天津地区水稻二化螟绿色防控试验

Science and Technology of Tianjin Agriculture and Forestry（2018）

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Abstract

本文以水稻二化螟为防治对象,设杀虫灯、性诱剂、赤眼蜂、BT制剂4个绿色防控处理,与对照化学防治进行比较试验.结果表明,在水稻二化螟中等发生年份,4个绿色防控措施与化学防治比较没有明显差异,产量以化学防治最高,与BT制剂产量相当,但比杀虫灯诱杀增产66.53 kg·(667 m2)-1.效益分析表明,绿色防控售价高于化学防治0.8元·kg-1.5个处理中,效益最高的为BT制剂防治,最低的为化学防治,绿色防控比化学防治增效236.4～441.8元·(667 m2)-1.

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