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- Title
Meta-topolin, an alternative to benzyladenine in tissue culture?
- Authors
Werbrouck, Stefaan P. O.; Strnad, Miroslav; Van Onckelen, Henry A.; Debergh, Pierre C.
- Abstract
The metabolism and the in vitro effects of the cytokinin N6-(3-hydroxybenzyl)adenine (meta-topolin, mT) were compared with those of N6-benzyladenine (BA). N6benzyl-9-(2-tetrahydropyranyl)adenine (BPA) and N6-benzyladenine-9-riboside ([9R]BA) in micropropagated Spathiphyllum floribundum Schott cv. Peptite. In vitro, BA, BPA and [9R]BA were mainly converted into the stable derivative N6-benzyladenine-9-glucoside ([9G]BA). located at the basal part of the plant. N6-(3-O-β-D-glucopyranosyl) benzyladenine-9-riboside [(OG[9R]mT] was the main derivative of mT. This new cytokinin-O-glucoside, which was present in all plant parts, was metabolized much faster than [9G]BA during acclimatization. The effect of BA and mT on in vitro shoot and root production and post vitro rooting was compared. Only mT combined a good shoot production with in vitro root formation. The plants that developed on medium with 10 μM or more mT rooted better during acclimatization than those developed on medium with equimolar concentrations of BA.
- Subjects
PLANTS; SPATHIPHYLLUM; CYTOKININS; BENZYLAMINOPURINE; PLANT hormones; PLANT micropropagation
- Publication
Physiologia Plantarum, 1996, Vol 98, Issue 2, p291
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1034/j.1399-3054.1996.980210.x