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前段时间由于台风的影响,广西局部地区出现了严重的洪涝灾害,各地农作物遭到不同程度的损失。台风雨过后,田间小气候有利于蔬菜、果树、茶等经济作物病虫害的发生为害,因此各地要做好洪涝灾后经济作物病虫害的调查和指导防治工作。1.蔬菜病虫。雨后高温高湿的田间小气候利于病虫繁殖为害,病原孢子萌发扩散,害虫发生集聚为害。瓜类霜霉病、白
Some time ago due to the impact of the typhoon, some serious floods in Guangxi occurred, all over the crop suffered varying degrees of loss. After the typhoon, the microclimate in the field is conducive to the occurrence of pests and diseases of cash crops such as vegetables, fruit trees and tea. Therefore, all localities should conduct investigations and guide the prevention and treatment of pests and diseases of economic crops after floods. Vegetable pest After the rain, the microclimate in the field with high temperature and high humidity is conducive to the propagation of pests and diseases, the proliferation of pathogenic spores and the accumulation of pests. Melon downy mildew, white