hydrotropism


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hydrotropism

 [hi-drot´ro-pizm]
tropism in response to the presence of water or moisture.

hy·dro·tro·pism

, positive hydrotropismnegative hydrotropism (hī'drō-trō'pizm, hī-drot'rō-pizm),
The property in growing organisms of turning toward a moist surface (positive hydrotropism) or away from a moist surface (negative hydrotropism).
[hydro- + G. tropos, a turning]

hydrotropism

(hī-drŏt′rə-pĭz′əm)
n.
Growth or movement in a sessile organism toward or away from water, as of the roots of a plant.

hy′dro·tro′pic (hī′drə-trō′pĭk) adj.

hy·dro·tro·pism

(hī'drot'rŏ-pizm)
The property in growing organisms of turning toward a moist surface (positive hydrotropism) or away from a moist surface (negative hydrotropism).
[hydro- + G. tropos, a turning]

hydrotropism

the growth of plant roots in a particular orientation with respect to water, usually towards moisture.
References in periodicals archive ?
The scientists believe that a mechanism called hydrotropism can actually override geotropism.
Eapen D, Barroso ML, Ponce G, Campos ME, Cassab GI (2005) Hydrotropism: root growth responses to water.