一、黄瓜△霜霉病 1.缺肥易助长本病发生,故应注意追肥。 2.过度中耕引起的断根会助长发病,应予注意。 3.进行整枝,使通风良好。 4.一旦确认发病,即用表1的药剂防治。△细菌性角斑病 1.为使温室等设施室内不致过湿,须加强通风换气,并且避免灌水过度。 2.用表2的药剂防治,露地栽培的生长前期重点预防。 First, the cucumber downy mildew 1 lack of easy to help the occurrence of this disease, it should be noted that the top dressing. 2. Broken roots caused by over-cultivation will contribute to the disease, should be noted. 3. Carry out pruning to ensure good ventilation. 4. Once confirmed the disease, that is, using Table 1 agents control. △ bacterial angular leaf disease 1. In order to make the greenhouse and other facilities indoors too wet, to enhance ventilation, and to avoid over-irrigation. 2. Table 2 with the chemical control, open-field cultivation of pre-emphasis prevention.