梨树锈水病是我国梨树上发现的一种新的细菌性病害,在春季湿度的条件下最易诱发该病的发生。现将其症状及防治方法介绍如下:一、症状识别锈水病主要危害梨树的主干和主枝,少数侧枝也会受害。发病初期无明显症状,到了后期可见皮孔、叶痕、伤口等处渗出锈色水珠,但枝干外表无病斑。削开皮层呈现淡红色并有红褐色小 Pear rust rust disease is a new bacterial disease found in pear trees in China, under the conditions of spring humidity most likely to induce the occurrence of the disease. Now the symptoms and prevention methods are described below: First, the symptoms identified rust water disease mainly pear stems and main branches, a few side branches will also suffer. Early onset no obvious symptoms, to the late visible lenticels, leaf marks, wounds, etc. seepage rust rust drops, but the appearance of branches without lesions. Cut the skin pale red and reddish brown