How to Use plant hormone in a Sentence

plant hormone

noun
Definition of plant hormonenext
  • Auxin is a plant hormone that is involved in regulating plant growth and the plant synthesizes it as needed.
    — oregonlive, 18 Mar. 2023
  • The onset of vernalization, or dormancy, is triggered by a plant hormone, then fruit-bearing vines, trees and canes begin to rest.
    — Margaret Lauterbach, idahostatesman, 21 Feb. 2018
  • Spuds and apples can give off high levels of ethylene gas (a natural plant hormone), which can trigger spouting.
    — Rita Pelczar, Better Homes & Gardens, 24 Aug. 2022
  • Ethylene is a natural plant hormone that triggers produce to ripen faster.
    — Karla Walsh, Better Homes & Gardens, 15 Sep. 2022
  • That cantaloupe is sensitive to ethylene, a gas that acts as a plant hormone to regulate growth and development.
    — Debbie Arrington, sacbee, 22 Sep. 2017
  • The bacteria can suck nitrogen from the air to provide crucial minerals for the plants, protect the plants against pathogens, make the plants more drought-resistant and increase plant hormone production.
    — Michelle Shen, USA TODAY, 6 Nov. 2021
  • The idea that plant hormones—such as genistein, the primary phytoestrogen in soy—can interfere with mammalian development is not new.
    — Deborah Blum, Slate Magazine, 3 Aug. 2017
  • The compound — considered non-toxic by the EPA — is typically pumped into sealed storage rooms to inhibit the production of ethylene, a plant hormone.
    — Dee-Ann Durbin, Anchorage Daily News, 9 Dec. 2022
  • The compound – considered non-toxic by the EPA – is typically pumped into sealed storage rooms to inhibit the production of ethylene, a plant hormone.
    — Dee-Ann Durbin, The Christian Science Monitor, 22 Dec. 2022
  • Solowey soaked the seeds in water and applied commercial plant hormones and fertilizer, but the protocol for planting them was essentially no different than for modern seeds.
    — Sarah Zhang, The Atlantic, 5 Feb. 2020
  • Tomatoes are sensitive to ethylene, a natural plant hormone that contributes to ripening.
    — Miri Talabac, Baltimore Sun, 28 July 2022
  • The other chemicals include vitamins, minerals (including the electrolytes sodium and potassium), and plant hormones like cytokinins (that may benefit the body in various ways).
    — Alexandra Hansen, Quartzy, 5 Nov. 2019
  • By studying patterns of the plant hormone auxin, researchers have discovered that auxin concentrations cause asymmetry at the molecular and anatomical levels, altering gene expression and leaf shape.
    — Discover Magazine, 2 May 2018
  • By studying natural variations in root structure and the genetics associated with these variations, the team homed in on a previously unknown biological pathway that regulates auxin, a plant hormone that helps control root growth.
    — San Diego Union-Tribune, 11 July 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'plant hormone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Last Updated: