FIELD: organic chemistry, agriculture, herbicides. SUBSTANCE: invention describes herbicide preparation for selective control of weeds in culture plant plantings. Preparation has αRS, 1'S(-)-N- -(1'-methyl-2'-methoxyethyl)-N-chloroacetyl-2-ethyl-6-methyl-aniline of the formula (I) 
where R is ethyl as active herbicide component taken in the effective amount, compound of the formula (III) 
as antiherbicide component taken in the effective amount and inert carriers and additions also. Invention describes also method of selective control of weeds and grasses. Obtained herbicide preparation does not damage useful plant, for example, maize. EFFECT: enhanced effectiveness of preparation, improved method of control. 4 cl, 4 tbl, 10 ex
