苹果树腐烂病(Valsa mali Miyale et Yamada)是我国北方苹果产区的重要病害,目前许多地方病情仍重.加强此病的防治,控制病情发展,对于保护果树正常生长,丰产稳产,至关重要.防治腐烂病应以预防为先,即首先要采取有效措施预防发病,并继以及时进行治疗,才能收到逐步压低发病率、控制为害程度和降低病害损失的效果.近年来许多研究单位为此进行工作,对发病规律有了进一步的了解,提出了一些新的防病办法,改进了原有的防治措施,如把这些办法付诸实 Valsa mali Miyale et Yamada is an important disease in the apple-growing area in the north of our country and many conditions are still serious at present.It is very important to strengthen the prevention and control of the disease and to control the development of the disease so as to protect the normal growth and yield of fruit trees Prevention of rot disease should be prevention first, that is, we must first take effective measures to prevent the disease, followed by timely treatment in order to receive gradually reduce the incidence, control the degree of harm and reduce the effect of disease loss.In recent years, many research units This work, the incidence of a better understanding of the law, put forward some new preventive measures to improve the original prevention and treatment measures, such as putting these methods into practice