An object of the present invention is to provide a method for controlling speckle bacterial disease that can achieve a high control effect without using a chemical agent. The method for controlling spot bacterial disease of the present invention is a method for controlling spot bacterial disease in which nano-bubble water is applied to a plant.本發明的課題在於提供一種即便不使用化學藥劑亦可達成高防治效果的斑點細菌病的防治方法。本發明的斑點細菌病的防治方法為將奈米氣泡水施用於植物體的斑點細菌病的防治方法。
