indolebutyric acid

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in·dole·bu·tyr·ic acid

A synthetic compound, C12H13NO2, used to regulate plant growth and development.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

indolebutyric acid

(Biology) a synthetic auxin used for stimulating plant growth and root formation. Formula: C12H13NO2)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in′dole•bu•tyr′ic ac′id

(ˈɪn doʊl byuˈtɪr ɪk, ˌɪn-)
a white or yellowish, crystalline, water-insoluble powder, C12H13O2N, a plant hormone similar to indoleacetic acid and used for the same purposes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.indolebutyric acid - a synthetic plant hormone promoting elongation of stems and roots
auxin - a plant hormone that promotes root formation and bud growth
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References in periodicals archive ?
At the base of the cutting, the peel is removed, exposing the tissue and the cutting base is immersed into indolebutyric acid solution (IBA) at 2000 mg.[L.sup.-1] for 30 seconds (Figure 1).
Caption: FIGURE 3: Percentage of rooting in minicuttings of yerba mate submitted to different concentrations of IBA (indolebutyric acid).
Among auxins, indolebutyric acid (IBA) is a photostable auxin commonly used to promote the rooting of fruit species (HAN et al., 2009).
Effectiveness of indoleacetic acid, indolebutyric acid and naphthalene acetic acid during adventitious root formation in vitro in Malus 'Jork 9'.
At each end of the site where the ring was withdrawn, 4 drops (0.2 mL) of dilute indolebutyric acid (IBA) solution were placed according to the concentration of the treatment.
High rooting rate of 97.1% was achieved in 1/2 Murashige and Skoog (1962) (MS) medium supplemented with 0.1 mg L-1 indolebutyric acid (IBA).
Effect of benzyladenine and indolebutyric acid on ultrastructure, glands formation, and essential oil accumulation in Lavandula dentata plantlets.
Abbreviations: IBA- indolebutyric acid, Thidiazuron-N-1,2,3-thiadiazol-5-yl-N-phenylurea.
Effectiveness of indoleacetic acid, indolebutyric acid and naphthaleneacetic acid during adventitious root formation in vitro in Malus 'Jork 9'.
The most popular root-promoting hormones are the auxins indoleacetic acid (IAA), indolebutyric acid (IBA), and napthaleneacetic acid (NAA).
Treatment of ringed shoots with indolebutyric acid (IBA) is also helpful in root formation.