indoleacetic acid


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Related to indoleacetic acid: abscisic acid, gibberellin

indoleacetic acid

[¦in‚dōl·ə¦sēd·ik ′as·əd]
(biochemistry)
C10H9O2N A decomposition product of tryptophan produced by bacteria and occurring in urine and feces; used as a hormone to promote plant growth. Abbreviated IAA.
References in periodicals archive ?
The most popular root-promoting hormones are the auxins indoleacetic acid (IAA), indolebutyric acid (IBA), and napthaleneacetic acid (NAA).
A number of natural substances do same as auxin activity, but indoleacetic acid (IAA) is the first extracted and well-known growth regulator [5].
Production of phytohormones, such as the indoleacetic acid (IAA), is possibly the main mechanism of plant growth promotion by rhizobia.
Indoles include indoxyl sulfate and indoleacetic acid [9].
The endogenous hormone concentrations (indoleacetic acid (IAA), abscisic acid (ABA), gibberellins 3 ([GA.sub.3]), and zeatin (ZT)) of the initial explants and calluses were determined by means of high pressure liquid chromatography (HPLC).
Amide-linked indoleacetic acid conjugates may control levels of indoleacetic in germinating seedlings of Phaseolus vulgaris.