FIELD: chemistry.
SUBSTANCE: invention relates to agriculture. The composition contains a pesticide active ingredient and a compound of chemical formula (I) or (II): R-O-(EO)w-(PO)x-(EO)y-(PO)z-H (I), R-O-(PO)w-(EO)x-(PO)y-(EO)z-H (II), where EO is an ethyleneoxy group, PO is a propyleneoxy group, R is an alkyl or alkenyl containing 8-20 carbon atoms, w is on average an integer ranging from 1 to 25; x is on average an integer ranging from 1 to 25, y is on average an integer ranging from 1 to 25 and z is on average an integer ranging from 1 to 25. The compounds of chemical formula (I) or (II) are used in combination with a pesticide active ingredient in order to enhance effectiveness of the latter.
EFFECT: invention increases effectiveness of the active ingredient.
6 cl, 9 ex, 3 tbl
