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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
09/02/2018 |
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Data da última atualização: |
29/11/2018 |
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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: |
JESUS, E. da C.; LEITE, R. de A.; BASTOS, R. do A.; ARAGÃO, O. O. da S.; ARAUJO, A. P. |
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Afiliação: |
EDERSON DA CONCEICAO JESUS, CNPAB; RAFAEL DE ALMEIDA LEITE, UFRRJ; RENNAN DO AMARAL BASTOS, INSTITUTO FEDERAL DE EDUCAÇÃO, CIÊNCIA E TECNOLOGIA DO ACRE; OSNAR OBEDE DA SILVA ARAGÃO, UFRRJ; ADELSON PAULO ARAÚJO, UFRRJ. |
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Título: |
Co-inoculation of Bradyrhizobium stimulates the symbiosis efficiency of Rhizobium with common bean. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Plant and Soil, v. 425, n, 1?2, p. 201?215, 2018. |
|
Idioma: |
Inglês |
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Conteúdo: |
Background and aims Common bean (Phaseolus vulgaris L.) nodulates with a wide range of rhizobia. Amongst these is Bradyrhizobium, which is inefficient but able to induce profuse nodulation on this crop. Based on this observation, we tested whether coinoculating bradyrhizobia with a more standard common bean symbiont, Rhizobium tropici, could stimulate growth and nodulation of common bean, thus contributing to a more effective symbiosis. Methods Rhizobium tropici was co-inoculated with two Bradyrhizobium strains applied at three different doses (104, 106, and 108 CFU seed−1) under sterile conditions, and at a single dose (108 CFU seed−1) in non-sterile soil. Plant biomass, nodulation, and N accumulation in plant tissues were evaluated. Results Co-inoculated plants produced more nodules, and accumulated more shoot dry biomass and nitrogen than plants inoculated with R. tropici alone under gnotobiotic conditions. Significant responses were observed at the highest inoculum dose and a significant correlation between dose and shoot dry weight was observed. Co-inoculation increased biomass and N accumulation in non-sterile soil, although with a smaller magnitude. Conclusions Altogether, our findings suggest that the co-inoculation with bradyrhizobia contributed to an improved symbiotic interaction between R. tropici and common beans. |
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Palavras-Chave: |
Plant growth promoting rhizobacteria. |
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Thesagro: |
Phaseolus Vulgaris. |
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Thesaurus NAL: |
nodulation. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02004naa a2200205 a 4500
001 2087590
005 2018-11-29
008 2018 bl uuuu u00u1 u #d
100 1 $aJESUS, E. da C.
245 $aCo-inoculation of Bradyrhizobium stimulates the symbiosis efficiency of Rhizobium with common bean.$h[electronic resource]
260 $c2018
520 $aBackground and aims Common bean (Phaseolus vulgaris L.) nodulates with a wide range of rhizobia. Amongst these is Bradyrhizobium, which is inefficient but able to induce profuse nodulation on this crop. Based on this observation, we tested whether coinoculating bradyrhizobia with a more standard common bean symbiont, Rhizobium tropici, could stimulate growth and nodulation of common bean, thus contributing to a more effective symbiosis. Methods Rhizobium tropici was co-inoculated with two Bradyrhizobium strains applied at three different doses (104, 106, and 108 CFU seed−1) under sterile conditions, and at a single dose (108 CFU seed−1) in non-sterile soil. Plant biomass, nodulation, and N accumulation in plant tissues were evaluated. Results Co-inoculated plants produced more nodules, and accumulated more shoot dry biomass and nitrogen than plants inoculated with R. tropici alone under gnotobiotic conditions. Significant responses were observed at the highest inoculum dose and a significant correlation between dose and shoot dry weight was observed. Co-inoculation increased biomass and N accumulation in non-sterile soil, although with a smaller magnitude. Conclusions Altogether, our findings suggest that the co-inoculation with bradyrhizobia contributed to an improved symbiotic interaction between R. tropici and common beans.
650 $anodulation
650 $aPhaseolus Vulgaris
653 $aPlant growth promoting rhizobacteria
700 1 $aLEITE, R. de A.
700 1 $aBASTOS, R. do A.
700 1 $aARAGÃO, O. O. da S.
700 1 $aARAUJO, A. P.
773 $tPlant and Soil$gv. 425, n, 1?2, p. 201?215, 2018.
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