近几年来,乐果、敌敌畏等农药,对茶园虫害的防治效果,反映不一,而且用药浓度普遍偏高。今年我们引进新农药杀灭菊酯,并于七月作防治小绿叶蝉的比较试验,现将试验结果述下。 一、材料与方法 1.供试农药:20％杀灭菊酯,40％乐果和80％敌敌畏。 2.地点:仙游县园庄公社大埔茶场后埔茶 In recent years, dimethoate, dichlorvos and other pesticides, the prevention and control of tea plantation pests, different, and the drug concentration is generally high. This year we introduce new pesticides to kill pyrethrins, and in July for the control of small leafhopper comparative test, the test results are described below. First, the material and methods 1 test pesticides: 20% fenvalerate, 40% dimethoate and 80% dichlorvos. 2. Location: Xianyou County commune Tai Po Chachang Houpu tea