FIELD: agriculture. SUBSTANCE: method involves applying liquid antiseptic onto plant product surface, with saturated aqueous solution of preparation being used as antiseptic. Preparation is produced by sequential extracting of Mortierella nigrescens micromycet biomass with the use of non-polar extractant in above-critical state, water, alkaline, water, acid, water, alkaline and water, with following joining of first extract with solid residue. EFFECT: simplified treatment method and prolonged storage time.
