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进行了24.5%阿维.毒微乳剂不同使用剂量在稻纵卷叶螟不同龄期的施药试验。结果表明:24.5%阿维.毒微乳剂对水稻稻纵卷叶螟的防治效果很突出,在2龄期使用,1800ml/hm2、1500ml/hm2、1200ml/hm2、900ml/hm2防治效果分别达到93.23%、91.34%、88.46%、80.30%,最佳施用剂量是1200ml/hm2;在3龄期使用,1800ml/hm2、1500ml/hm2、1200ml/hm2、900ml/hm2防治效果分别达到89.46%、85.36%、73.70%、68.16%,最佳施用剂量是1500ml/hm2。
A 24.5% Avian. Microemulsion different doses of rice leaf roller in different age application test. The results showed that the 24.5% Avian microemulsion had a very good control effect on rice leaf roller, and the control effect of 1800ml / hm 2, 1500ml / hm 2, 1200ml / hm 2 and 900ml / hm 2 reached 93.23 The best dosage was 1200ml / hm2; the control effect of 1800ml / hm2, 1500ml / hm2, 1200ml / hm2, 900ml / hm2 reached 89.46%, 85.36% , 73.70%, 68.16%, the best dose is 1500ml / hm2.