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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
10/12/2018 |
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Data da última atualização: |
11/11/2021 |
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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: |
RIBEIRO, V. P.; MARRIEL, I. E.; SOUSA, S. M. de; LANA, U. G. de P.; MATTOS, B. B.; PAIVA, C. A. O.; GOMES, E. A. |
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Afiliação: |
VITÓRIA PALHARES RIBEIRO, UNIVERSIDADE FEDERAL DE SÃO JOÃO DEL REI; IVANILDO EVODIO MARRIEL, CNPMS; SYLVIA MORAIS DE SOUSA TINOCO, CNPMS; UBIRACI GOMES DE PAULA LANA, CNPMS; BIANCA BRAZ MATTOS, CNPS; CHRISTIANE ABREU DE OLIVEIRA PAIVA, CNPMS; ELIANE APARECIDA GOMES, CNPMS. |
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Título: |
Endophytic Bacillus strains enhance pearl millet growth and nutrient uptake under low-P. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Brazilian Journal of Microbiology, v. 49S, p. 40-46, 2018. |
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DOI: |
https://doi.org/10.1016/j.bjm.2018.06.005 |
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Idioma: |
Inglês |
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Conteúdo: |
Bacterial endophytes are considered to have a beneficial effect on host plants, improv-ing their growth by different mechanisms. The objective of this study was to investigatethe capacity of four endophytic Bacillus strains to solubilize iron phosphate (Fe-P), pro-duce siderophores and indole-acetic acid (IAA) in vitro, and to evaluate their plant growthpromotion ability in greenhouse conditions by inoculation into pearl millet cultivated ina P-deficient soils without P fertilization, with Araxá rock phosphate or soluble triplesuperphosphate. All strains solubilized Fe-P and three of them produced carboxylate-typesiderophores and high levels of IAA in the presence of tryptophan. Positive effect of inocu-lation of some of these strains on shoot and root dry weight and the N P K content of plantscultivated in soil with no P fertilization might result from the synergistic combination ofmultiple plant growth promoting (PGP) traits. Specifically, while B1923 enhanced shoot androot dry weight and root N P content of plants cultivated with no P added, B2084 and B2088strains showed positive performance on biomass production and accumulation of N P K inthe shoot, indicating that they have higher potential to be microbial biofertilizer candidatesfor commercial applications in the absence of fertilization. |
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Thesagro: |
Estimulante de Crescimento Vegetal; Fosfato; Solubilização. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02069naa a2200241 a 4500
001 2101078
005 2021-11-11
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.bjm.2018.06.005$2DOI
100 1 $aRIBEIRO, V. P.
245 $aEndophytic Bacillus strains enhance pearl millet growth and nutrient uptake under low-P.$h[electronic resource]
260 $c2018
520 $aBacterial endophytes are considered to have a beneficial effect on host plants, improv-ing their growth by different mechanisms. The objective of this study was to investigatethe capacity of four endophytic Bacillus strains to solubilize iron phosphate (Fe-P), pro-duce siderophores and indole-acetic acid (IAA) in vitro, and to evaluate their plant growthpromotion ability in greenhouse conditions by inoculation into pearl millet cultivated ina P-deficient soils without P fertilization, with Araxá rock phosphate or soluble triplesuperphosphate. All strains solubilized Fe-P and three of them produced carboxylate-typesiderophores and high levels of IAA in the presence of tryptophan. Positive effect of inocu-lation of some of these strains on shoot and root dry weight and the N P K content of plantscultivated in soil with no P fertilization might result from the synergistic combination ofmultiple plant growth promoting (PGP) traits. Specifically, while B1923 enhanced shoot androot dry weight and root N P content of plants cultivated with no P added, B2084 and B2088strains showed positive performance on biomass production and accumulation of N P K inthe shoot, indicating that they have higher potential to be microbial biofertilizer candidatesfor commercial applications in the absence of fertilization.
650 $aEstimulante de Crescimento Vegetal
650 $aFosfato
650 $aSolubilização
700 1 $aMARRIEL, I. E.
700 1 $aSOUSA, S. M. de
700 1 $aLANA, U. G. de P.
700 1 $aMATTOS, B. B.
700 1 $aPAIVA, C. A. O.
700 1 $aGOMES, E. A.
773 $tBrazilian Journal of Microbiology$gv. 49S, p. 40-46, 2018.
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