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| Registros recuperados : 13 | |
| 2. |  | PEREIRA, C.E.; OLIVEIRA, J.A.; OLIVEIRA, G.E.; REOSA, M.C.M.; COSTA NETO, J. Tratamento fungicida via peliculização e inoculação de Bradyrhizobium em sementes de soja. Revista Ciência Agronômica, Fortaleza, CE, v. 40, n. 3, p.433-440, jul./set. 2009| Biblioteca(s): Epagri-Sede. |
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| 3. | | SILVA, M. N.; LARANGEIRA, D. F.; PENHA, E. M.; ORIÁ, A. P.; COSTA NETO, J. M.; BARROUIN-MELO, S. M. Ectopia ureteral unilateral congênita em uma cadela Teckel Dachshund com pelagem arlequim #31;- relato de caso. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, MG, v. 64, n. 6, p. 1504-1510, dez. 2012.| Biblioteca(s): Epagri-Sede. |
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| 4. | | PEREIRA, C.E.; OLIVEIRA, J.A.; COSTA NETO, J.; MOREIRA, F.M. de S.; VIEIRA, A.R. Tratamento inseticida, peliculização e inoculação de sementes de soja com rizóbio. Revista Ceres, Viçosa, MG, v. 57, n. 5, p. 653-658, set./out. 2010.| Biblioteca(s): Epagri-Sede. |
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| 5. | | FANTINATTI, A.P.; DALECK, C.R.; NUNES, N.; ALESSI, A.C.; COSTA NETO, J.M.da; VICENTI, F.A.M.; DUQUE, J.C.; SANTOS, P.S.P.dos. Laparoscopy hepatic biopsy through cauterization. Ciencia Rural, Santa Maria, v.33, n.4, p.703-707, set./out. 2003.| Biblioteca(s): Epagri-Sede. |
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| 6. | | CAMACHO, B.G.L.; BORGES, A.P.B.; COSTA NETO, J.M.da; MAIA, R.E.de N.; VITAL, C.C.; FONTES, E.B.; CARVALHO, T.B.; CARLO, E.C. Artrodese tibiotarsica com utilizacao de parafusos de aco inoxidavel 304L auto-atarraxantes: estudo experimental em caes. Revista Ceres, Vicosa, v.54, n.16, p.479-486, nov./dez. 2007.| Biblioteca(s): Epagri-Sede. |
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| 7. | | D´ASSIS, M.J.M.H.; COSTA NETO, J.M. da C.; ESTRELA-LIMA, A. da S.; MARTINS FILHO, E.F.; TORÍBIO, J.M. de M L.; TEIXEIRA, R. G. Colopexia e deferentopexia associadas à omentopexia no tratamento da hérnia perineal em cães: um estudo de trinta casos. Ciência Rural, Santa Maria, RS, V. 40, n. 2, p. 371-377, fev. 2010.| Biblioteca(s): Epagri-Sede. |
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| 8. | | TORÍBIO, J. M. de M. L.; COSTA NETO, J. M. da; BAVIA, M. E.; LIMA, A. E. da S.; CARDIM, L. L.; CARNEIRO, D. D. M. T.; MARTINS FILHO, E. F.; RIBEIRO, L. G. R. Detecção de aglomerados espaciais de casos de neoplasia mamária em cães no município de Salvador, Bahia. Ciência Rural, Santa Maria, RS, v. 42, n.1, p. 98-104, jan. 2012.| Biblioteca(s): Epagri-Sede. |
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| 9. | | COSTA NETO, J. M. da; SILVA, A. E. da; MARTINS FILHO, E. F.; RIBEIRO, L. G. R.; GAMA, R. O. G.; PENHA, E. M.; TORÍBIO, J. M. de M. L.; GOMES JÚNIOR, D. C. Ectopia ureteral em cães: relato de dois casos. Arquivos de Ciências Veterinárias e Zoologia da Unipar, Umuarama, PR, v. 14, n. 2, p. 151-156, jul./dez. 2011.| Biblioteca(s): Epagri-Sede. |
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| 10. | | TORÍBIO, J. M. de M. L.; LIMA, A. E.; MARTINS FILHO, E. F. M.; RIBEIRO, L. G. R.; D'ASSIS, M. J. M. H.; TEIXEIRA, R. G.; DAMASCENO, K. A.; CASSALI, G. D.; COSTA NETO, J. M. da. Obstrução do trato digestório em animais de companhia, atendidos em um Hospital Veterinário no ano de 2010. Revista Ceres, Viçosa, v. 59, n. 4, p. 434-445, jul./ago, 2012.| Biblioteca(s): Epagri-Sede. |
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| 11. | | COSTA NETO, J. M.; SOUZA, C. M. B.; TORÍBIO, J. M. de M. L.; TEIXEIRA, R. G.; MASUKO, T. S.; D`ASSIS, M. J. M. H.; MARTINS FILHO, E. F. Prolapso uretral em cães: relato de casos. Arquivos de Ciências Veterinárias e Zoologia da Unipar, Umuarama, PR, v.12, n.1, p. 79-86, jan./jun. 2009.| Biblioteca(s): Epagri-Sede. |
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| 12. | | COSTA NETO, J.M.da; MENEZES, V.P.; NOBREGA NETO, P.I.da; VIEIRA JUNIOR, A.S.; TORIBIO, J.M.de M.L.; D'ASSIS, M.J.M.; TEIXEIRA, R.G. Uso do silicone por condensacao para remocao do saco anal em caes. Revista Ceres, Vicosa, v. 54, n. 313, p. 291-296, maio/jun. 2007.| Biblioteca(s): Epagri-Sede. |
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| 13. | | SILVA, F. B. da; LIMA, A. E. da S.; RIBEIRO, L. G. R.; COSTA NETO, J. M. da; COSTA, A. C. F.; SILVEIRA, C. P. B. da; MELLO, S. B.; LARANJEIRA, D. F.; ORIÁ, A. P. Utilização do aglepristone no tratamento da hiperplasia fibroepitelial mamária felina. Veterinária e Zootecnia, Botucatu, SP, v. 19, n. 3, p. 399-406, set. 2012.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 13 | |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
07/05/2012 |
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Data da última atualização: |
07/05/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
-- - -- |
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Autoria: |
ZAFFARI, G. R.; PERES, L. E. P.; SUZUKI, R. M.; KERBAUY, G. B. |
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Afiliação: |
Epagri |
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Título: |
Off-type micropropagated banana plants: endogenous levels of auxin, cytokinins and iaa-oxidase. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Acta Horticulturae, Brussels, n. 520, p. 219-227, 2000. |
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Idioma: |
Inglês |
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Conteúdo: |
The occurrence of dwarfism and variegation is an extensive and severe limitation for banana (Musa spp. AAA) micropropagation. Dwarf and normal plants were cultured (30 days) in vitro on MS-media with addition of gibberellic acid (GA3). indoleacetic acid (IAA), L- tryptophan or D-tryptophan (Trp) , and variegated plants were grown in the greenhouse. The endogenous leveis of cytokinins (CKs), indoleacetic acid (IAA) and IAA-oxidase were studied in dwarf and normal banana plants and in variegated leaves. Extracts were fractionated by HPLC and IAA and CKs were quantified by ELISA. GA3 was the most stimulating substance on growth of both normal and dwarf plants. IAA leveIs were significantly enhanced with L-Trp and GA3. It is interesting to highlight the fact that the amount of IAA found in the dwarf material was significantly higher than in material from normal plants. These results seem to be indirectly reinforced by the high leveIs of IAA-conjugate measured in normal plants and its low amount in dwarf plants. In the variegated leaves, a significantly higher activity of IAA-oxidase was detected in green and yellow sectors as compared to normal and dwarf green leaves. Total CK leveI (zeatin, Z; zeatin riboside, [9R]Z; isopentenyl-adenine, iP; and isopentenyladenosine, [9R]iP) in the variegated leaves was about 2 times lower than in normal leaves, diminishing to a value of 10 times when only yellow sectors were took into account. These results indicate that in the variegated material IAA-cytokinin ratio is mainly affected by IAA oxidation rather then hy conjugation processes. ' MenosThe occurrence of dwarfism and variegation is an extensive and severe limitation for banana (Musa spp. AAA) micropropagation. Dwarf and normal plants were cultured (30 days) in vitro on MS-media with addition of gibberellic acid (GA3). indoleacetic acid (IAA), L- tryptophan or D-tryptophan (Trp) , and variegated plants were grown in the greenhouse. The endogenous leveis of cytokinins (CKs), indoleacetic acid (IAA) and IAA-oxidase were studied in dwarf and normal banana plants and in variegated leaves. Extracts were fractionated by HPLC and IAA and CKs were quantified by ELISA. GA3 was the most stimulating substance on growth of both normal and dwarf plants. IAA leveIs were significantly enhanced with L-Trp and GA3. It is interesting to highlight the fact that the amount of IAA found in the dwarf material was significantly higher than in material from normal plants. These results seem to be indirectly reinforced by the high leveIs of IAA-conjugate measured in normal plants and its low amount in dwarf plants. In the variegated leaves, a significantly higher activity of IAA-oxidase was detected in green and yellow sectors as compared to normal and dwarf green leaves. Total CK leveI (zeatin, Z; zeatin riboside, [9R]Z; isopentenyl-adenine, iP; and isopentenyladenosine, [9R]iP) in the variegated leaves was about 2 times lower than in normal leaves, diminishing to a value of 10 times when only yellow sectors were took into account. These results indicate that in the variegated mate... Mostrar Tudo |
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Palavras-Chave: |
Banana; Dwarfism; Growth regulators; SomacIonal variation; Variegation. |
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Categoria do assunto: |
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Marc: |
LEADER 02113naa a2200181 a 4500
001 1084755
005 2012-05-07
008 2000 bl uuuu u00u1 u #d
100 1 $aEpagri
245 $aOff-type micropropagated banana plants$bendogenous levels of auxin, cytokinins and iaa-oxidase.
260 $c2000
520 $aThe occurrence of dwarfism and variegation is an extensive and severe limitation for banana (Musa spp. AAA) micropropagation. Dwarf and normal plants were cultured (30 days) in vitro on MS-media with addition of gibberellic acid (GA3). indoleacetic acid (IAA), L- tryptophan or D-tryptophan (Trp) , and variegated plants were grown in the greenhouse. The endogenous leveis of cytokinins (CKs), indoleacetic acid (IAA) and IAA-oxidase were studied in dwarf and normal banana plants and in variegated leaves. Extracts were fractionated by HPLC and IAA and CKs were quantified by ELISA. GA3 was the most stimulating substance on growth of both normal and dwarf plants. IAA leveIs were significantly enhanced with L-Trp and GA3. It is interesting to highlight the fact that the amount of IAA found in the dwarf material was significantly higher than in material from normal plants. These results seem to be indirectly reinforced by the high leveIs of IAA-conjugate measured in normal plants and its low amount in dwarf plants. In the variegated leaves, a significantly higher activity of IAA-oxidase was detected in green and yellow sectors as compared to normal and dwarf green leaves. Total CK leveI (zeatin, Z; zeatin riboside, [9R]Z; isopentenyl-adenine, iP; and isopentenyladenosine, [9R]iP) in the variegated leaves was about 2 times lower than in normal leaves, diminishing to a value of 10 times when only yellow sectors were took into account. These results indicate that in the variegated material IAA-cytokinin ratio is mainly affected by IAA oxidation rather then hy conjugation processes. '
653 $aBanana
653 $aDwarfism
653 $aGrowth regulators
653 $aSomacIonal variation
653 $aVariegation
773 $tActa Horticulturae, Brussels$gn. 520, p. 219-227, 2000.
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