growth regulator

Noun
  1. (botany) a plant product that acts like a hormone (synset 114769020)
    referred to in: botany, phytology - the branch of biology that studies plants
    is a type of: plant product - a product made from plant material
    subtypes:
    • auxin - 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
    same as: phytohormone, plant hormone

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