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Abscisic acid as a root growth inhibitor: Physiological analyses
1Institute of Plant Biology and Physiology of the University, Place de la Ripponne, CH-1005, Lausanne, Switzerland.
Planta
|January 18, 2014
Abstract:
Abscisic acid (ABA) moves basipetally and laterally in maize (Zea mays L.) root segments placed horizontally; its transport properties are thus similar to those of the growth-inhibiting substances produced by the root cap. The two opposite flows af ABA and of indolyl-3-acetic acid (IAA) - substances both present in the cap - may control elongation and georeaction of the root.

