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16. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ALMEIDA, H.A. de; MACHADO, R.C.R. Caracteristicas, termodinâmicas do ar no interior de platações de cacau, no Sudeste da Bahia. Revista Brasileira de Agrometeorologia, Sete Lagoas, MG, v. 16, n. 1, p. 39-48, abr. 2008. Biblioteca(s): Epagri-Sede. |
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Registro Completo
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
19/06/2017 |
Data da última atualização: |
19/06/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - B |
Autoria: |
MACHADO, R. G.; SÁ, E. L. S.; OLDRA, S.; COSTA, M. D.; DALL¿AGNOL, G.; SANTOS, N. S.; SILVA, W. R. |
Título: |
Rhizobia isolation and selection for serradella (Ornithopus micranthus) in Southern Brazil. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
African Journal of Microbiology Research, Ebène, v. 10, n. 45, p. 1894-1907, 2016. |
Idioma: |
Inglês |
Conteúdo: |
Serradella is a plant that belongs to the Fabaceae family, with recognized forage value and has the
ability to associate symbiotically with rhizobia. The objective of this study was to isolate, authenticate
and select effective rhizobia obtained from native serradella (Ornithopus micranthus) to reduce the
need for mineral fertilizer. Nodules, roots of serradella and rhizosphere soil samples were collected in
seven municipalities from Rio Grande do Sul and Santa Catarina states. Bacterial colonies were
isolated and identified based on morphological characteristics. The authentification and initial selection
of rhizobia were conducted in vitro. The most promising strains from the in vitro study were evaluated
in a greenhouse experiment for 60 days. Among the 148 bacterial cultures characterized, 113 induced
the formation of nodules in serradella while 32 isolate effectively increased fresh mass of plants under
in vitro conditions. The strains UFRGS Om57, UFRGS Om59 and UFRGS Om148 formed nodules with
greater dry mass and produced high dry mass of plants (shoots and roots) which allowed greater
accumulation of N in the shoots. |
Palavras-Chave: |
biological fixation of nitrogen; Ornithopus micrantus; pasture; Plant growth promoting rhizobacteria (PGPR). |
Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01908naa a2200241 a 4500 001 1126271 005 2017-06-19 008 2016 bl uuuu u00u1 u #d 100 1 $aMACHADO, R. G. 245 $aRhizobia isolation and selection for serradella (Ornithopus micranthus) in Southern Brazil.$h[electronic resource] 260 $c2016 520 $aSerradella is a plant that belongs to the Fabaceae family, with recognized forage value and has the ability to associate symbiotically with rhizobia. The objective of this study was to isolate, authenticate and select effective rhizobia obtained from native serradella (Ornithopus micranthus) to reduce the need for mineral fertilizer. Nodules, roots of serradella and rhizosphere soil samples were collected in seven municipalities from Rio Grande do Sul and Santa Catarina states. Bacterial colonies were isolated and identified based on morphological characteristics. The authentification and initial selection of rhizobia were conducted in vitro. The most promising strains from the in vitro study were evaluated in a greenhouse experiment for 60 days. Among the 148 bacterial cultures characterized, 113 induced the formation of nodules in serradella while 32 isolate effectively increased fresh mass of plants under in vitro conditions. The strains UFRGS Om57, UFRGS Om59 and UFRGS Om148 formed nodules with greater dry mass and produced high dry mass of plants (shoots and roots) which allowed greater accumulation of N in the shoots. 653 $abiological fixation of nitrogen 653 $aOrnithopus micrantus 653 $apasture 653 $aPlant growth promoting rhizobacteria (PGPR) 700 1 $aSÁ, E. L. S. 700 1 $aOLDRA, S. 700 1 $aCOSTA, M. D. 700 1 $aDALL¿AGNOL, G. 700 1 $aSANTOS, N. S. 700 1 $aSILVA, W. R. 773 $tAfrican Journal of Microbiology Research, Ebène$gv. 10, n. 45, p. 1894-1907, 2016.
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