FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. Synergetic herbicidal composition contains florasulam (I), picloram (II) and an additional herbicide (III) selected from a class of phenoxyacetic acids or sulphonylureas. Weight ratio of component I to sum of components (II+III) is within range of 1:(7÷34). Sulphonylurea herbicide is selected from tribenuron, tribenuron-methyl, methsulfuron-methyl. Additional herbicide from the class of phenoxyacetic acids is selected from esters and salts of 2,4-dichlorophenoxyacetic acid or from esters and salts of 2-methyl-4-chlorophenoxyacetic acid. In order to control undesirable vegetation in crops of grain crops, the present composition is applied in agrochemical-acceptable rates of consumption for weeds subject to destruction and places of their growth, preliminary diluted with water.
EFFECT: invention provides improved biological protection of crops of grain crops, increases yield.
10 cl, 4 tbl, 3 ex
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