FIELD: chemistry.
SUBSTANCE: invention relates to agriculture and can be used to culture duckweed plants (Wolffia arrhiza) in vitro. The composition of the medium for culturing duckweed plants consists of: monosubstituted potassium phosphate, calcium nitrate tetrahydrate, potassium nitrate, zinc sulpho-sulphate heptahydrate, sodium molybdate dihydrate, zinc sulphate heptahydrate, disodium dihydrate of ethylenediaminetetraacetic acid, boric acid and saccharose. The composition additionally contains: potassium iodide, cobalt chloride, asparagine, glutamine, thiamine, pyridoxine, ascorbic acid, mesoinosite, iron sulphate heptahydrate and manganese sulphate pentahydrate.
EFFECT: high biological efficiency of duckweed plants (Wolffia arrhiza) owing to optimisation of content of nutrients in the culturing medium.
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