The effect of CCC on the levels of endogenous indole-3-acetic acid, abscisic acid, gibberellins and cytokinins inVicia faba plants
- 1 September 1975
- journal article
- Published by Institute of Experimental Botany in Biologia plantarum
- Vol. 17 (5) , 322-328
- https://doi.org/10.1007/bf02921154
Abstract
Vicia faba plants cv. ‘Erfordia’ were treated with single application of CCC at 250 mg l−1, 7 days before extraction. Such a concentration resulted in a 10.4, 14, 5 and 3.3 fold, respectively, increase in the levels of endogenous IAA, ABA, gibberellins and cytokinins relative to the controls. The results obtained indicate that a single application of CCC at a low concentration was sufficient to enhance the endogenous growth hormones in the treated plants. The results were obtained using GLC analyses for IAA, ABA and cytokinins, and the lettuce hypocotyl and soybean callus bioassay for gibberellins and cytokinins, respectively. Na rostlinyVicia faba cv. ‘Erfordia’ byla aplikována 7 dní před extrakcí jednorázová dávka 250 mg l−1 CCC. Tato koncentrace zvýšila hladinu endogenní kyseliny indolyloctové 10,4krát, kyseliny abscisové 14,5krát, giberelinů (salátový biotest) 3,3krát a cytokininů (plynová chromatografie nebo biotest na kalusech soji) 3,25krát ve srovnání s vodnými kontrolami. Tyto výsledky ukazují, že jednorázová dávka CCC nízké koncentrace stačí u pokusných rostlin ke stimulaci endogenních růstových látek. Obsah růstových látek byl zjištěn pomocí plynové chromatografie v případě kyseliny abscisové, kyseliny indolyloctové a cytokininů, pomocí salátového biotestu na gibereliny a biotestu na kalusech soji pro cytokininy.Keywords
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