Abscisic acid as a root growth inhibitor: Physiological analyses |
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| Authors: | P E Pilet |
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| Institution: | (1) Institute of Plant Biology and Physiology of the University, Place de la Ripponne, CH-1005 Lausanne, Switzerland |
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| Abstract: | Summary 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. |
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