Abstract

The most popular and affordable means to protect plants from fungal diseases are fungicides. Development of new products is aimed at preparation of the composition of several substances to achieve the effect of mutual enhancement of action. We used the grains of wheat (Triticum sp. variety Julius) and barley (Hordeum sativum variety Gloria), they were significantly infected with phytopathogenic fungi, which allows us to get reliable data on the effectiveness of active substances of fungicides. All wheat grains treated with fungicides were infected less than the control ones. Analysis of the effect of individual fungicides demonstrated that the fungi were more sensitive to fludioxonil, especially at doses of CF 0: 2 (56.7% of infected grains) and CF 0:4 (36.7% of infected grains) 5.0 and 10.0 g/t. After the treatment of cyproconazole, the smallest number of infected grains was obtained when grains were treated at a dose 5.0 g/t (80.0 % of infected grains). The fungistatic effect of cyproconazole (C) and fludioxonil (F) was greatest when ratios of C : F were 2.5:10; 5:10; 10:2.5; 10:5; 10:10 g/t.

Highlights

  • There are various ways to protect plants from fungal diseases

  • Development of new products is aimed at efficiency of active substances (a.s.); preparation of the composition of several substances in such a way as to achieve the effect of mutual enhancement of action; selection of optimal doses of exposure

  • The standard deviation and statistical error were calculated. This analysis was carried out on control sterile grains; their high level of infestation will allow assessing the effectiveness of a.s. of fungicides which were selected for the development of a combined fungicide preparation for pre-sowing treatment of grains [Ошибка! Источник ссылки не найден.]

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Summary

Introduction

There are various ways to protect plants from fungal diseases. the most popular and affordable means are fungicides. It is used for the treatment of crops ( cereals, fruits and vegetables, and ornamental plants; often in combination with another fungicide such as cyprodinil) [Ошибка! Cyproconazole is an agricultural fungicide of the class of azoles, used on cereal crops, coffee, sugar beet, fruit trees and grapes [Ошибка!

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