扶桑绵粉玠在温室甘薯上的空间分布与抽样技术

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关键词扶桑绵粉；甘薯；空间分布；抽样技木中图分类号 S435.622 文献标识码A文章编号 0517-6611（2025）21-0146-04doi：10.3969/j. issn. 0517-6611. 2025. 21. 027

AbstractObjective]Toevaluatethepattrnofourrenceanddistributionofthismealybugonsweetpotatoingrenhouse.MethodTe spatialdistribtodregidesofnslesisoatoealdtoarifefdepansionofmealybugsanditssureysamplingmethod.ResultespatialdistributioofPenacoussolenopssonsweetpotatowasdsity dependent，nduldbeacterdbyatieinoalndso-bomaldistrtioshegetionidexsodatc cussolenopsisageaedoseoatoatdintpsdgeofaegdiedfcuItas criticalperiodfrothdleJulyttedofugustfotepopulationofnacossolenosistspreadfraggationtoseading distribution.The degree of population aggregation was positively correlated with the average number of insects.After regression analysis，diidalsacossleosscedchddalmpsofstrtsa thedensityissthan3.2eadspersureypoint（Oleaves），eagregatiowasmainlycausedbynvironmentalfactorsConusion] Thistudycarfdtatsatialdistrtioofecocussleosisogreouespoatasgatioialdte distribution，and provides technical support for field investigation and control of this mealybugs.

KeywordsPhenacoccus solenopsis;Sweetpotato;Spatial distribution;Sampling techniques

扶桑绵粉 Phenacoccus solenopsis Tinsley（Hemiptera：Pseudococcidae）是一种世界性害虫，最早于1898年在美国被发现，可为害棉花[1]。（剩余7195字）