天气预报 > 生活 > 番石榴怎么预防果蝇虫
番石榴怎么预防果蝇虫
更新时间: 2021-11-11 09:58:41  

一、果园内及时清理受害果及落果,集中处理(可深埋、焚烧)。

二、在番石榴园内用专用性诱剂和诱捕器诱杀雄性成虫,可起到诱杀大量雄性成虫而减少雌雄交配产卵数量的作用,及时压低虫源。诱捕器每亩番石榴园需放5个,每个诱捕器内放进性诱剂进行诱捕雄性成,性诱剂每20-25天添加一次。

三、在果实蝇成虫发生量大的果园可选用80%敌敌畏乳油1000倍、90%晶体敌百虫800倍或4.5%高效氯氰菊酯1500倍液均匀喷雾。

四、对番石榴果实进行套袋保护。

关键词: 番石榴 怎么 预防

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