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利用两种无公害农药喷雾防治杨扇舟蛾 ,既符合环保要求、效果也理想。其中 1%的海正灭虫灵 (阿维菌素 ) 40 0 0倍液、60 0 0倍液、80 0 0倍液 2 4小时害虫校正死亡率分别达到 10 0 %、97.4%、89.4% ,2 0 %大力士 (吡虫啉 ) 40 0 0倍液、5 0 0 0倍液、60 0 0倍液 72小时害虫校正死亡率分别达到 90 .4%、89.5 %、87.0 %。生产中可大力推广 1%海正灭虫灵 60 0 0倍液、80 0 0倍液树冠喷雾防治杨扇舟蛾。
The use of two pollution-free pesticide spray control Sparrow Moth, both in line with environmental requirements, the effect is also ideal. The corrected mortalities of 10%, 100%, 97.4% and 89.4% of 1% Haizheng pest control (Abamectin) 40 0 0 times, 60 0 0 times and 80 0 0 times 2 4 hours respectively, , 20% Hercules (imidacloprid) 40 0 0 times, 5 0 0 0 times, 60 0 0 times 72 hours, the corrected mortality of pests reached 90.4%, 89.5% and 87.0% respectively. Production can be vigorously promote 1% Haizheng pest control 60 0 0 times, 80 0 times the liquid canopy spray prevention Yangchuan moth.