黄瓜黑星病是我国北方黄瓜生产上发生的一种毁灭性病害。据初步调查,辽宁省有13个市46个县(区)发生此病,受害面积近10万亩,黄瓜受害率一般为50～60%,重者高达80～90%,甚至绝收。仅辽宁省每年至少减产黄瓜2亿公斤。袁美丽等(1986)报道,吉林省的长春市、辽源市、浑江市的保护地黄 Cucumber scab is a devastating disease that occurs in the production of cucumber in northern China. According to the preliminary investigation, the disease occurred in 46 counties (districts) of 13 cities in Liaoning Province, with an area of ​​nearly 10 million mu. The cucumber damage rate is generally 50-60% and the weight is as high as 80-90%. At least 200 million kilograms of cucumber were cut in Liaoning Province alone at least annually. Yuanmei Li et al (1986) reported that in Changchun City, Jilin Province, Liaoyuan City, Hunjiang Hu Di Huang