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本文报道了吡虫啉防治水稻稻飞虱和稻纵卷叶螟的应用结果。吡虫啉对稻飞虱有特效。在若虫高蜂期,每亩用10%可湿性粉剂10~30克,对水60克,药后1天防效在718~904%,药后3天达895~964%,药后30天防效维持在91~988%,持效期在30天以上。防效明显优于甲胺磷、噻嗪酮和杀螟虱(系噻嗪酮与杀虫单复配)。具有击倒力强和持效期长的特点。
This paper reports the application of imidacloprid in the control of rice planthoppers and rice leafroller. Imidacloprid has effects on planthoppers. In the nymphs high bee period, per mu with 10% wettable powder 10 to 30 grams, 60 grams of water, 1 day after the anti-drug effect in 71 8 ~ 90 4%, 3 days after the treatment of 89 5 ~ 96 4%, 30 days after drug control effect was maintained at 91 to 98 8%, duration of more than 30 days. Control effect was significantly better than methamidophos, buprofezin, and tick killer (Department of buprofezin and insecticide single complex). With knockdown strong and long-lasting characteristics.