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Abstract:

28-Homocastasterone (28-HCTS), a brassinosteroid, was used to treat in vitro-grown shoots of a hybrid between Eucalyptus grandis and E. urophylla. Treated shoots showed enhanced elongation and formation of new main shoots (the shoots originating directly from the initial explant) at low doses. Coincidently, there was reduced elongation and formation of primary lateral shoots (shoots originating from the main shoot). However, a 5α-monofluoro derivative of 28-HCTS (5F-HCTS) was unable to either stimulate elongation or formation of new main shoots, although it did stimulate elongation of primary lateral shoots. In conclusion, it is quite apparent that exogenously supplied brassinosteroids are able to change shooting patterns in Eucalyptus. These findings have practical biotechnological applications, for example on the improvement of micropropagation techniques for clonal propagation of woody angiosperms. © Springer Science+Business Media B.V. 2006.

Registro:

Documento: Artículo
Título:Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative
Autor:Pereira-Netto, A.B.; Carvalho-Oliveira, M.M.C.; Ramírez, J.A.; Galagovsky, L.R.
Filiación:Department of Botany-SCB, Centro Politecnico, Federal University of Parana, C.P. 19031, Curitiba, PR 81531-970, Brazil
Department of Organic Chemistry, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:28-HCTS; 28-homocastasterone; 5F-HCTS; Apical dominance; Shoot elongation; Biotechnology; Growth kinetics; Hormones; 28-HCTS; 28-homocastasterone; 5F-HCTS; Apical dominance; Shoot elongation; Forestry; Biotechnology; Growth; Hormones; Trees; Eucalyptus; Eucalyptus grandis; Eucalyptus urophylla; Magnoliophyta
Año:2006
Volumen:86
Número:3
Página de inicio:329
Página de fin:335
DOI: http://dx.doi.org/10.1007/s11240-006-9124-0
Título revista:Plant Cell, Tissue and Organ Culture
Título revista abreviado:Plant Cell Tissue Organ Cult.
ISSN:01676857
CODEN:PTCED
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01676857_v86_n3_p329_PereiraNetto

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Citas:

---------- APA ----------
Pereira-Netto, A.B., Carvalho-Oliveira, M.M.C., Ramírez, J.A. & Galagovsky, L.R. (2006) . Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative. Plant Cell, Tissue and Organ Culture, 86(3), 329-335.
http://dx.doi.org/10.1007/s11240-006-9124-0
---------- CHICAGO ----------
Pereira-Netto, A.B., Carvalho-Oliveira, M.M.C., Ramírez, J.A., Galagovsky, L.R. "Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative" . Plant Cell, Tissue and Organ Culture 86, no. 3 (2006) : 329-335.
http://dx.doi.org/10.1007/s11240-006-9124-0
---------- MLA ----------
Pereira-Netto, A.B., Carvalho-Oliveira, M.M.C., Ramírez, J.A., Galagovsky, L.R. "Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative" . Plant Cell, Tissue and Organ Culture, vol. 86, no. 3, 2006, pp. 329-335.
http://dx.doi.org/10.1007/s11240-006-9124-0
---------- VANCOUVER ----------
Pereira-Netto, A.B., Carvalho-Oliveira, M.M.C., Ramírez, J.A., Galagovsky, L.R. Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative. Plant Cell Tissue Organ Cult. 2006;86(3):329-335.
http://dx.doi.org/10.1007/s11240-006-9124-0