黄瓜黑星病(又称霉病或疮痴病)是近几年发生的新病害,在东北三省均有发生并有继续蔓延的趋势。丹东地区个别菜田发病率达90％以上,减产78％,给菜农造成很大的经济损失。为此,我们从1983年以来,对该病的发生规律及防治方法进行了研究。一、症状特点 Cucumber scab (also known as mold or soreness) is a new disease that has occurred in recent years and has occurred and continues to spread in the three northeastern provinces. The incidence of individual vegetable fields in Dandong is more than 90%, with a yield reduction of 78%, causing great economic losses to vegetable farmers. To this end, we from 1983, the incidence of the disease and prevention methods were studied. First, the symptoms