plant hormone

n. Any of various hormones produced by plants that control or regulate germination, growth, metabolism, or other physiological activities. Also called phytohormone.

Thesaurus

Noun

plant hormone - (botany) a plant product that acts like a hormonegrowth regulator, phytohormonephytology, botany - the branch of biology that studies plantsauxin - a plant hormone that promotes root formation and bud growthgibberellin - a plant hormone isolated from a fungus; used in promoting plant growthcytokinin, kinin - any of a class of plant hormones that promote cell division and delay the senescence of leavesplant product - a product made from plant material

plant hormone

[′plant ‚hȯr‚mōn] (biochemistry) An organic compound that is synthesized in minute quantities by one part of a plant and translocated to another part, where it influences physiological processes. Also known as phytohormone.

plant hormone

any of several chemical substances produced in very low concentrations in plants, that control growth and development. They are now usually called growth substances. Plant HORMONES are produced in active MERISTEMS (e.g. root and shoot apices) from where they diffuse to other parts of the plant. A distinct contrast with animal hormonal systems is the fact that plants do not possess specific tissues for hormone production, nor a well-defined distribution system equivalent to the blood system.

Plant hormones are classified generally into several groups, discussed under separate headings: ABSCISSIC ACID, AUXINS, CYTOKININS and GIBBERELLINS.

plant hormone

noun

Synonyms for plant hormone

noun (botany) a plant product that acts like a hormone

Synonyms

growth regulator
phytohormone

Related Words

phytology
botany
auxin
gibberellin
cytokinin
kinin
plant product

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