【摘要】 试验结果表明,多虫克对稻纵卷叶螟、褐飞虱、三化螟具有较好的防治效果,是水稻害虫总体防治的理想药剂。9%多虫克乳油50ml/667m2对稻纵卷叶螟的防治效果达95.1%,与甲胺磷相当;对褐飞虱的防治效果达93%以上,持效期长达40d,与噻嗪酮、吡虫啉相当。9%多虫克乳油100ml/667m2对三化螟的防治效果达90.9%,与高效氯氟氰菊酯相当,比甲胺磷提高18.4%。更多还原

【Abstract】 The results showed that control efficacy of Duochongke to insect pests of rice was good . The efficacy of Duochongke(50ml/667m2) to Cnaphalocrocis medinalis may reach 95.1% and had almost the same effect as methamidophos. The efficacyof Duochongke(50ml/667m2) to Nilaparvata lugens being equal to buprofezin’s and imidacloprid’s was more than 93% andeffective control time was 40 days. The control efficacy of Duochongke(100ml/667m2) to Tryporyza incertulas was 90.9% andhad almost the same effect as cyhalothrin and increase 18.4% than methamidophos.更多还原