heteroauxinn.
/ˌhɛtərəʊˈɔːksɪn/ Biochemistry.
A growth-promoting hormone, (C8H6N)CH2·COOH, that occurs in some plants and micro-organisms; also called β-indolyl acetic acid, 3-indoleacetic acid.
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the world > life > biology > substance > process stimulators or inhibitors > hormone > [noun] > in plants
hormone1911
wound hormone1921
plant hormone1932
phytohormone1933
auxin1934
heteroauxin1935
florigen1936
traumatic acid1939
abscisin1961
zeatin1963
cytokinin1965
antheridiol1967
abscisic acid1968
oogoniol1975
1935 Chem. Abstr. 29 195 Normal individuals excrete auxins and heteroauxin in the proportions of about 4:1.
1940 W. R. Fearon Introd. Biochem. (ed. 2) 446 It was found that urine was very rich in a growth-promoting factor, which on isolation proved to be chemically unrelated to auxin a or b, and was termed hetero-auxin.
1949 New Biol. 7 69 Two principal plant hormones..have actually been isolated from plant tissues, viz. auxin and hetero-auxin.
1966 T. Z. Nowakowski & A. J. Clarke tr. V. Kretovich Princ. Plant Biochem. (ed. 4) v. 175 Heteroauxin is used for accelerating root formation in cuttings of various plants e.g. citrus.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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n.1935