Many farmers' friends apply pesticides in the land to achieve the effect of treating viral diseases. In fact, the effect of applying pesticides through the soil is not very good, because it is different from the pathogenesis of soil-borne diseases. Let us look at the following reasons:
1. Viral diseases are generally not transmitted through the soil, mainly relying on insects, contact, and seed transmission.
2, some drugs for the prevention and treatment of viral diseases China Agrochemical Merchants Network is poorly absorbed, mainly through the formation of a protective layer on the surface of the leaves to prevent the spread of the virus, such as virus A, can not be absorbed through the roots of the plant or the amount of absorption, can not achieve the control effect . 1988.TV
The main purpose of our use of roots is to kill the pathogens around the roots and to eliminate the internal pathogens through the root system. In view of the above-mentioned virus disease transmission methods, it can be seen that the prevention and treatment of viral diseases by soil treatment is not effective, experts do not recommend soil medicine. Prevention of viral diseases.
China Pesticide Network http://
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