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为探索防治白背飞虱Sogatella fureira Ho-rvath效果较好而对天敌杀伤较小、成本较低、简便易行的理想农药,对10种农药及其混用观察结果表明:20％双效磷水剂(贵阳孟关农药厂产品),50％杀螟松乳剂(武汉农药厂)、40％乐果乳剂(山东张家农药厂),50％马拉硫磷乳油(上海农药厂)、40％多灭灵乳剂(贵阳孟关农药厂)、20％速灭杀丁乳油(日本住友化学工业株式会社)等,浓度为1:1000倍液,50％杀虫双水剂(南京军区农药厂)1:250倍液,40％稻瘟净乳剂(北京农药一厂)1:500倍液,10％叶蝉散可湿性粉剂(浙江余杭临平东农药厂)亩用400克,加灰沙30公斤,甲敌粉(贵阳孟关农药厂)亩用1公斤加灰沙30公
In order to explore the ideal pesticides for controlling Sogatella fureira Ho-rvath, which is less harmful to natural enemies and has lower cost and easy to operate, the results of 10 pesticides and their mixtures showed that 20% 40% Leo Emulsion (Shandong Zhangjia Pesticide Factory), 50% Malathion EC (Shanghai Pesticide Factory), 40% Lemongrass (Shanghai Pesticide Factory) Multi-off Ling emulsion (Guiyang Mengguan Pesticide Factory), 20% speed kill Ding EC (Japan Sumitomo Chemical Co., Ltd.), the concentration of 1: 1000 times, 50% pesticide Shuangshui (Nanjing Military Region Pesticide Factory) 1: 250 times, 40% rice blast net emulsion (Beijing Pesticide Factory) 1: 500 times, 10% leafhopper Powder WP (Zhejiang Yuhang Linping East Pesticide Factory) with 400 grams of mu, plus gray sand 30 Kg, A rival powder (Guiyang Mengguan Pesticide Factory) mu with 1 kg plus gray sand 30 公