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陆川县从1997年起大面积推广应用新型甲基杂环类杀虫剂-10%大功臣可湿性粉剂防治稻飞虱,防治效果十分显著。去年至今,全县推广应用大功臣防治稻飞虱面积51万亩,挽回稻谷损失2500万公斤,折算人民币3000万元,节约农药费用150多万元,合计增收3150万元。田间试验表明,大功臣对稻飞虱具有极高的杀虫活性,防治效果高达97.1%~100%,施药后30天调查防效仍达90.7%~96.6%,并对高龄飞虱若虫和成虫也表现较强杀伤力,同时它还具有杀虫快速、用药量少、操作简便和对天敌安全
Luchuan County since 1997, large-scale promotion and application of a new type of methylheterocyclic insecticide -10% heroic WP to control planthoppers, control effect is very significant. Since last year, the county popularized the application of big benches to prevent and control planthoppers, covering an area of 51,000 mu and saving 25 million kilograms of paddy, converting 30 million yuan, saving more than 1.5 million yuan of pesticide fees and increasing the total income by 31.5 million yuan. Field experiments showed that the culprit had a high insecticidal activity against planthoppers and the control effect was as high as 97.1% -100%. After 30 days of application, the control effect still reached 90.7% -96.6% Adults also show strong lethality, but it also has fast insecticidal, less dosage, easy to operate and safe for natural enemies