Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative
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. Coinc...
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2006
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| LEADER | 09728caa a22009977a 4500 | ||
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| 001 | PAPER-21758 | ||
| 003 | AR-BaUEN | ||
| 005 | 20250903104341.0 | ||
| 008 | 190411s2006 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-33748683161 | |
| 030 | |a PTCED | ||
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Pereira-Netto, A.B. | |
| 245 | 1 | 0 | |a Shooting control in Eucalyptus Grandis x E. urophylla hybrid: Comparative effects of 28-homocastasterone and a 5α-monofluoro derivative |
| 260 | |c 2006 | ||
| 270 | 1 | 0 | |m Pereira-Netto, A.B.; Department of Botany-SCB, Centro Politecnico, Federal University of Parana, C.P. 19031, Curitiba, PR 81531-970, Brazil; email: apereira@ufpr.br |
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| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a 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. |l eng | |
| 536 | |a Detalles de la financiación: Acknowledgements The authors thank CNPq-Brasil for financial support and Dr. R.P. Pharis for critically reviewing the manuscript. | ||
| 593 | |a Department of Botany-SCB, Centro Politecnico, Federal University of Parana, C.P. 19031, Curitiba, PR 81531-970, Brazil | ||
| 593 | |a Department of Organic Chemistry, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a 28-HCTS |
| 690 | 1 | 0 | |a 28-HOMOCASTASTERONE |
| 690 | 1 | 0 | |a 5F-HCTS |
| 690 | 1 | 0 | |a APICAL DOMINANCE |
| 690 | 1 | 0 | |a SHOOT ELONGATION |
| 690 | 1 | 0 | |a BIOTECHNOLOGY |
| 690 | 1 | 0 | |a GROWTH KINETICS |
| 690 | 1 | 0 | |a HORMONES |
| 690 | 1 | 0 | |a 28-HCTS |
| 690 | 1 | 0 | |a 28-HOMOCASTASTERONE |
| 690 | 1 | 0 | |a 5F-HCTS |
| 690 | 1 | 0 | |a APICAL DOMINANCE |
| 690 | 1 | 0 | |a SHOOT ELONGATION |
| 690 | 1 | 0 | |a FORESTRY |
| 690 | 1 | 0 | |a BIOTECHNOLOGY |
| 690 | 1 | 0 | |a GROWTH |
| 690 | 1 | 0 | |a HORMONES |
| 690 | 1 | 0 | |a TREES |
| 690 | 1 | 0 | |a EUCALYPTUS |
| 690 | 1 | 0 | |a EUCALYPTUS GRANDIS |
| 690 | 1 | 0 | |a EUCALYPTUS UROPHYLLA |
| 690 | 1 | 0 | |a MAGNOLIOPHYTA |
| 700 | 1 | |a Carvalho-Oliveira, M.M.C. | |
| 700 | 1 | |a Ramírez, Javier Alberto | |
| 700 | 1 | |a Galagovsky, L.R. | |
| 773 | 0 | |d 2006 |g v. 86 |h pp. 329-335 |k n. 3 |p Plant Cell Tissue Organ Cult. |x 01676857 |t Plant Cell, Tissue and Organ Culture | |
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