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Titolo:
COMPARATIVE ROOT-GROWTH INHIBITORY ACTIVITY OF 4 BRASSINOSTEROIDS
Autore:
RODDICK JG;
Indirizzi:
UNIV EXETER,DEPT SCI BIOL EXETER DEVON ENGLAND
Titolo Testata:
Phytochemistry
fascicolo: 5, volume: 37, anno: 1994,
pagine: 1277 - 1281
SICI:
0031-9422(1994)37:5<1277:CRIAO4>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
LAMINA INCLINATION; 24-EPIBRASSINOLIDE; BRASSINOLIDE; SEEDLINGS; SEGMENTS; INVITRO; PLANTS;
Keywords:
LYCOPERSICON ESCULENTUM; SOLANACEAE; TOMATO; CULTURED ROOT GROWTH; BRASSINOSTEROIDS; BRASSINOLIDE; 24-EPIBRASSINOLIDE; 22,23,24-TRISEPIBRASSINOLIDE; 28-HOMOBRASSINOLIDE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
J.G. Roddick, "COMPARATIVE ROOT-GROWTH INHIBITORY ACTIVITY OF 4 BRASSINOSTEROIDS", Phytochemistry, 37(5), 1994, pp. 1277-1281

Abstract

The effects of four brassinosteroids (brassinolide, 24-epibrassinolide, 22, 23, 24-trisepibrassinolide and 28-homobrassinolide) which differ in side chain structure were examined on the growth of excised tomato roots in aseptic culture at concentrations from 10(-6) to 10(-15) M and also at 10(-20) M. NO growth alterations were observed at 10(-11) M or less, but all compounds caused some inhibition at one or more of the higher concentrations. Inhibitory activity occurred in the order brassinolide > 24-epibrassinolide > 22, 23, 24-trisepibrassinolide > 28-homobrassinolide. Brassinolide first inhibited at 10(-10) M; 28-homobrassinolide at 10(-6) M. The structural features associated with this differential activity are discussed.

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Documento generato il 15/08/20 alle ore 15:09:53