Vegetable virus disease has been serious in recent years, and new viral diseases have emerged. Familiar with the characteristics of viral diseases and understanding the laws of viral diseases is very necessary for prevention and treatment. Summary of the following is a few preventive measures:
1. Create an environment that is not suitable for the survival of viral diseases, and reduce the temperature and humidity. Mainly in the summer and autumn when planting, take corresponding measures to cool down and humidify, such as covering the shade net with vegetables, watering a small number of times.
2. While using pesticides for prevention and control, some insect nets can also be used to kill pests such as whitefly and thrips.
3. Which pesticide to prevent. Recommended agents are: Ningnanmycin, pyrimidine, amantadine, dextran. It is best to select some water agents or pesticides that are highly systemic. It should be taken care of when formulating, for example: morpholinium hydrochloride + nymidine.
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