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 s...

In 2017-2020 in the conditions of Kirov region there were studied 143 varieties, 115 perspective lines and 28 hybrids first generation spring soft wheat according to degree resistance septoria tritici blotch against background natural development infection. It has been established that disease significantly increased with a decrease air temperature during «seedling-tillering» phase (r = -0.83…-...