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| 125. |  | CRISPIM, S. M. A.; ABREU, U. G. P. de; SORIANO, B. M. A.; DOMINGOS BRANCO, O. Determinação de nutrientes, fibra e lignina em Brachiaria decumbers, Pantanal, Corumbá, Brasil = Determination of nutrients, fiber and lignin in Brachiaria decumbers, Pantanal, Corumbá, Brazil. In: REUNION ASOCIACION LATINOAMERICANA DE PRODUCCION ANIMAL, 20.; REUNION ASOCIACION PERUANA DE PRODUCCION ANIMAL, 30.; CONGRESO INTERNACIONAL DE GANADERIA, 5. Cusco, 2007. Anais...Cusco: APPA, 2007. 4 p. Del 21 al 25 de octubre.| Biblioteca(s): Embrapa Pantanal. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
07/02/2020 |
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Data da última atualização: |
08/01/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
FERREIRA, N. S.; MATOS, G. F.; MENESES, C. H. G. de; REIS, V. M.; ROUWS, J. R. C.; SCHWAB, S.; BALDANI, J. I.; ROUWS, L. F. M. |
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Afiliação: |
Natália S. Ferreira, UFRRJ; Gustavo F. Matos, UFRRJ; Carlos H. S. G. Meneses, UEPB; VERONICA MASSENA REIS, CNPAB; JANAINA RIBEIRO COSTA ROUWS, CNPAB; STEFAN SCHWAB, CNPAB; JOSE IVO BALDANI, CNPAB; LUC FELICIANUS MARIE ROUWS, CNPAB. |
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Título: |
Interaction of phytohormone-producing rhizobia with sugarcane mini-setts and their effect on plant development |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Plant and Soil, Published online 3 January, 2020. |
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DOI: |
https://doi.org/10.1007/s11104-019-04388-0 |
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Idioma: |
Inglês |
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Conteúdo: |
Rhizobia are common members of plant microbiomes. This study aimed to evaluate if rhizobia can colonize sugarcane mini-setts and if and how they affect sprouting and morphological traits of plant development. Bradyrhizobium sacchari strain BR 10280T and Rhizobium sp. strain BR 10268 were inoculated on sugarcane mini-setts and sprouting and plant development were evaluated. Bacterial production of hormones and their effect on plant growth were studied using HPLC and GC-MS / SIM and sugarcane sprouting assays. Colonization was investigated by colony counting and CLSM. Sequence analysis of recA, gyrB and rpoB genes was applied to refine the phylogenetic classification of strain BR 10268. Results BR 10268 had a positive effect on sugarcane mini-sett sprouting and shoot and root growth at 30 and 75 days after transplantation (DAT) and colonized sprouting mini-sett tissues. Few significant effects were observed for B. sacchari BR 10280T . Cell-free BR 10268 supernatant was found to contain gibberellins (GAs) and low concentrations of indole-3-acetic acid (IAA) and trans-zeatin; treatment of mini-setts with GA3 (0.15 or 1.5 μg mL−1 ) affected sprouting in a similar manner as BR 10268 inoculation. BR 10268 was found to be phylogenetically close to R. freirei Rhizobium sp. BR 10268 positively affects h of sugarcane, probably via production of plant hormonal substances, notably gibberellins, thus naturally occurring rhizobia may have potential as sugarcane inoculants. |
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Palavras-Chave: |
Endophytic bacteria; Gibberellins HP; Plant growth promoting bacteria; Scanning microscopy. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02333naa a2200265 a 4500
001 2120009
005 2021-01-08
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s11104-019-04388-0$2DOI
100 1 $aFERREIRA, N. S.
245 $aInteraction of phytohormone-producing rhizobia with sugarcane mini-setts and their effect on plant development$h[electronic resource]
260 $c2020
520 $aRhizobia are common members of plant microbiomes. This study aimed to evaluate if rhizobia can colonize sugarcane mini-setts and if and how they affect sprouting and morphological traits of plant development. Bradyrhizobium sacchari strain BR 10280T and Rhizobium sp. strain BR 10268 were inoculated on sugarcane mini-setts and sprouting and plant development were evaluated. Bacterial production of hormones and their effect on plant growth were studied using HPLC and GC-MS / SIM and sugarcane sprouting assays. Colonization was investigated by colony counting and CLSM. Sequence analysis of recA, gyrB and rpoB genes was applied to refine the phylogenetic classification of strain BR 10268. Results BR 10268 had a positive effect on sugarcane mini-sett sprouting and shoot and root growth at 30 and 75 days after transplantation (DAT) and colonized sprouting mini-sett tissues. Few significant effects were observed for B. sacchari BR 10280T . Cell-free BR 10268 supernatant was found to contain gibberellins (GAs) and low concentrations of indole-3-acetic acid (IAA) and trans-zeatin; treatment of mini-setts with GA3 (0.15 or 1.5 μg mL−1 ) affected sprouting in a similar manner as BR 10268 inoculation. BR 10268 was found to be phylogenetically close to R. freirei Rhizobium sp. BR 10268 positively affects h of sugarcane, probably via production of plant hormonal substances, notably gibberellins, thus naturally occurring rhizobia may have potential as sugarcane inoculants.
653 $aEndophytic bacteria
653 $aGibberellins HP
653 $aPlant growth promoting bacteria
653 $aScanning microscopy
700 1 $aMATOS, G. F.
700 1 $aMENESES, C. H. G. de
700 1 $aREIS, V. M.
700 1 $aROUWS, J. R. C.
700 1 $aSCHWAB, S.
700 1 $aBALDANI, J. I.
700 1 $aROUWS, L. F. M.
773 $tPlant and Soil, Published online 3 January, 2020.
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