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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
19/10/2012 |
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Data da última atualização: |
19/10/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FARIA, D. C.; DIAS, A. C. F.; MELO, I. S. de; COSTA, F. E. C. |
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Afiliação: |
DEISE CRISTINA FARIA, UNIVAS; ARMANDO CAVALCANTE FRANCO DIAS, CENA-USP; ITAMAR SOARES DE MELO, CNPMA; FRANCISCO EDUARDO DE CARVALHO COSTA, INATEL. |
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Título: |
Endophytic bacteria isolated from orchid and their potential to promote plant growth. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
World Journal of Microbiology & Biotechnology, Oxford, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Twelve endophytic bacteria were isolated from the meristem of in vitro Cymbidium eburneum orchid, and screened according to indole yield quantified by colorimetric assay, in vitro phosphate solubilization, and potential for plant growth promotion under greenhouse conditions. Eight strains with positive results were classified into the genus Paenibacillus by FAME profile, and evaluated for their ability to increase survival and promote the growth of in vitro germinated Cattleya loddigesii seedlings during the acclimatization process. The obtained results showed that all strains produced detectable indole levels and did not exhibit potential for solubilizing inorganic phosphate. Particularly, an increase of the total biomass and number of leaves was observed. Two strains of Paenibacillus macerans promoted plant growth under greenhouse conditions. None of the treatments had a deleterious effect on growth of inoculated plants. These results suggest that these bacterial effects could be potentially useful to promote plant growth during seedling acclimatization in orchid species other than the species of origin. |
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Palavras-Chave: |
Auxin production; In vitro cultivation; Phosphate solubilization. |
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Thesaurus Nal: |
Cattleya loddigesii. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01765naa a2200205 a 4500
001 1937317
005 2012-10-19
008 2012 bl uuuu u00u1 u #d
100 1 $aFARIA, D. C.
245 $aEndophytic bacteria isolated from orchid and their potential to promote plant growth.$h[electronic resource]
260 $c2012
520 $aAbstract: Twelve endophytic bacteria were isolated from the meristem of in vitro Cymbidium eburneum orchid, and screened according to indole yield quantified by colorimetric assay, in vitro phosphate solubilization, and potential for plant growth promotion under greenhouse conditions. Eight strains with positive results were classified into the genus Paenibacillus by FAME profile, and evaluated for their ability to increase survival and promote the growth of in vitro germinated Cattleya loddigesii seedlings during the acclimatization process. The obtained results showed that all strains produced detectable indole levels and did not exhibit potential for solubilizing inorganic phosphate. Particularly, an increase of the total biomass and number of leaves was observed. Two strains of Paenibacillus macerans promoted plant growth under greenhouse conditions. None of the treatments had a deleterious effect on growth of inoculated plants. These results suggest that these bacterial effects could be potentially useful to promote plant growth during seedling acclimatization in orchid species other than the species of origin.
650 $aCattleya loddigesii
653 $aAuxin production
653 $aIn vitro cultivation
653 $aPhosphate solubilization
700 1 $aDIAS, A. C. F.
700 1 $aMELO, I. S. de
700 1 $aCOSTA, F. E. C.
773 $tWorld Journal of Microbiology & Biotechnology, Oxford, 2012.
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| 1. |  | SILVA, Z. A. G. P. da G.; FRANKE, I. L.; OLIVEIRA, E. C. de. Analise economica de quatro sistemas agroflorestais diferentes implantados no estado do Acre. In: CONGRESSO BRASILEIRO SOBRE SISTEMAS AGROFLORESTAIS, 1.; ENCONTRO SOBRE SISTEMAS AGROFLORESTAIS NOS PAÍSES DO MERCOSUL, 1., 1994, Porto Velho. Anais. Colombo: EMBRAPA-CNPF, 1994. v. 2, p. 399-414. (EMBRAPA-CNPF. Documentos, 27). Tema Central: Sistemas Agroflorestais no Desenvolvimento Sustentável. v.2 Trabalhos voluntarios. Editores Luciano J. Montoya e Moacir J.S. Medrado.| Biblioteca(s): Embrapa Florestas. |
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