【摘 要】
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进行25%甲维·茚虫威水分散粒剂防治2代纵卷叶螟药效研究,结果表明:其可有效防治水稻纵卷叶螟,最佳用药适期为1龄幼虫高峰期,适宜用量为150 g/hm2,杀虫和保叶效果可达90%以上
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进行25%甲维·茚虫威水分散粒剂防治2代纵卷叶螟药效研究,结果表明:其可有效防治水稻纵卷叶螟,最佳用药适期为1龄幼虫高峰期,适宜用量为150 g/hm2,杀虫和保叶效果可达90%以上,适宜推广应用。
The results showed that it could effectively prevent and cure the rice leaf roller, the optimum period for the first-instar larvae was suitable, The dosage is 150 g / hm2, insecticidal and leaf-holding effect of more than 90%, suitable for promotion and application.
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