The latest prevention and control measures of strawberry virus disease

Strawberry virus disease is a kind of disease which is difficult to control during strawberry growing period, which often brings great economic losses to farmers, so farmers should strengthen the prevention and control measures of this disease. Let's take a look at the symptoms, causes and prevention measures of strawberry virus disease with the editor.

1. Occurrence of symptoms

After strawberries are affected by a single virus disease, the symptoms are often not obvious. Often after being co-infected by a variety of viruses, it will show some symptoms, such as weak growth, degradation, inadequate expansion of new leaves, dull leaves, green and yellow leaves, wrinkled and twisted leaves, dwarfing plants, less fruit setting, low fruit yield and so on. The common symptoms of strawberry virus disease are strawberry mottle virus, strawberry mild yellow edge virus, strawberry vein mosaic virus and strawberry wrinkle virus. The four symptoms are different, but often lead to the decline of strawberry yield and quality.

2. The cause

Strawberry virus disease is caused by many reasons, first of all, the seedlings have the virus when they are planted, and they continue to multiply on the seedlings. When the environment is uncomfortable, they will quickly get sick, and they will also pick up the soil and water to infect other plants. In addition, aphids, thrips, Bemisia Tabaci, nematodes and other pests can also spread viral disease vectors, when harming strawberry plants, may also spread incorrectly, when the virus disease is difficult to control the most important reason, as long as there are pests, it can continue to spread. In addition, high temperature and drought environment is also very easy to induce virus disease, high temperature and drought environment will cause poor plant growth, plant resistance decline, very easy to be infected with virus disease.

3. prevention and control measures

In seed selection, disease-resistant varieties should be selected, non-toxic seedlings should be planted, diseased seedlings should be strictly eliminated when they are caused, and should not be introduced from seriously diseased areas or seriously diseased fields. Field inspection should be strengthened after planting, and diseased plants should be pulled out and burned as soon as they are found. In the early stage of the disease, began to spray, the commonly used agents are Zhanling emulsion, Dukexing hydrochloride morpholine guanidine hydrochloride copper wettable powder, prevention and treatment every 10-15 days, continuous 2-3 times. In addition, it is necessary to control aphids from the seedling stage, and it is best to choose botanical insecticides to control aphids in greenhouse to harm pollinated bees.

The above is the introduction of strawberry virus disease prevention and control measures, hope to help you, want to know more related knowledge, please follow us.