Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants

Detalhes bibliográficos
Autor(a) principal: Granada, Camille Eichelberger
Data de Publicação: 2013
Outros Autores: Arruda, Letícia Machado, Lisboa, Bruno Britto, Passaglia, Luciane Maria Pereira, Vargas, Luciano Kayser
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/122640
Resumo: In this study, rhizobia strains isolated from white clover (Trifolium repens) root nodules were evaluated in an effort to identify an efficient nitrogen-fixing rhizobia strain that can also improve the growth of rice plants (Oryza sativa). White clover plants were collected from seven sites in south Brazil, and 78 native rhizobia isolates were obtained. The genetic diversity analysis of those isolates was carried out by BOX-polymerase chain reaction. Overall, the native rhizobia isolated showed a high genetic diversity, but when the bacterial isolates from the same site were compared, the diversity was lower. One native rhizobia, POA3 (isolated from the Porto Alegre locality), was able to promote the growth of both plants and is therefore a good candidate for new inoculant formulation. Finally, we can conclude that the community of native rhizobia symbiont of white clover plants in southern Brazil is highly diverse and the growth promotion effect of rhizobia inoculation on rice plants was more pronounced in a poor nutrient substrate condition than in a rich nutrient substrate condition.
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spelling Granada, Camille EichelbergerArruda, Letícia MachadoLisboa, Bruno BrittoPassaglia, Luciane Maria PereiraVargas, Luciano Kayser2015-08-21T02:35:00Z20130178-2762http://hdl.handle.net/10183/122640000910663In this study, rhizobia strains isolated from white clover (Trifolium repens) root nodules were evaluated in an effort to identify an efficient nitrogen-fixing rhizobia strain that can also improve the growth of rice plants (Oryza sativa). White clover plants were collected from seven sites in south Brazil, and 78 native rhizobia isolates were obtained. The genetic diversity analysis of those isolates was carried out by BOX-polymerase chain reaction. Overall, the native rhizobia isolated showed a high genetic diversity, but when the bacterial isolates from the same site were compared, the diversity was lower. One native rhizobia, POA3 (isolated from the Porto Alegre locality), was able to promote the growth of both plants and is therefore a good candidate for new inoculant formulation. Finally, we can conclude that the community of native rhizobia symbiont of white clover plants in southern Brazil is highly diverse and the growth promotion effect of rhizobia inoculation on rice plants was more pronounced in a poor nutrient substrate condition than in a rich nutrient substrate condition.application/pdfengBiology and fertility of soils. Heidelberg. Vol. 50, n. 1 (Jan 2014), p. 123–132Trifolium repensOryza sativaRhizobiumPlant growth-promoting bacteriaRhizobiaDiversityDiversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plantsEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000910663.pdf000910663.pdfTexto completo (inglês)application/pdf336899http://www.lume.ufrgs.br/bitstream/10183/122640/1/000910663.pdfed5af594c7650809d3384ad527623632MD51TEXT000910663.pdf.txt000910663.pdf.txtExtracted Texttext/plain46585http://www.lume.ufrgs.br/bitstream/10183/122640/2/000910663.pdf.txtcaa648d2223c8337675db8fdecaee801MD52THUMBNAIL000910663.pdf.jpg000910663.pdf.jpgGenerated Thumbnailimage/jpeg1800http://www.lume.ufrgs.br/bitstream/10183/122640/3/000910663.pdf.jpg1d883a692a5ee40d9726b7010dd0f5d8MD5310183/1226402023-12-21 04:32:03.573245oai:www.lume.ufrgs.br:10183/122640Repositório InstitucionalPUBhttps://lume.ufrgs.br/oai/requestlume@ufrgs.bropendoar:2023-12-21T06:32:03Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
title Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
spellingShingle Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
Granada, Camille Eichelberger
Trifolium repens
Oryza sativa
Rhizobium
Plant growth-promoting bacteria
Rhizobia
Diversity
title_short Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
title_full Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
title_fullStr Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
title_full_unstemmed Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
title_sort Diversity of native rhizobia isolated in south Brazil and their growth promotion effect on white clover (Trifolium repens) and rice (Oryza sativa) plants
author Granada, Camille Eichelberger
author_facet Granada, Camille Eichelberger
Arruda, Letícia Machado
Lisboa, Bruno Britto
Passaglia, Luciane Maria Pereira
Vargas, Luciano Kayser
author_role author
author2 Arruda, Letícia Machado
Lisboa, Bruno Britto
Passaglia, Luciane Maria Pereira
Vargas, Luciano Kayser
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Granada, Camille Eichelberger
Arruda, Letícia Machado
Lisboa, Bruno Britto
Passaglia, Luciane Maria Pereira
Vargas, Luciano Kayser
dc.subject.por.fl_str_mv Trifolium repens
Oryza sativa
Rhizobium
topic Trifolium repens
Oryza sativa
Rhizobium
Plant growth-promoting bacteria
Rhizobia
Diversity
dc.subject.eng.fl_str_mv Plant growth-promoting bacteria
Rhizobia
Diversity
description In this study, rhizobia strains isolated from white clover (Trifolium repens) root nodules were evaluated in an effort to identify an efficient nitrogen-fixing rhizobia strain that can also improve the growth of rice plants (Oryza sativa). White clover plants were collected from seven sites in south Brazil, and 78 native rhizobia isolates were obtained. The genetic diversity analysis of those isolates was carried out by BOX-polymerase chain reaction. Overall, the native rhizobia isolated showed a high genetic diversity, but when the bacterial isolates from the same site were compared, the diversity was lower. One native rhizobia, POA3 (isolated from the Porto Alegre locality), was able to promote the growth of both plants and is therefore a good candidate for new inoculant formulation. Finally, we can conclude that the community of native rhizobia symbiont of white clover plants in southern Brazil is highly diverse and the growth promotion effect of rhizobia inoculation on rice plants was more pronounced in a poor nutrient substrate condition than in a rich nutrient substrate condition.
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2015-08-21T02:35:00Z
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dc.relation.ispartof.pt_BR.fl_str_mv Biology and fertility of soils. Heidelberg. Vol. 50, n. 1 (Jan 2014), p. 123–132
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