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首页> 中文期刊> 《华南农业大学学报》 >茶园主要天敌对4种害虫的空间跟随关系

茶园主要天敌对4种害虫的空间跟随关系

         
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为了合理保护和利用天敌，开展了潜山县茶园假眼小绿叶蝉Empoasca vitis、通草粉虱Dialeurodes citri、茶黄蓟马Scirtothrips dorsalis和茶蚜Toxopetera aurantii与其主要天敌之间空间关系的研究。运用地学统计学方法分析天敌和害虫空间变程，应用灰色关联度分析方法分析害虫与天敌变程的关联度，得出以下结果：与假眼小绿叶蝉空间跟随关系密切的前2位天敌是八点球腹蛛Theridion octomaculatum和斑管巢蛛Clubiona reichlini；与通草粉虱空间跟随关系密切的前2位天敌是八点球腹蛛和草间小黑蛛Erigonidium graminicolum；与茶黄蓟马跟随关系密切的前2位天敌是草间小黑蛛和八点球腹蛛；与茶蚜跟随关系密切的前2位天敌是异色瓢虫Harmonia axyridis和草间小黑蛛。%To protect and utilize natural enemies reasonably , spatial relationships between natural enemies and Empoasca vitis, Dialeurodes citri, Scirtothrips dorsalis and Toxopetera aurantii were investigated re-spectively in tea plantations in Qianshan , Anhui.The ranges of spatial dependence ( RSDs) of these pests and their natural enemies were calculated by GIS and the spatial relationships among natural ene -mies and four pests were analyzed using grey relational analysis .The results showed that two main natural enemies ( Theridion octomaculatum and Clubiona reichlini) had a close spatial following relationship with Empoasca vitis.The synthetic results demonstrated that two natural enemies ( Theridion octomaculatum and Erigonidium graminicolum) had a close sptial relationship with Dialeurodes citri, while two main nat-ural enemies of Scirtothrips dorsalis were Erigonidium graminicolum and Theridion octomaculatum in spa-To protect and utilize natural enemies reasonably , spatial relationships between natural enemies and Empoasca vitis, Dialeurodes citri, Scirtothrips dorsalis and Toxopetera aurantii were investigated re-spectively in tea plantations in Qianshan , Anhui.The ranges of spatial dependence ( RSDs) of these pests and their natural enemies were calculated by GIS and the spatial relationships among natural ene -mies and four pests were analyzed using grey relational analysis .The results showed that two main natural enemies ( Theridion octomaculatum and Clubiona reichlini) had a close spatial following relationship with Empoasca vitis.The synthetic results demonstrated that two natural enemies ( Theridion octomaculatum and Erigonidium graminicolum) had a close sptial relationship with Dialeurodes citri, while two main nat-ural enemies of Scirtothrips dorsalis were Erigonidium graminicolum and Theridion octomaculatum in spa-tial relationships .And the two close natural enemies of Toxopetera aurantii were Harmonia axyridis and Erigonidium graminicolum in space .

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