Abstract
Endophytic microorganisms are most closely in contact with agricultural plants, inhabit their internal tissues, provide protection from pathogens, and have a direct impact on plant health and productivity. This is the relevance of studying the properties of endophytic organisms for the regulation of population density of pathogenic micromycetes. In this work, a comparative assessment of the antifungal activity of endophytic isolates B. subtilis EFS3, B. subtilis EFS9, B. subtilis EFS13 was carried out with respect to field isolates of microscopic fungi of the genera Fusarium, Aspergillus, Penicillium, Mucor. The studied endophytic bacilli inhibited the growth of micromycetes both due to the antibiotic substances produced and by direct contact, i.e., antibiotic and alimentary types of antagonism were noted in the mechanism of antifungal action. Thus, the studied endophytic bacteria are able to influence the development of pathogenic fungi and can be used to develop biological products that contribute to improving the quality of food raw materials of plant origin.
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