论文部分内容阅读
冬季大棚内的湿度过大,棚室蔬菜病害就会相继发生,其中以灰霉病和霜霉病发生最为严重。菜农朋友们通常采用的方法是喷施化学药剂进行防治,但是使用喷雾器喷洒药剂时容易出现水雾,造成棚室内湿度过大,这样做往往在防病的同时也为病害的发生创造了条件。
In winter, the humidity inside the greenhouse is too large, the greenhouse vegetable diseases will occur one after another, of which gray mold and downy mildew are the most serious. Vegetable farmers friends usually use the method is to spray chemical agents for prevention and treatment, but when using sprayer sprays prone to water mist, resulting in greenhouse indoor humidity is too large, this often prevent disease but also to create the conditions for the occurrence of the disease.