黄色黏虫板对蜜柚白粉虱的诱杀效果初探

The Effect of Yellow Sticky Trap on Trialeurodes vaporariorumof Grapefruit Tree

为探讨黄色黏虫板对蜜柚白粉虱的诱杀效果,进行了不同防治方法试验。试验设置黄色黏虫板悬挂在柚树不同方位、不同高度以及不同的悬挂密度对白粉虱的诱杀试验,7d后调查单板诱虫数量。结果表明,黄色黏虫板悬挂在柚树西方位的诱杀效果最好,东面次之,生产中可优先选择这两个方位进行黄板悬挂;在3~4年的幼树上,不同悬挂高度之间的差异不显著;不同悬挂密度处理之间的单板诱虫量差异不显著,但是随着悬挂密度的增加单位面积内的诱虫总量随之增加,因此在虫量较大时可增加悬挂密度以提高防效。

In order to explore the control effect of yellow sticky trap on trialeurodes vaporariorum of grapefruit tree,different motheds were applied.The effect of yellow sticky traps at different directions,different heights and different suspension density in grapefruit tree on Trialeurodes vaporariorum was investigated after 7 days of application.The results showed that the best trapping orientation is the Western,followed by the Eastern.And this two orientations to hanging yellow sticky traps was priority to adopt in the production of grapefruit.There has no significant difference between suspension height and suspension density.But with the increase of luring suspension density,while the Trialeurodes vaporariorum amount increased,so the increase the amount of suspension density under large number of white fly could improve control efficiency.