Abstract:
Of particular importance in the cultivation of autumn barley are the key diseases, which appear consecutively throughout the growing season of plants caused by environmental conditions. Barley plants are subject to the impact of a complex of pathogenic agents, which include over ten species of diverse etiological and pathological nature, as key objects of economic importance, that annually cause serious damage, such as: Erysiphe graminis f. sp. hordei, Puccinia anomala, Helminthosporium teres, Pyrenophora graminea, Pyrenophora teres și Rhynchosporium secalis etc.