FIELD: biotechnology.SUBSTANCE: invention is a method of propagation of immune-resistant potato samples in vitro on aerohydroponic culture, including irrigation of bases of cuttings of regenerants, wherein the aqueous preparation Floron in a concentration of 0.5 % with the addition of pectin in a concentration of 0.3–0.4 % aqueous solution Floron is introduced as a nutrient solution, wherein pectin is prepared from potato parings of healthy tubers of the same variety or a hybrid of regenerants being reproduced.EFFECT: invention provides the simplified technical solution and propagation of healthy material free from viruses.1 cl, 2 tbl