“天王星”是美国FMC农药公司生产的广谱性杀虫杀螨新农药,今年我站参加了甘肃省“天王星”防治叶螨药效试验,其试验结果如下。一、试验材料及设计①天王星(美国FMC农药公司提供);②三氯杀螨醇(国产);③CK(对照)喷清水。试验在金塔县园艺场进行;参试的作物为:苹果、梨。试验面积苹果8亩、梨2亩;示范面积苹果28亩、梨32亩。试验在树 “Uranus” is a broad-spectrum insecticide and acaricide new pesticide produced by the United States FMC Pesticide Company. This year I participated in the efficacy test of “Uranus” against spider mites in Gansu Province. The test results are as follows. First, the test materials and design ① Uranus (the United States provided FMC pesticides); ② dicofol (domestic); ③ CK (control) spray water. The experiment was conducted in the Jinta County horticultural field; the tested crops were: apple and pear. Test area 8 acres of apples, pears 2 acres; demonstration area of ​​28 acres of apples, 32 acres of pear. Test on the tree