Journal Article

ABA, ethylene and the control of shoot and root growth under water stress

Robert E. Sharp and Mary E. LeNoble

in Journal of Experimental Botany

Volume 53, issue 366, pages 33-37
Published in print January 2002 | ISSN: 0022-0957
Published online January 2002 | e-ISSN: 1460-2431 | DOI: https://dx.doi.org/10.1093/jexbot/53.366.33
ABA, ethylene and the control of shoot and root growth under water stress

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The question of whether abscisic acid (ABA) acts as an inhibitor or promoter of shoot growth in plants growing in drying soil is examined, drawing on current understanding of the role of ABA in root growth maintenance. Particular consideration is given to studies of endogenous ABA deficiency, which have shown that an important role of ABA is to limit ethylene production, and that this interaction is involved in the effects of ABA status on shoot and root growth.

Keywords: Abscisic acid; ethylene; root growth; shoot growth; water stress.

Journal Article.  3335 words.  Illustrated.

Subjects: Plant Sciences and Forestry

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