Studies on the Influence of Active Substances from Medicinal Plants on Some Pathogen of Wheat Crops

Plant extracts used to control of the phytopathogens have been obtained mainly from Coriandrum sativum, Artemisia absinthium, Capsicum annuum, Ocimum basilicum, Althaea officinalis, Thymus vulgaris, Lycopersicon esculentum, Calendula officinalis, Mentha piperita, Tagetes patula. Rosmarinus officinalis, Achillea millefolium, Urtica dioica, in different doses of extracts. Inseminations were performed with the wheat pathogens cultured in the laboratory and we studied the influence of plant extracts on the development of microorganisms. Measurements were performed on cultures of microorganisms and microscopic counts accurate.