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为了筛选出防治稻飞虱(白背飞虱与褐飞虱两种)的高效药剂,重庆市云阳县植保站技术人员于2012年6月25日(水稻分蘖盛期)在云阳县泥溪镇进行了25%吡蚜酮可湿性粉剂1125g/hm2、80%敌敌畏乳油1500g/hm2、25%吡蚜酮可湿性粉剂750g/hm2与80%敌敌畏乳油750g/hm2混配,对水900kg/hm2在水稻田间浅水层状态下喷施试验,研究了几种不同药剂和药剂组合对田间暴发性稻飞虱的防治效果。试验结果表明:喷施25%吡蚜酮可湿性粉剂
In order to screen out the effective pesticides against planthoppers (whitebacked planthopper and brown planthopper), the technicians of Plant Protection Station in Yunyang County of Chongqing Municipality, on June 25, 2012 (the peak period of rice tillering) 25% pymetrozine wettable powder 1125g / hm2, 80% dichlorvos EC 1500g / hm2, 25% pymetrozine wettable powder 750g / hm2 and 80% dichlorvos EC 750g / hm2 mixed with water 900kg / hm2 in Paddy field shallow water state spray test to study the effects of several different combinations of medicaments and pesticides on the outbreak of planthopper in the field. The test results show that spraying 25% pymetrozine wettable powder