚜的内禀增长率(rm)分别为00967和00964;净增殖率(R0)分别为1187573和3553586;世代平均历期(T)分别为494d和609d;周限增长率()分别为11015和11012关键词:烟粉虱;桃蚜;红星盘瓢虫;生物学特性中图分类号:S4762文献标识码:A文章编号:10059261(2010)03026007InfluenceofBemisiatabaci(Gennadius)andMyzuspersicae(Sulzer)asPreysonBiologicalCharacteristicsofPhrynocariacongener(Billberg)WUJianhui,YANGJinlan,RENShunxiang*(EngineeringResearchCenterofBiologicalControl,MinistryofEducation,CollegeofNaturalResourcesandEnvironment,SouthChinaAgriculturalUniversity,Guangzhou510642,China)Abstract:InfluenceofBemisiatabaci(Gennadius)andMyzuspersicae(Sulzer)aspreysonbiologicalcharacteristicsofPhrynocariacongener(Billberg)wasinvestigatedunderlaboratoryconditions.ResultsindicatedthatthedevelopmentalperiodsandsurvivalratesofP.congenerlarvaewerenotsignificantlydifferentwhenthebeetleswerefedondifferentstagesofB.tabaci,butthedevelopmentalperiodsofthe1st,3rdand4thinstarlarvaeofthebeetleandsurvivalratesofthe4thinstarlarvaevariedsignificantlywhenM.persicaewasusedaprey.Thedevelopmentalperiodsofthebeetle(fromeggtoadultemergence)were133dand157d,respectively,forB.tabaciandM.persicaeaspreys,whereasthesurvivalrateswere811%onB.tabaciand700%onM.persicae,respectively.Thepreoviposition26026(3)260-266ChineseJournalofBiologicalControl20108periodsofP.congeneradultfemaleswerenotsignificantlydifferentwhenthebeetleswerefedonB.tabaciandM.persicae,whereastheadultlongevityandfecunditydifferedsignificantly,withmeanvaluesof646dand860d,3894eggsand9604eggs,respectively.Lifetableanalysisshowedthattheintrinsicratesofnaturalincrease(rm)ofP.congeneronB.tabaciandM.persicaewere00967and00964,respectively;thenetreproductiverate(Ro)valueswere1187573and3553586,respectively.Themeangenerationtime(T)observedwere494dand609d,respectively,whilethefiniteratesofincrease()were11015and11012,respectively.Keywords:Bemsiatabaci;Myzuspersicae;Phrynocariacongener;biologicalcharacters[Phrynocariacongener(Billberg)],[1],[1],[2,3][Bemisiatabaci(Gennadius)],,90,[4,5][Myzuspersicae(Sulzer)],,,;,[6~12],1材料与方法11供试寄主植物和昆虫(Hibiscusrosasinensis),,30~45cm;,24h,(262RH85%L!D=14h!10h),()()();,24h,,()()()3412红星盘瓢虫取食不同虫态的烟粉虱和桃蚜时的发育历期和存活率,100,9cm,,2,2613:(11cm∀55cm),1,,13红星盘瓢虫取食烟粉虱和桃蚜的发育历期和存活率,100,(11cm∀55cm),(,),,14红星盘瓢虫取食烟粉虱和桃蚜的繁殖力1213,,2~3d,10,(15cm∀100cm),(,),1213141,3262RH85%L!D=14h!10h15实验种群生命表的组建与分析,,,1213[13,14](X)(Lx)(Mx),(rm)(R0)(T)():R0=#LxMx;rm=lnR0/R;T=#LxMxX/R0;=exp(rm)R0,;rm,,,;T;,16数据分析Excel,SAS[15]2结果与分析21红星盘瓢虫取食不同虫态的烟粉虱和桃蚜发育历期,,(1),,(1);,;,(1),133d157d262261(MeanSE,d)Table1DevelopmentalperiodsofP.congenerfeedingondifferentlifestagesofB.tabaciandM.persicae(MeanSE,d)Larvae-PreyLifestageEgg11stinstar22ndinstar33rdinstar44thinstarPupaeEggadultB.tabaciEgg2401a2101b1201b1401b2301b4101ab13502aThe1stand2ndinstarnymphs2401a1901b1201b1401b2401b4101ab13402aThe3rdand4thinstarnymphs2401a1702b1201b1301b2601b3801b13002aEgg,1st,2nd,3rd,4thinstarnymphsandpupae2401a1801b1301b1202b2701cab3901b13302aM.persicaeThe1stand2ndinstarnymphs2301a2103b1802a2002a34015a4603a16108bThe3rdand4thinstarnymphs2301a2201b1701a1801a34021a4102ab15504bAdult2301a3002a1802a1402b27028ab4404a15609bEgg,1st,2nd,3rd,and4thinstarnymphs2301a2302b1701a1901a3301b4201ab15702b:005(DMRT)Note:Meansinthesamecolumnfollowedbydifferentlettersaresignificantlydifferent(DMRT,P005).Thesamebelow.22红星盘瓢虫取食不同虫态的烟粉虱和桃蚜的存活率(2),,,70%,11%(2)23红星盘瓢虫成虫取食烟粉虱和桃蚜的繁殖力,(3),2;1524红星盘瓢虫取食烟粉虱和桃蚜的生命表参数3(rm),(R0)3,(T)80%,2633:2(MeanSE,%)Table2SurvivalratesofP.congenerfeedingondifferentlifestagesofB.tabaciandM.persicae(MeanSE,%)Larvae-PreyLifestageEgg11stinstar22ndinstar33rdinstar44thinstarPupaeEggadultB.tabaciEgg98010a(100)94012a(98)95813a(92)95714a(88)95109ab(84)97812a(79)78552a(77)The1stand2ndinstarnymphs98010a(100)94813a(98)95012a(92)96101a(90)96712a(86)97111a(83)79645a(80)The3rdand4thinstarnymphs98010a(100)94619a(98)95014a(92)96513a(87)97123a(83)96424ab(80)79644a(77)Egg,1st,2nd,3rd,4thinstarnymphsandpupae98010a(100)94426a(98)94831a(92)96911a(87)97224a(84)98226a(81)81159a(79)M.persicaeThe1stand2ndinstarnymphs87645a(100)95911a(87)94510a(83)94412ab(78)94521b(73)93531b(68)66264b(63)The3rdand4thinstarnymphs87645a(100)94712a(87)94220a(82)94112b(77)96301a(72)95519ab(69)67665b(65)Adult87645a(100)93321a(87)94421a(81)93922b(76)94421b(71)94621b(67)64765b(63)Egg,1st,2nd,3rd,and4thinstarnymphs87645a(100)94918a(87)95314a(82)94918b(78)96909a(74)96109ab(71)70042b(68):Note:Datainthebracketwerenumbersofthetreatedsample.3(MeanSE)Table3FecundityandlifetableparametersofP.congenerfeedingonB.tabaciandM.persicae(MeanSE)Index¶meters(n)NumberofsamplesB.tabaciM.persicaeSexratio300535200203a0480500114bPre