ABSTRACT - 600066 The disclosure relates to a method for regulating the growth of crop plants, comprising applying to the plants trinexapac-ethyl and acibenzolar-S-methyl in a weight ratio from 10:1 to 1:1. Also described is a method for regulating the growth of and/or enhancing crop plants, comprising applying to the plants a plant growth regulator and acibenzolar-S-methyl, wherein the plant growth regulator and acibenzolar-S-methyl are applied in a synergistically effective amount, and wherein the plant growth regulator may be selected from the group consisting of trinexapac-ethyl, prohexadione-calcium, paclobutrazol, uniconazole, flurprimidol, mefluidide, mepiquat-chloride, chlormequat-chloride, and a mixture thereof.