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Auxins increase the occurrence of leaf-colour variants in Caladium regenerated from leaf explants
- Source :
-
Scientia Horticulturae . Mar2004, Vol. 100 Issue 1-4, p153. 7p. - Publication Year :
- 2004
-
Abstract
- Leaf explants of Caladium ‘Pink Cloud’ were cultured in vitro on MS medium containing various auxins (NAA, IBA, IAA, 2,4,5-T and 2,4-D) in combination with cytokinin (BA). NAA gave the most vigorous in vitro propagation of this plant, and only 15% of the plants were leaf-colour variants on the medium containing 0.5 μmol NAA. Leaf colour variation was observed in all plants regenerated on the medium containing 2,4-D at 0.5–4.5 μmol. In hormone-free medium, only a few leaf-colour variants (6%) occurred, but the rate of plant regeneration was very low. Application of 0.5 μmol NAA together with 4.5 μmol BA seemed to be the most appropriate for in vitro propagation of Caladium ‘Pink Cloud’ with only a few leaf-colour variants. [Copyright &y& Elsevier]
- Subjects :
- *AUXIN
*CALADIUM
*PLANT micropropagation
*PLANT hormones
Subjects
Details
- Language :
- English
- ISSN :
- 03044238
- Volume :
- 100
- Issue :
- 1-4
- Database :
- Academic Search Index
- Journal :
- Scientia Horticulturae
- Publication Type :
- Academic Journal
- Accession number :
- 12740768
- Full Text :
- https://doi.org/10.1016/j.scienta.2003.08.012