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1、中國(guó)水稻科學(xué)(犆犺犻狀犑犚犻犮犲犛犮犻),2010,24(5):503~508http://www.ricesci.cnDOI:10.3969/j.issn.10017216.2010.05.010503甲維鹽微乳劑藥液在水稻葉面的行為分析范鵬1,2顧中言1,徐德進(jìn)1許小龍1徐廣春1(1江蘇省農(nóng)業(yè)科學(xué)院植物保護(hù)研究所,江蘇南京210014;2揚(yáng)州大學(xué)園藝與植物保護(hù)學(xué)院,江蘇揚(yáng)州225009;通訊聯(lián)系人,Email:guzy@jaas.ac.cn)ActionAnalysisofDropsofEmamectionBenzoateM
2、icroemulsiononRiceLeafFANPeng1,2,GUZhongyan1,,XUDejin1,XUXiaolong1,XUGuangchun1(1犐狀狊狋犻狋狌狋犲狅犳犘犾犪狀狋犘狉狅狋犲犮狋犻狅狀,犑犻犪狀犵狊狌犃犮犪犱犲犿狔狅犳犃犵狉犻犮狌犾狋狌狉犪犾犛犮犻犲狀犮犲狊,犖犪狀犼?duì)闋顮纾玻保埃埃保?,犆犺犻狀犪;2犆狅犾犾犲犵犲狅犳犎狅狉狋犻犮狌犾狋狌狉犲犪狀犱犘犾犪狀狋犘狉狅狋犲犮狋犻狅狀,犢犪狀犵狕犺狅狌犝狀犻狏犲狉狊犻狋狔,犢犪狀犵狕犺狅狌225009,犆犺犻狀犪;犆狅狉狉犲狊狆狅狀犱犻狀犵犪狌狋犺狅狉?/p>
3、犈犿犪犻犾:犵狌狕狔@犼?duì)釥釥螅疇釥悖疇銧睿疲粒危校澹睿?,GUZhongyan,XUDejin,etal.Actionanalysisofdropsofemamectionbenzoatemicroemulsiononriceleaf.ChinJRiceSci,2010,24(5):503508.犃犫狊狋狉犪犮狋:Surfacetensionandspreadingcharacteristicsofdropsof0.5%emamectionbenzoatemicroemulsion(ME)onriceleafwerestudi?/p>
4、datconcentrationsof0.78-12.50mg/L.ResultsshowedthatthesurfacetensionsofemamectionbenzoateMEat1.56,3.12,6.25and12.50mg/Lweresmallerthanthecriticalsurfacetensionofriceleaf.Thecontactanglesofthedropsofthesesolutionsweredifferentwhenthedropsweredroppedontoriceleaf.However,as
5、timewenton,thecontactanglediminished,andthediminishingspeedincreasedwithrisingconcentration.Finally,thedropsthatthesurfactantreachedtheCMC(criticalmicelleconcentration)inthesesolutionsat3.12,6.25and12.50mg/Lspreadcompletely,whereasthedropsthatthesurfactantdidnotreachtheC
6、MCinthesolutionat1.56mg/Lcouldnotspreadcompletely.ThesurfacetensionsofemamectionbenzoateMEweresmallerthanthecriticalsurfacetensionofriceleafat1.56-100mg/Lwhilethesurfacetensionofthesameconcentrationofemamectionbenzoateemulsifiableconcentrate(EC)weregreaterthanthecritic
7、alsurfacetensionofriceleaf,andthedynamicretentionoftheformeronriceleafwassignificantlygreaterthanthelatter.Potexperimentshowedthatunderthesameconcentration,emamectionbenzoateMEshowedanimprovedprotectingeffecton犆犺犻犾狅狊狌狆狆狉犲狊狊犪犾犻狊comparedtoemamectionbenzoateEC.Ittestifiest
8、hatmicroemulsioncouldimprovephysicalandchemicalpropertiesoftheagentsfromtheperspectiveofefficacy