ABSTRACT - 600065 The disclosure relates to a method for regulating the growth of and/or enhancing crop plants, comprising applying to the plants, plant parts, plant propagation material, or a plant growing locus, a plant growth regulator and jasmonic acid or a salt or ester thereof, wherein the crop plants are cereals, sugar cane, rice or corn, wherein the plant growth regulator and jasmonic acid or a salt or ester thereof, are applied in a synergistically effective amount, and wherein the plant growth regulator is selected from the group consisting of trinexapac-ethyl, prohexadione-calcium, paclobutrazol, uniconazole, flurprimidol, mefluidide, mepiquat-chloride, chlormequat-chloride, and a mixture thereof.
