Disclosed is a method of enhancing fruit and/or seed yield in a flowering plant comprising a gibberellin response pathway, comprising the step of applying an effective amount of a composition comprising an auxin selected from the group consisting of 4-chloro-indole-3-acetic acid and 4-methyl-indole-3-acetic acid and combinations thereof to the plant, or a portion thereof, or a locus thereof, at or before a flowering or fruiting stage of the plant.