马铃薯晚疫病是马铃薯产区发生最普遍和最严重的真菌性病害 ,是具有毁灭性的病害 ,在大流行年份常造成马铃薯的绝产。因此世界各国专家都把马铃薯晚疫病作为马铃薯生产上的第一个最重要的病害。马铃薯晚疫病的防治以选育抗病品种为主 ,并结合药剂防治措施 ,以期达到控制马铃薯晚疫病发生的目的 Late blight is one of the most common and serious fungal diseases in potato producing areas. It is a devastating disease that often results in the abortion of potatoes during the pandemic year. Therefore, experts from all over the world regard potato late blight as the most important disease in potato production. The prevention and treatment of potato late blight is mainly to breed disease-resistant breeds, combined with the control measures, in order to achieve the purpose of controlling the occurrence of late blight in potato