黄瓜黑星病是我省1988年确定的检疫对象,除为害黄瓜外,还侵染西胡芦,南瓜、甜瓜、冬瓜等。该病是一种真菌性病害。病源菌从叶片、果实、茎蔓的表皮直接穿透或从气孔和伤口侵入蔓延,潜育期随温度而异,一般棚室为3～6天,露地9～10天。黄瓜种子带菌形成远距离传播,其带菌率随品种、地点而异,最高可达37％。病菌以菌丝体随病残组织在土壤中越冬,也可以分生孢子附着在种子表面,病残物及支柱等处越 Cucumber scab is the province in 1988 to determine the quarantine object, in addition to the cucumber damage, but also the West Hulu, pumpkin, melon, melon and so on. The disease is a fungal disease. Pathogenic bacteria from the leaves, fruits, stems of the epidermis directly penetrate or stomatal and wound invasion spread, incubation period varies with temperature, the general studio for 3 to 6 days, 9 to 10 days to open. Cucumber seed carriers form long-distance transmission, the carrier rate varies with variety, location, up to 37%. Pathogens mycelium with the disease residual tissue in the soil overwintering, you can also conidia attached to the surface of the seeds, sick and pillars and other places