Jarynchyn A. Interaction of a winter wheat and activators of illnesses of a grain in agrotsenozes of Ukraine

Object of researches: the interaction of fungus Fusarium species and Alternaria species and plant of a winter wheat. The purpose: the features of interaction of fungus Fusarium species and Alternaria species among present and with the plant-owner in agrotsenozes of Ukraine to study. Methods: field, laboratory. Novelty: the interaction competitive between species of genus Fusarium in a complex and hydrolytic enzymes an important in the given processes were investigated. Results: it was established that the prevalence and specific structure of activators of head blight and alternariose. The structure of pathogenicity of a population of activators of head blight is assessed. The impact of external inoculation on internal infection for both pathogens is described. The different parasitic development structures of Fusarium species which are formed on a winter grain surface were investigated. It is advanced a technique of creation of artificial inoculum preparation of head blight. Sphere (range) use: agriculture.