METHOD FOR PREPARING OF POTATO BEFORE LAYING FOR STORAGE Russian patent published in 2005 - IPC

FIELD: agriculture.

SUBSTANCE: method involves treating potato with immunostimulant before laying it for storage, said immunostimulant being used in conjunction with Steinernema feltiae suspension in an amount of 0.2-1% by weight of suspension. Immunostimulant is produced by sequential extracting of Mortierella reticulata micromycet biomass with the use of non-polar extractant in above-critical state, water, alkaline, water, acid, water, alkaline, and water, and joining first extract with solid residue.

EFFECT: increased effectiveness in controlling of injurious insects during storage of potato, reduced negative effect upon its immune status, germination and organoleptical properties.