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DIAGEOTROPISM [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2001-10-11

English

Subject field(s)
  • Plant Biology
DEF

The process by which plant parts turn toward a position that is oblique or perpendicular to the orienting stimulus. Thus, plagiotropic.

OBS

For example, the growth of lateral branches and lateral roots is at an oblique angle to the stimulus of gravity (plagiogeotropism).

Key term(s)
  • diageotropism

French

Domaine(s)
  • Biologie végétale
DEF

Action de la pesanteur qui imprime à certains organes (rameaux, rhizome) une direction de croissance plus ou moins oblique par rapport à la verticale.

CONT

Les rameaux et les racines secondaires font avec l'axe général de la plante des angles caractéristiques qui déterminent le port de la plante mais ne sont pas pour autant insensibles à la pesanteur; on parle alors de plagiogéotropisme.

OBS

géotropisme : Orientation de croissance des végétaux en fonction de la pesanteur.

OBS

contraire : orthotropisme

Key term(s)
  • diagéotropisme

Spanish

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