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1989—1990年用25％扑虱灵可湿性粉剂进行防治稻飞虱试验示范,深受广大稻农的欢迎。 1989年我县从湖北省植保站购扑虱灵13公斤,在九里乡杨桥村防治450亩,亩用药25—30克,5天后调查药效达90％,10天达95—100％,30天田间虫量也很少。如杨桥村4组社员邱克斌水稻制种5亩,共用扑虱灵120克,亩平28克,施药前(7月30日)百蔸虫1500头,施药后10天,在田间未查到稻飞虱,防治效果达100％。
From 1989 to 1990, 25% of propamocarb WP was used for demonstration of planthopper test and was well received by rice farmers. In 1989, the county purchased 13 kg of licerama from Hubei Plant Protection Station and 450 mu in Yangqiao Village of Jiuli Township. The dosage of 25-30 g mu was 90% after 5 days and 95-100% in 10 days. 30 days field insects are few. For example, Yang Qiaocun 4 members Qiu Kebin rice seed 5 mu, a total of 120 grams of buprofezin, mu flat 28 grams, before spraying (July 30) 100 beetle 1500, 10 days after application, in the field did not Find planthoppers, control effect of 100%.