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5%环虫酰肼SC防治水稻二化螟效果及应用技术

ZHAO Kuoli,ZHANG Yumei,YAO Jun

World Pesticides(2020)

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Abstract
为明确5%环虫酰肼SC对水稻二化螟防治效果及使用技术,试验采用茎叶喷雾法防治水稻田二化螟.试验结果表明:5%环虫酰肼SC 1050、1350、1650 mL/hm2,采用二次稀释法,兑水675 kg/hm2,在水稻二化螟低龄幼虫盛期均匀喷雾,同时田间保持3~5 cm水层5~7 d,二化螟为害定型后调查防治效果分别达86.32%、91.01%、95.53%,都显著高于对照药剂1.8%阿维菌素ME 600 mL/hm2的防效,且对水稻和天敌安全.5%环虫酰肼SC持效期长,防治效果好,是防治水稻二化螟的较好药剂.
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