Cytokinin activity induced by thidiazuron

The diphenylurea derivative thidiazuron induces a variety of cytokinin responses. Levels above 5 × 10-9 molar and 4 × 10-7 molar stimulate maximum soybean callus growth and radish cotyledon expansion, respectively. A wider range of dose response related effects follows thidiazuron induced tobacco pl...

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Veröffentlicht in:	Plant physiology (Bethesda) 1986-06, Vol.81 (2), p.681-683
Hauptverfasser:	Thomas, J.C, Katterman, F.R
Format:	Artikel
Sprache:	eng
Schlagworte:	Bioassay Biological and medical sciences Callus CITOCININAS Cotyledons CRECIMIENTO CROISSANCE CYTOKININE CYTOKININS Fundamental and applied biological sciences. Psychology GLYCINE MAX GROWTH Growth regulators HERBICIDAS HERBICIDE HERBICIDES Metabolism NICOTIANA TABACUM Plant physiology and development Plant tissues Plantlets Plants PURINAS PURINE PURINES Radishes RAPHANUS SATIVUS REGENERACION REGENERATION Short Communications Soybeans
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Beschreibung
Zusammenfassung:	The diphenylurea derivative thidiazuron induces a variety of cytokinin responses. Levels above 5 × 10-9 molar and 4 × 10-7 molar stimulate maximum soybean callus growth and radish cotyledon expansion, respectively. A wider range of dose response related effects follows thidiazuron induced tobacco plant regeneration. Analysis of soybean callus extracts strongly suggests that thidiazuron treatment creates an accumulation and/or synthesis of purine cytokinins, able to induce the growth, expansion and regeneration, mentioned above.
ISSN:	0032-0889 1532-2548
DOI:	10.1104/pp.81.2.681