ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun | 1. | growth regulator - (botany) a plant product that acts like a hormoneauxin - a plant hormone that promotes root formation and bud growth gibberellin - a plant hormone isolated from a fungus; used in promoting plant growth cytokinin, kinin - any of a class of plant hormones that promote cell division and delay the senescence of leaves |
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