Definition

1. Noun:
   • (Botany) A plant product that acts like a hormone: A naturally occurring organic substance produced in plants that regulates physiological processes, such as growth, development, and response to stimuli, in a manner analogous to hormones in animals.

Usage Examples

• Noun:
  • Auxin is a key plant hormone that promotes cell elongation.
  • The farmer applied a synthetic plant hormone to stimulate root growth in the cuttings.
  • Scientists study how plant hormones coordinate responses to environmental stress.

Advanced Usage

• "Endogenous plant hormone": Refers to a hormone naturally produced within the plant itself.
  • Gibberellin is an endogenous plant hormone that breaks seed dormancy.
• "Plant hormone signaling": Describes the biochemical pathways by which plant hormones transmit their effects.
  • Understanding plant hormone signaling is crucial for agricultural biotechnology.

Variants and Related Words

• Phytohormone (n): A direct synonym for plant hormone.
  • Cytokinin is a phytohormone involved in cell division.
• Growth regulator (n): A broader term that can include both natural plant hormones and synthetic compounds that mimic their action.
  • This commercial product contains a growth regulator based on a natural plant hormone.

Synonyms

• Phytohormone: A substance produced by a plant that acts as a hormone.
• Growth substance: A compound that influences plant growth and development.

Related Phrases

• Plant hormone biosynthesis: The process by which plants produce hormones.
  • The research focuses on the genes controlling plant hormone biosynthesis.
• Plant hormone imbalance: A condition where hormone levels are disrupted, affecting plant health.
  • The stunted growth was caused by a plant hormone imbalance.

Related Concepts

• Abscisic acid: A specific plant hormone involved in stress response and dormancy.
  • Abscisic acid is the plant hormone responsible for closing stomata during drought.
• Ethylene: A gaseous plant hormone that regulates fruit ripening and senescence.
  • Ethylene is a unique plant hormone because it is a gas.

Noun

1. (botany) a plant product that acts like a hormone