黄瓜黑星病属于真菌性病害,是植物检疫的对象之一。除黄瓜根部外,此病也可侵染幼苗及成株的各个部位。瓜条染病初期流胶,渐成暗绿色凹陷斑,表面生有黑色霉层,病部呈现疮痂状,停止生长,形成畸形果,严重影响棚室和露地黄瓜的商品价值和经济效益。 一、预防措施 本着综合防治的原则,加强植物检疫,严禁其传播蔓延。加强田间管理,定植后至结瓜期间适当控制浇水。采用放风排湿,降低棚室内的湿度,减少 Scab is a fungal disease, is one of the objects of phytosanitary. In addition to cucumber roots, the disease can also infect seedlings and adult plants in various parts. Gualou early gel, gradually became dark green depression spot, the surface of black moldy layer, the Ministry appeared scabs, stop growing, the formation of deformed fruit, a serious impact on the greenhouse and exposed cucumber commodity value and economic benefits. I. Preventive Measures In line with the principle of integrated prevention and control, plant quarantine should be strengthened and the spread of the disease should be strictly prohibited. Strengthen field management, proper watering control after planting to fruiting period. Pai Pai Pai Shui, reduce indoor humidity, reduce