Article
Abscisic acid accumulation maintains maize primary root elongation at low water potentials by restricting ethylene production.
Plant physiology - 1 Mar 2000
Spollen W G, LeNoble M E, Samuels T D, Bernstein N, Sharp R E
Abstract excerpt
Previous work showed that primary root elongation in maize (Zea mays L.) seedlings at low water potentials (psi(w)) requires the accumulation of abscisic acid (ABA) (R.E. Sharp, Y. Wu, G.S. Voetberg, I.N. Saab, M.E. LeNoble [1994] J Exp Bot 45: 1743-1751). The objective of the present study was to determine whether the inhibition of elongation in ABA-deficient roots is attributable to ethylene. At a psi(w) of...
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