青菜病毒病是上海菜区秋季的主要病害之一。1972～1976年,田间发病率一般在30～50%,严重田块高达90%以上。直接影响了社队生产和市场供应。为了探索蚜虫发生种类、消长情况与病毒病发生的关系,我组在1976～1978年作了系统的调查,结果如下:一、蚜虫种类及传毒种类上海蔬菜品种多,茬口复杂,同时还受到周围棉粮地区蚜虫迁飞的影响。田间常见的蚜虫主要有桃蚜、菜缢管蚜、棉蚜、麦长 Greenhouse virus disease is one of the major diseases in Shanghai vegetable area in autumn. From 1972 to 1976, the incidence rate in the field was generally 30-50%, with severe fields reaching as high as 90% or more. A direct impact on the community production and market supply. In order to explore the occurrence of aphids species, the relationship between the growth and development and viral diseases, our group made a systematic survey from 1976 to 1978, the results are as follows: First, the aphid species and types of poisoning Shanghai vegetable varieties, crop complex, but also by Impact of aphid migration around the cotton-growing area. Common aphids in the field are peach aphids, vegetables Aphis gossypii, cotton aphids, wheat long