湖南省茶葉農(nóng)殘調(diào)查及防治茶尺蠖藥劑篩選研究.pdf

1、分類號(hào)UDCt，Y9322l‘密級(jí)——湖南農(nóng)業(yè)大學(xué)碩士學(xué)位論文湖南省茶葉農(nóng)殘調(diào)查及防治茶尺蠖藥劑篩選研究r11髓pesticideresidueconditioninHunanandscreeIlinghighinsecticidesagainsttlleJElcfr9p婦D易fiqHPProm研究生姓名韭壹艷指導(dǎo)老師湮溘葒數(shù)攫學(xué)科專業(yè)壅些昆蟲與害蟲隨漁研究方向昆蟲生查與佳物丞公害生主提交論文日期!塑丘量塑答辯委員會(huì)主席益當(dāng)娃學(xué)位授予日

2、期——二00六年五月答辯日期塑蠡基垃論文評(píng)閱人袁絲翊!美蠟ⅡAbstractTeapm血ctionwasseriouslyresmctcdbytlleh培hpesdcideresiduelevelhordcrto雒ccrtaintllepes6cidercsidueofigiIl，wedctected680teasa珈【plesinHunanprovince，協(xié)eresultswereasfollows：1Residueof156％sa

3、mpleswerehigher血aIlt11eirMRLingrcentea，and261％s鋤pleswerehlgher血blacktea2S421，F(xiàn)cIlvalemte，F(xiàn)eIIpropa嘶in，Esfbnval鼬teweresefiousand蚰iVersaliIlHunan3。ThedetectedrateofS42liIlⅡlenomlteaareawas25。57％。Itwasalsohighineastteaareao

4、fHunan，Esfenvalemtewastllesecond，thed刪edratewas795％Esfenvaleratewas血ellighestince重時(shí)alHunan，血edetectedratewas739％，mesecondwasF色nvalefate。witll也e5。兒％detectedrate4Fenvale豫te，Es矗獸nValentewerealldetectcdill14骶shleafsamples，bu

5、tbelowtlleirMRLThe腳婦曲z柳ePfoutisam萄orteapestinHunaIl，ThepeststatllshaSincrcascdreccntlyinvariousareas0fHlmanItisVerydifncuhtoco曲『olbecauseofitsrcsista|1cetoactionofpestiddeThescreeniIlgofhighi璐ecticidcsagainstme腳掃D6矗鰣ePro

6、utwerestudied1LaboratorystudieswerecarriedoutOntlleto)【icityoffif把eninsecticidesto3fdinstarlaⅣaeLC50’sshowedtllatO2％eIllaInec缸bellzoate，10％chlo疵napnO3％azadirachdnand5％hexanuazuronwerenlor_ee觚tiveonnle—＆腳括。掃矗IZ甜￡P(guān)rout，nlc

7、Lc50werc0475Ir蟣(48h)，9877IIⅦ兒(48h)，802mg，L(72h)and25954mg，L2m廿le矗eldthecon乜ole瓶ciencyofO2％emamec矗nbenzoateonme＆腳括06ff口“ePmutwas9599％astllispesticidewasdilutedto2000tiⅡ圯sand也eefficiencyof10％chlorf醯印yrwas8893％as也epesdcidew

8、asdilutedto2000timeS11hee丘ectof03％azadifachtinonEcf唧缸。掃洳懈Proutwasalso900d，whichat1000timesat15daySa腑sprayingwere9185％3nepesticidescrcenedabovewerehi班insecticidcsagainstme&frDp打曲f幻“已fhutThebestconcentradonof02％em砌ectinbeI