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20％灭虫神是“九三”南京农科委研制的一种新型杀虫剂,具有胃毒、触杀,低毒安全等特点。为了摸索灭虫神对菜青虫不同龄期的防治效果及使用剂量,1997年我们在江宁县东山镇章村队蔬菜队和雨花区西善园艺场进行了试验,取得显著效果,为大面积推广应用提供了依据。现将结果报告如下。 一、材料与方法 （一）供试药剂: 1、20％灭虫神乳剂（“九三”南京农科委供） 2、0.1％克螨灵可湿性粉剂（南京保丰农药厂） 3、5％氯氰菊酯（徐州铜山农药厂） 4、5％多虫净（江苏农药研究所） 5、48％乐斯本乳油（美国陶氏益农公司） （二）试验处理、小区设计及调查方法 1、试验处理 （1）防治1-2龄幼虫试验 江宁县供试作物为
20% pest control god is “93” Nanjing Agricultural Science and Technology Commission developed a new type of insecticide, with stomach poisoning, touch and kill, low toxicity and safety features. In order to explore the pest control of Pieris rapae at different stages of the control effect and dose, in 1997 we Jiangling County team Zhangchang village team vegetables and Yuhua District West good horticultural field was tested and achieved remarkable results for large-scale promotion Application provides the basis. The results reported below. I. Materials and Methods (I) Test Agents: 1,20% pest control lotion (provided by the “93” Nanjing Agricultural Science Commission) 2, 0.1% mite mite WP (Nanjing Baofeng Pesticide Factory) 5% Cypermethrin (Xuzhou Tongshan Pesticide Factory) 4,5% Insecticide (Jiangsu Pesticide Research Institute) 5,48% Loxostain (Dow AgroSciences Company) (II) Test Treatment, Community Design and Survey Method 1, test treatment (1) prevention and control of 1-2 instar larvae Jiangning County for the trial of crops