Применение новых фунгицидов против болезней сельскохозяйственных культур | Application of New Fungicides Against the Diseases of Agricultural Crops
2022
Sodikov, B. | Khamiraev, U. | Omonlikov, A.
This article outlines the results of the research conducted on farms Changimardon bogi in Parkent District of Tashkent Region and Behruz Baraka Fayz in Tashkent District of Tashkent Region on the origin and spread of downy mildew disease of the grapevine and phytophthora disease of potato plant, the symptoms of the diseases and their damage, and the data on the biological efficacy of new fungicide Pilarzox 25.5% SC applied against these diseases. As a result of our research: In the variant with Pilarzox 25.5% SC fungicide treatment at a rate of 1.2 l/ha against downy mildew disease of grapevine, the spread of the disease was 4.7%, the development of the disease was 0.7%, and the biological efficiency was 91.0%. The highest biological efficacy of potato plant against phytophthora disease was observed in the variant with Pilarzox 25.5% SC fungicide treatment at a rate of 2.5 l/ha. At the same time, the development of the disease was 2.4% in the leaves, 2.1% in the stems, and the biological efficiency was 89.5% in the leaves and 89.2% in the stems.
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