1 试验材料及方法25%呋多种衣剂由天津北方种衣剂中试厂购进;大豆种子为一般生产用良种,所内为铁丰24,网点为辽86—5453,开育9及铁丰24等。以1∶80的药种比例将豆种用25%呋多种衣剂包衣后播种为处理。在播种时要注意不得与二铵等碱性肥料直接接触,以免烧种,可采用深施或侧施肥的方法。以没经过种子处理的一般生产田为对照。所内试验田每处理面积为480m~2,设2次重复。苗期害虫于5月初开始危害情况调查。所内调查为棋盘式采点,每 1 Test materials and methods 25% furosemide variety of seed dressing plant purchased from the pilot plant in northern Tianjin; soybean seed for the general production of seeds, which are Tietong 24, Liaodiao 86-5453 outlets, the development of 9 and iron Fung 24 and so on. To 1: 80 ratio of medicinal beans will be coated with 25% furosemide variety of seed coating for treatment. In the sowing should pay attention not to direct contact with diammonium and other alkaline fertilizers, in order to avoid burning seed, you can use deep or side fertilization methods. Take the general production field without seed treatment as a control. The experimental area of ​​each treatment area of ​​480m ~ 2, set 2 repeated. Seedling pests in early May began a hazard investigation. The survey is a checkerboard collection, each