auxinn.

Brit.

/ˈɔːksɪn/, U.S.

/ˈɔksən/,

/ˈɑksən/

Etymology: German (F. Kögl & A. J. Haagen Smit 1931, in Proc. Sect. Sci. Kon. Akad. v. Wetenschappen XXXIV. 1416), < Greek αὔξειν to increase + -in suffix¹.

Plant Physiology.

An organic substance which promotes and directs the growth of plant cells; a growth hormone.

ΘΚΠ

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

1934 Brit. Chem. Abstr. A. 1332/1 Plant growth substances. X. Constitution of auxin-a and -b.

1936 Ann. Reg. 1935 56 Auxin α is an organic hydroxy-acid, Auxin β is a keto-acid.

1937 Discovery June 174/1 Putting a block of auxin-charged agar on one side of a coleoptile stump.

1937 F. W. Went & K. V. Thimann Phytohormones 4 The term auxins..will be arbitrarily restricted to those substances which bring about the specific growth reaction which is conveniently measurable by the curvature of Avena coleoptiles.

1955 Sci. News Let. 16 July 44/1 A plant growth hormone called auxin controls the shedding of leaves in the fall and the dropping of fruit when it is ripe.

This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2021).

单词	auxin
释义	auxinn. Brit. /ˈɔːksɪn/, U.S. /ˈɔksən/, /ˈɑksən/ Etymology: German (F. Kögl & A. J. Haagen Smit 1931, in Proc. Sect. Sci. Kon. Akad. v. Wetenschappen XXXIV. 1416), < Greek αὔξειν to increase + -in suffix¹. Plant Physiology. An organic substance which promotes and directs the growth of plant cells; a growth hormone. ΘΚΠ 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 1934 Brit. Chem. Abstr. A. 1332/1 Plant growth substances. X. Constitution of auxin-a and -b. 1936 Ann. Reg. 1935 56 Auxin α is an organic hydroxy-acid, Auxin β is a keto-acid. 1937 Discovery June 174/1 Putting a block of auxin-charged agar on one side of a coleoptile stump. 1937 F. W. Went & K. V. Thimann Phytohormones 4 The term auxins..will be arbitrarily restricted to those substances which bring about the specific growth reaction which is conveniently measurable by the curvature of Avena coleoptiles. 1955 Sci. News Let. 16 July 44/1 A plant growth hormone called auxin controls the shedding of leaves in the fall and the dropping of fruit when it is ripe. This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2021). < n.1934
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