双效灵是江苏省建湖县化工厂生产的一种高效低毒杀菌剂,该厂介绍此药防治瓜类枯萎病效果好。因此,笔者为验证其效果、在西瓜上进行了防病试验,巳初获结果,归纳于下。材料与方法该试验共设五个处理和一个空白对照,即10%双效灵为三个不同剂量处理,分别是 Shuangxiling is a high efficiency and low toxicity fungicide produced by Jianhu County Chemical Plant in Jiangsu Province. The plant introduced the drug to prevent and cure melons wilt effectively. Therefore, in order to verify its effect, the author conducted a disease-prevention test on watermelon and the results were initially summarized and summarized in the following. MATERIALS AND METHODS The experiment consisted of five treatments and a blank control, ie, 10% double effect treatment for three different doses, namely