A vegetable farmer in Gaohuai Village, Luocheng Sub-district Office, Shouguang City, Shandong Province, is mainly planting sweet peppers in autumn. However, the cultivation of soil-borne diseases has become more serious in recent years, and the dead tree has become the biggest problem faced by vegetable farmers. Moreover, after the dead tree, the seedlings are still dead, and only other vegetables can be replanted. However, before the sweet pepper was added to the seedlings, the fungicide was used to fill the nest, and good results were obtained.
In the past few years, this vegetable farmer, like many vegetable farmers, found that the diseased plant was removed early and was taken out to the shed for destruction or deep burial after the discovery of the sweet pepper dead tree. At that time, only the infection was not considered. Other plants, but overlooked a problem, that is, when the roots of sweet peppers are infected, the surrounding soil must also have germs. If the diseased plant is only removed, and the soil in the litter is not further treated, the seedlings that have just been planted will continue to die after watering, and may cause the pathogen to spread further with water to aggravate the dead tree.
Therefore, after discovering the dead tree of sweet pepper, in order to prevent the remaining bacteria in the nest, it is necessary not only to bring the diseased plant outside the shed, but also to treat the soil and fill the nest with a bactericide. Soil disinfection can be carried out with methyl phosphatidylcholine or bromochloroacetic acid 1000 times solution, or 80-100 times of formaldehyde can be used.
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