蔬果净(0.5%楝素杀虫乳油)是西北农业大学张兴副教授等科研人员经多年研制而成,1992年10月通过鉴定,由西北农大无公害农药厂生产的一种植物质杀虫剂。经全国10余省、市143点不同生态条件的大田使用结果表明,对多种害虫高效而无公害,特别适用于防治蔬菜、果树、茶叶、烟草等经济作物害虫效果明显,现介绍如下:1 防治对象及防治效果1.1 蔬菜经两年10余省大田试验表明,可防治菜青虫、甘兰夜蛾、银纹夜蛾、小菜蛾、 Net fruit and vegetable (0.5% toosene insecticidal EC) is an associate professor of Northwest Agricultural University and other research staff after years of research and development, passed in October 1992 identified by the Northwest Agricultural University pollution-free pesticide plant produced a plant insecticide. The results of the field use of more than 10 provinces and 143 different ecological conditions in the country show that the pest of economic crops such as vegetables, fruit trees, tea leaves and tobacco is particularly effective against a variety of pests, and is as follows: 1 Control objects and prevention and treatment effects 1.1 vegetables after two years more than 10 provinces field trials show that Pieris rapae, cabbage Lantern, Spodoptera, diamondback moth,