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应用毒·赤眼蜂防控水稻螟虫效果研究

Hubei Plant Protection(2023)

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Abstract
为推进水稻绿色防控技术的应用,本文开展了毒·赤眼蜂及科学用药技术防控水稻螟虫试验.结果表明,在水稻分蘖期悬挂毒·赤眼蜂杀虫卡,可有效降低二化螟、稻纵卷叶螟发生量,且水稻产量较不防治田增加40.4%,较农户自防田增收100.8元/667 m2.在前期悬挂毒·赤眼蜂杀虫卡的同时后期进行一次科学用药防治,可有效防控水稻主要病虫害,较不防治田增产49.8%,较农户自防田增收114.6元/667 m2,同时较农户自防田减少一次化学用药.综上,实际生产中可结合病虫测报数据,应用毒·赤眼蜂杀虫卡或毒·赤眼蜂杀虫卡+科学用药防控水稻螟虫.
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