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蔬菜浸染性病害按照病原寄生物的不同分为真菌性病害、细菌性病害和病毒性病害。这三大病害常对蔬菜生产造成重大损失。分清这三种病害对于防治,特别是药剂防治来说是十分重要的。一、真菌性病害由真菌引起的蔬菜病害可表现出典型病斑,腐烂、萎蔫等症状。在发病部位可看到蜘蛛状或絮状的菌丝体,有的还有菌核等菌丝体的变态。在发病部位表面长有各种霉状物是识别真菌性
Vegetable dipping disease in accordance with the different pathogenic parasites are divided into fungal diseases, bacterial diseases and viral diseases. These three diseases often cause heavy losses to vegetable production. To distinguish between the three diseases for the prevention and treatment, especially for the prevention and treatment of chemicals is very important. First, the fungal diseases caused by fungal diseases of vegetables can show the typical lesion, decay, wilting and other symptoms. In the incidence of the site can be seen spider-like or flocculent mycelium, and some also mycorrhizal mycelium metamorphosis. There are various molds on the surface of the disease site to identify fungal