蔬菜病虫害直接影响着蔬菜生长发育,产品品质、产量和经济效益。因此,搞好蔬菜植保工作,是增产增收,保证蔬菜供应的主要措施之一。蔬菜保护地生产,温湿度不好控制,若是连年重茬,病虫害更容易发生为害,故保护地蔬菜的病虫害防治则更为重要。下面介绍几种蔬菜主要病虫害的发生及防治。 Vegetable pests and diseases directly affect the vegetable growth and development, product quality, yield and economic benefits. Therefore, doing a good job in plant protection of vegetables is one of the major measures to increase production and income and ensure supply of vegetables. Vegetable production in protected areas, the temperature and humidity control is not good, if successive successive cropping, pests and diseases more prone to harm, so the protection of pests and diseases of vegetables is even more important. The following describes the occurrence of several major vegetable pests and prevention.