用人造卵繁殖的螟黄赤眼蜂防治棉铃虫研究

CHINESEJOURNALOFBIOLOGICALCONTROL1997,13(1)69(,250100)[]19941995,91114%,89168%,140,3000,1520,87126%82181%,291183%99109%2,199580131%,93175%,3,42197%,41039136,,19941995(TrichogrammachilonisIshii)(HelicoverpaarmigeraHbner),1111,,,91114%,97157%,89168%,96177%,140,3000112,(612)(1218)(186)1,,1224()3,,611133,102030:2,57,,50,,114,,,,,115115111994,1332,544;1995,932,204,398115121994,1133hm2,19956,2hm2,341,45,180öhm2(34),200500m34,12,,1,,11513,5,4060,3,,35,,,21(1995,)()(%)1d2d3d4d5d77262011577171211001040648830105421752414921310142(1995,)()(%)18h24h36h48h60h72h24h190003116251268412110012h17001176291417818297165100()350111425143811439410099171100211(1),,67134%,(42192%);18199%,(13161%),2(97186%),397129%212(2)36,,81143%,24,3116%,6084121%,,24,3(1995,)()()(%)()()(%)()()(%)1031152713876159271943156871262614461867410520251187174691262419041288218124140111725119730231981210649171221081012653153231751119049189213,102087126%82181%,3053153%,(3)(30)(RH60%),,2047127%52163%,,15214,91183%99109%7215215112,2(4),19955,142(%)(%)(%)(%)(%)()1995193801317811516101061801362029190-2610108139106199413860186601962510-24142444810-1715-101520(56141%),4,74119%93175%,34,93133%93175%,80131%,919%,78115%,,,10%,(95%)2813%,,1994,12,72173%76127%,3,37193%47127%,3,,;,34,37,2151231995(5),32725883,36184%48%,42197%,(2188%),41128%,237124%40181%(36)(43124%)(28,34164%)(15),(7816%),,,,3619,41,53941,,103(65,33,3,2),(11)9136(16715)(9016),,3231916819,1193118653(1995,)(%)(%)(ö)(%)(ö)(ö)421974112836431241671590166533321032188-2834163323191681911000112151344,3Bt1,,39122%,814113%6182%,5459,146,4103414218,28303311,,,,312,,,,,1198711:11:,36236411198211,19(5):17201STUDYONUSINGARTIFICIALEGGSOFTRICHOGRAMMACHILONISTOCONTROLHELICOVERPAARMIGERAFENGJian2guoTAOXunZHANGAn2shengZHUANGQian2ying(InstituteofPlantProtection,ShandongAcademyofAgriculturalScience,Jinan250100)MethodofusingTrichogrammachilonisrearedonartificialeggstocontrolcottonbollwormwasstudiedinShandongprovincefrom1994to1995.Thepare2sitoidshowed91.4%parasiticrateand89.68%emergencerate.Therewere140artificialeggsononewaspcardfromwhichsome3000waspscouldemerge.Theprepupal2stageoftheparasitoidcouldbestoredfor15220dinrefrigerator.Theemergencerateswere87.26%and82.81%,andthesewereaccomplishedintwodays.Theadultwaspscouldlivelongerwhilehoneywasprovidedtothem.E2mergerateof91183%to90.09%wereobservedfrompaper2bagrelease2contain2er.Fieldreleasesweremadetocontrolthebollworm,andtheparasiticratewere80.31%to93.75%,and42.97%forthethirdgenerationbollworm.PredatorpopulationdensityinTrichogrammareleasedareawas4.0329.36timeshigherthanthatinchemicalcontrolarea.KEYWORDSartificialeggsTrichogrammachilonisHelicoverpaarmigera9