随着农业结构调整,我市蔬菜、瓜果等经济作物的产量、产值逐年增加。尤其是因番茄种植效益较高,其种植面积连年递增,现已大面积种植。番茄早疫病为番茄常见病害,常年造成经济损失,为探索对番茄早疫病的防治技术,2004年10月我们利用64%福锌.氢氧可湿性粉剂、80%代森锌等进行田间 With the adjustment of agricultural structure, the output and output of economic crops such as vegetables and fruits in our city have been increasing year by year. In particular, due to the high benefit of tomato planting, its planting area has been increasing year after year and is now planted in large areas. Early blight of tomato is a common disease of tomato and causes economic loss all the year round. In order to explore the prevention and control of early blight of tomato, in October 2004 we used 64% Fu zinc, wettable powder and 80%