Spinach mosaic disease, also known as spinach virus disease, commonly occurring in the country, in recent years in many areas of the disease tends to be serious Pathogen: spinach virus disease is mainly caused by cucumber mosaic virus (CMV), turnip mosaic virus (TuMV) or beet mosaic virus (BMV), the three viruses alone or compound infestation can lead to the onset of the disease virus overwintering in spinach and vegetable weeds, the natural conditions in the field. mainly by aphids, such as peach aphids radish aphids bean aphids cotton aphids seedling in the event of drought and high-temperature climatic conditions conducive to the onset of early sowing plots heavier than late sowing plots near the cabbage radish and pepper plots heavier, insufficient fertilizer seedling growth of weak, the disease is also heavier prevention and control methods: ① clean field: found diseased plants should be pulled out in a timely manner, and pay attention to the removal of weeds in the field, in order to reduce the source of the disease ② strengthen the management: choose a well-ventilated, away from the cabbage radish pepper or cucumber plots planting, applying sufficient organic fertilizer to promote strong seedlings, appropriate late sowing, high temperature and drought should pay attention to more watering ③ prevention and control of aphids: the field can be spread hanging silver gray film to avoid aphids, aphids occurring, especially aphids migratory period, pay attention to the timely use of medication ④ pharmaceutical prevention and control: the early stages of the disease sprayed with 1.5% Phytophthora emulsion 1,000 times, antitoxic agent No. 1 300 times, once every 10 days, continuously Prevent and control 2~3 times