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| Registros recuperados : 7 | |
| 7. |  | RIVERA, E. C.; QUEIROZ, J. F. de; FERRAZ, J. M. G.; ORTEGA, E. Systems models to evaluate eutrophication in the Broa Reservoir, São Carlos, Brazil. Ecological Modelling, Amsterdam, v. 202, n.3-4. p. 518-526, 2007.| Biblioteca(s): Embrapa Meio Ambiente. |
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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
|
Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
15/06/2022 |
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Data da última atualização: |
15/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SILVA, M. S. R. de A. da; HUERTAS TAVARES, O. C.; OLIVEIRA, I. S. R. de; SILVA, C. S. R. de A. da; SILVA, C. S. R. de A. da; VIDAL, M. S.; BALDANI, J. I.; JESUS, E. da C. |
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Afiliação: |
MAURA SANTOS REIS DE ANDRADE DA SILVA, UNESP; ORLANDO CARLOS HUERTAS TAVARES, UFRRJ; ISABELLY SANTOS ROSADO DE OLIVEIRA, UFRRJ; CAMILLA SANTOS REIS DE ANDRADE DA SILVA, UFRRJ; CAROLINA SANTOS REIS DE ANDRADE DA SILVA, UFRRJ; MARCIA SOARES VIDAL, CNPAB; JOSE IVO BALDANI, CNPAB; EDERSON DA CONCEICAO JESUS, CNPAB. |
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Título: |
Stimulatory effects of defective and effective 3-indoleacetic acid-producing bacterial strains on rice in an advanced stage of its vegetative cyclE. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Environmental Microbiology, v. 53, p. 281?288, 2022. |
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ISSN: |
1098-5336 |
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DOI: |
https://doi.org/10.1007/s42770-021-00651-8 |
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Idioma: |
Inglês |
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Conteúdo: |
The production of 3-indoleacetic acid (IAA) by plant growth-promoting bacteria (PGPR) stimulates root development and plant growth. In addition, morphological changes such as an increased root ramification and root hair production improves nutrient absorption and biomass accumulation. The objective of this work was to evaluate the effect of IAA-producing strains on rice in an advanced stage of its vegetative cycle. Rice was inoculated with Gluconacetobacter diazotrophicus PAL 5 and its lao- mutant, deficient in auxin production, Azospirillum baldaniorum Sp 245, and Escherichia coli DH10b. Both the mutant and wild-type G. diazotrophicus stimulated root elongation, area, volume, and diameter. However, the lao- mutant strain was the only one capable of increasing the number of roots. In turn, inoculation with A. baldaniorum had no significant effect on plant development. The inoculation with E. coli led to changes in root volume, area, and diameter, and a response that may be related to the stress caused by its presence. We conclude that the inoculation with G. diazotrophicus stimulates the root system?s growth independently of their IAA production ability, suggesting that a metabolite other than IAA is responsible for this effect at advanced stages of the rice?s vegetative cycle. |
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Thesagro: |
Oryza Sativa. |
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Thesaurus NAL: |
Auxins; Gluconacetobacter diazotrophicus. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02198naa a2200265 a 4500
001 2144127
005 2022-06-15
008 2022 bl uuuu u00u1 u #d
022 $a1098-5336
024 7 $ahttps://doi.org/10.1007/s42770-021-00651-8$2DOI
100 1 $aSILVA, M. S. R. de A. da
245 $aStimulatory effects of defective and effective 3-indoleacetic acid-producing bacterial strains on rice in an advanced stage of its vegetative cyclE.$h[electronic resource]
260 $c2022
520 $aThe production of 3-indoleacetic acid (IAA) by plant growth-promoting bacteria (PGPR) stimulates root development and plant growth. In addition, morphological changes such as an increased root ramification and root hair production improves nutrient absorption and biomass accumulation. The objective of this work was to evaluate the effect of IAA-producing strains on rice in an advanced stage of its vegetative cycle. Rice was inoculated with Gluconacetobacter diazotrophicus PAL 5 and its lao- mutant, deficient in auxin production, Azospirillum baldaniorum Sp 245, and Escherichia coli DH10b. Both the mutant and wild-type G. diazotrophicus stimulated root elongation, area, volume, and diameter. However, the lao- mutant strain was the only one capable of increasing the number of roots. In turn, inoculation with A. baldaniorum had no significant effect on plant development. The inoculation with E. coli led to changes in root volume, area, and diameter, and a response that may be related to the stress caused by its presence. We conclude that the inoculation with G. diazotrophicus stimulates the root system?s growth independently of their IAA production ability, suggesting that a metabolite other than IAA is responsible for this effect at advanced stages of the rice?s vegetative cycle.
650 $aAuxins
650 $aGluconacetobacter diazotrophicus
650 $aOryza Sativa
700 1 $aHUERTAS TAVARES, O. C.
700 1 $aOLIVEIRA, I. S. R. de
700 1 $aSILVA, C. S. R. de A. da
700 1 $aSILVA, C. S. R. de A. da
700 1 $aVIDAL, M. S.
700 1 $aBALDANI, J. I.
700 1 $aJESUS, E. da C.
773 $tEnvironmental Microbiology$gv. 53, p. 281?288, 2022.
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