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. 1990;94(1):367-9.
doi: 10.1104/pp.94.1.367.

Temperature sensing by primary roots of maize

Fortin M-CA  1 , K L Poff
Collaborators, Affiliations

Temperature sensing by primary roots of maize

Fortin M-CA et al. Plant Physiol. 1990.

Abstract

Zea mays L. seedlings, grown on agar plates at 26 degrees C, reoriented the original vertical direction of their primary root when exposed to a thermal gradient applied perpendicular to the gravity vector. The magnitude and direction of curvature can not be explained simply by either a temperature or a humidity effect on root elongation. It is concluded that primary roots of maize sense temperature gradients in addition to sensing the gravitational force.

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