Vegetable virus disease is one of the diseases that are more serious and difficult to cure in the process of vegetable cultivation. In addition to harming vegetable plants, it can also harm vegetable fruits and reduce yield, especially tomato diseases such as tomatoes and peppers. To prevent and control the degree of hazard, vegetable farmers should pay special attention to virus diseases when planting vegetables. Next, Xiaobian will briefly talk about the symptoms and prevention of vegetable virus diseases, and hope to help everyone. First, vegetable virus disease 1, discoloration The anthocyanins of flowers become green or variegated due to viral diseases, and tobacco mosaic disease is common. 2. Necrosis When the virus is seriously jeopardized, the leaves will show necrotic spots, necrotic rings and vein necrosis, and necrosis of stems and fruits. 3, deformity Plant or fruit deformation, plant dwarfing, leaf blistering, curling and other symptoms. Second, vegetable virus disease prevention and treatment points 1, pay attention to enhance plant resistance It is possible to spray chitin and linolein to enhance the resistance of the vegetable leaf surface to prevent viral diseases. 2, some viral diseases are easy to mix bacteria In the face of bacterial viruses that are frequently mixed, such as stripe virus disease, virus agents and bacterial agents can be mixed and used for better control. 3, pay attention to supplement trace elements For example, vegetable yellowing virus and fern leaf virus are caused by the lack of trace elements such as iron and zinc. Therefore, in the process of planting vegetables, it is necessary to supplement trace elements in time. 4, pay attention to medication For fields with severe viral diseases, a systemic drug is used every 5-7 days for three consecutive uses. 5, must pay attention to field operations a. Pathways of viral diseases: wound transmission and insect transmission. b. Wrong field management can also lead to a large number of virus diseases in greenhouses, such as slings, fruit picking, and leaf picking. c. For the diseased vegetable plants to be labeled and managed, they can also be pulled out directly outside the shed. 6, do not plant a large number of vegetables susceptible to viral diseases around the shed For example, when peppers are planted in cucumbers in greenhouses, it will lead to viral diseases, and it is also necessary to avoid growing papayas. 7, pay attention to grasp the critical period of prevention of viral diseases In the process of vegetable planting, the seedling stage and the middle stage of growth are the period of viral disease, so it is necessary to take precautionary measures in advance. 8, choose to plant anti-virus varieties 9, high temperature, drought is the pathogenesis of viral diseases In hot and hot weather, it is necessary to set up a awning shade. When watering, avoid flooding with large water. 10. When harvesting the clearing garden, the vegetable planting should be removed and the roots should not be left in the soil. Waist Support Belt,Waist Back Support Belt,Waist Support Band,Medical Waist Support Belt XIAMEN DORRELLA HEALTH TECHNOLOGY CO.,LTD , https://www.dinglimed.com
