EFFECT OF CHEMICAL AND BIOLOGICAL AGENTS AGAINST POTATO ALTERNARIOS Blight (in small field conditions)
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Currently, the average yield loss of potato crops due to alternariosis is 5% per year. In some years, the number of infected plants reaches 100%, and the yield decreases from 5 to 78% (Алдиба А. Ш., Еськов И. Д., Мельников А. В., 2019.).
This article presents the results of a study conducted to study the effect of chemical and biological agents against alternariosis in small field conditions. Of the chemical preparations, it was found that the preparations Gidromil granula 68% s.d.g. and Ridomil Gold MS 68% s.d.g. significantly affect the development of alternariosis. Of the biological preparations, it was found that the development of alternariosis was significantly reduced when used with the preparation Orgamika S, s. at a rate of 2.0 l/ha and with the preparation Serenada Aso sus.k. at a rate of 7.0 l/ha.
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