【摘要】 系列试验证明 :锐劲特是水稻害虫多靶标防治中较好的防治药剂。 5 %锐劲特SC 60 0mL hm2对白背飞虱的防效同 2 5 %噻嗪酮WP 675g hm2 加 80 %杀虫单WP 75 0g hm2 基本一致 ;对褐飞虱的防效 ,其速效性及持效性显著居优 ;对 2代二化螟防治具有较好的效果 ,杀虫及保穗效果均明显高于杀虫单 ,差异显著 ;对稻纵卷叶螟、低龄稻苞虫的防治效果分别为 77 5 2 % ,97 62 % ;用量为 75 0mL hm2 时 ,对高龄稻苞虫的防治效果为 89 0 0 % ,可达一药多治的防治效果。更多还原

【Abstract】 Fipronil(regent) possessed a good efficiency for several rice pest insects of Homoptera and Lepidoptera. The efficiency of fipronil, 5% SC, 600 mL/hm 2, is similar to that of the mixture of both buprofezin, 25% WP, 675 g/hm 2 and molosultap, 80% WP, 750 g/hm 2, for white backed planthopper, Sogatella furcifera (Horvth), fipronil possessed more persistent, rapid efficiency than above mixture for brown planthopper, Nilaparvata lugents Stl, and the efficiency of fipronil is over that of monosultap for striped rice borer, Chilo suppressalis ( Walker). The efficiencies of fipronil are 77 52% for rice leaf roller, Cnaphalocrocis medinalis Guenée and 97 62% for rice skipper respectively.更多还原