以往防治蚜虫的多种药剂均有一定的局限性，新型农药“百虫丹”则具有高效、广谱、实用的特点。为明确“百虫丹”对蚜虫的防治效果，我们以桃蚜为防治对象，进行了试验。１　材料与方法试验在徐州市果树站良种繁育中心进行，供试品种为３年生蟠桃。药剂为５０％“百虫丹”可湿 Aphids in the past a variety of agents have some limitations, a new type of pesticides, “Insects Dan” is an efficient, broad-spectrum, practical features. In order to clarify the control effect of “Chongzhiban” on aphids, we conducted experiments with Myzus persicae as control object. MATERIALS AND METHODS Tests were carried out in the Fruit Breeding Center of Xuzhou Fruit Tree Station. The test varieties were peaches of 3-year-old. Pharmacy is 50% “red worm” is wet