Impact of Fungicide Treatment Schemes on the Severity of Leaf Blotches in Winter Wheat

Abstract The common control method of leaf blotches is the application fungicides; however, results trials are inconsistent. aim present study was to evaluate impact fungicide treatment intensity on severity and assess correlation between development diseases winter wheat ( Triticum aestivum ) yield in 2018–2021. evaluated regularly. In this study, at medium milk ripening (GS 75–77) used. Tan spot dominated 2018, 2019, 2021, but Septoria tritici blotch 2020. Fungicides significantly decreased tan blotch, efficacy used schemes differed during trial years – it more pronounced under higher pressures blotches. year with a high best obtained when two times (at GS 32–33 55–59), for dose done or three applications. Usage fungicides increased only pressure diseases. A strong significant 75–77 grain yields established 2020, disease higher.