晚疫病又称疫病,是一种流行性强、破坏性大的病害,是大棚番茄生产中的主要病害之一,常造成减产20%～30%,严重时可全部毁灭。72%锰锌·霜脲可湿性粉剂是浙江经纬集团华兴化工有限公司生产的杀菌剂,为明确该药剂对番茄晚疫病的最佳使用剂量和防治效果,2004年11月在大棚番茄上进行 Late blight is also called epidemic disease. It is a kind of epidemic and destructive disease. It is one of the main diseases in the production of tomato in greenhouse. It often causes 20% -30% loss of production and serious destruction. 72% manganese zinc · cream urea wettable powder is Zhejiang Jingwei Group Huaxing Chemical Co., Ltd. production of fungicides, in order to clarify the agent on the tomato late blight the best dose and control effect, in November 2004 in the greenhouse tomato