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进行了40.2%甲维·丙溴磷EC防治稻纵卷叶螟的试验研究。结果表明:该药剂对稻纵卷叶螟有较好的防治效果。药后10 d防效可达97.45%以上;药后10 d保叶效果可达96.97%以上,有效成分用量482.4 g/hm~2对水稻安全。
An experimental study on the prevention and control of Cnaphalocrocis medinalis with 40.2% carbaryl was conducted. The results showed that the agent had a good control effect on the rice leaf roller. The anti-efficacy was up to 97.45% on the 10th day after drug treatment. The leaf-holding effect reached 96.97% at 10 days after drug treatment. The effective amount of 482.4 g / hm 2 was safe for rice.