The process within a seed that leads to visible penetration of the seed coat by the radicle. It begins with water uptake and involves formation and activation of enzymes that convert starch, fats and protein in the endosperm and/or cotyledons into smaller chemical components that are transported to sites of embryo growth.
The point at which a dormant seed begins to sprout, forming a new plant.

Combined glossary of agriculture. - MidCountry Media publishes Farm World newspaper.

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  • GERMINATION — En biologie végétale, la germination se définit, à quelques nuances près, comme le «phénomène par lequel l’embryon croît en utilisant les réserves de la graine; la germination peut être considérée comme terminée lorsque la plantule est autotrophe …   Encyclopédie Universelle

  • Germination — is the process whereby growth emerges from a period of dormancy. The most common example of germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm. However, the growth of a sporeling from a spore, for example the… …   Wikipedia

  • Germination — Ger mi*na tion, n. [L. germinatio: cf. F. germination.] The process of germinating; the beginning of vegetation or growth in a seed or plant; the first development of germs, either animal or vegetable. [1913 Webster] {Germination apparatus}, an… …   The Collaborative International Dictionary of English

  • Germination — (v. lat.), das Keimen, Sprossen …   Pierer's Universal-Lexikon

  • Germination — (lat.), das Keimen, Keimzeit; germinieren, keimen, sprossen …   Kleines Konversations-Lexikon

  • Germination — Germination, lat. deutsch, das Keimen. Sprossen …   Herders Conversations-Lexikon

  • germination — index development (progression), growth (evolution) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • germination — mid 15c., from L. germinationem (nom. germinatio) sprouting forth, budding, noun of action from pp. stem of germinare to sprout, put forth shoots, from germen (gen. germinis) a sprout or bud (see GERM (Cf. germ)) …   Etymology dictionary

  • Germination — Pour la germination en science des matériaux (métallurgie), voir l article Précipité  . Germination épigée de graines de tournesol La germinati …   Wikipédia en Français

  • germination — See germinate. * * * Sprouting of a seed, spore, or other reproductive body, usually after a period of dormancy. Absorption of water, passage of time, chilling, warming, oxygen availability, and light exposure may all operate in initiating the… …   Universalium

  • GERMINATION — s. f. T. de Botan. Il se dit Du premier développement des parties qui sont contenues dans le germe d une semence. La chaleur et l humidité avancent la germination des semences. Il est curieux d observer les progrès de la germination des plantes.… …   Dictionnaire de l'Academie Francaise, 7eme edition (1835)

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