秋季大白菜、萝卜、甘蓝、菜花等蔬菜,由于高温多雨的气候特点,病虫害发生普遍,主要病害有软腐病、霜霉病、病毒病;虫害有蟋蟀、土蝗、蝼蛄、蚜虫、棉铃虫、甜菜夜蛾、烟粉虱、菜螟、菜青虫等。搞好秋菜的病虫防治,是生产高产、优质、无公害蔬菜的重要措施。秋菜病虫防治应坚持预防为主、综合防治的原则,采用农业防治为主,化学防治为辅的策略,下面介绍 Autumn cabbage, radish, cabbage, cauliflower and other vegetables, due to high temperature and rainy climate characteristics, pests and diseases occur generally, the main diseases are soft rot, downy mildew, virus disease; pests have crickets, soil locusts, sucking, aphids, cotton bollworm , Beet armyworm, whitefly, rice borer, cabbage worm and so on. Doing a good job pest control autumn vegetables, is the production of high yield, high quality, pollution-free vegetables an important measure. Autumn vegetables pest control should adhere to the prevention, the principle of integrated control, the use of agricultural control, chemical control, supplemented by the strategy described below