Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria

Autores
Valetti, Lucio; Iriarte, Liliana Beatriz; Fabra, Adriana
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Inoculation of microorganisms to improve crop yields and minimize the use of chemical fertilizers is a promising sustainable strategy. The objective of this study was to isolate and identify bacteria from the rhizosphere of rapeseed plants able to solubilize phosphate and promote the growth of this crop. We isolated 40 different bacterial morphotypes which were phenotypically and genotypically characterized. Fourteen isolates (37.8%) were able to solubilize phosphate, 9 of them being epiphytic and 5 endophytic. In greenhouse experiments 7 of these isolates increased shoot dry weight, reaching values similar to those of fertilized plants. Additionally, we determined that survival, growth and biofilm formation ability of these bacteria were not affected by rapeseed root exudates. All the phosphate solubilizing strains able to promote plant growth under greenhouse conditions, with the exception of Bacillus sp. LTAD-52, also increase rapeseed yield (from 21 to 44%) in field trials.
EEA Barrow
Fil: Valetti, Lucio. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; Argentina
Fil: Iriarte, Liliana Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina
Fil: Fabra, Adriana. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; Argentina
Fuente
Applied Soil Ecology Available online 1 September 2018
Materia
Semilla de Colza
Brassica Napus
Inoculación
Fosfatos
Rapeseed
Growth Promoters
Inoculation
Phosphates
Colza (planta)
Promotores de Crecimiento
Nivel de accesibilidad
acceso restringido
Condiciones de uso
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
oai:localhost:20.500.12123/3304
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oai_identifier_str oai:localhost:20.500.12123/3304
network_acronym_str INTADig
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network_name_str INTA Digital (INTA)
spelling Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteriaValetti, LucioIriarte, Liliana BeatrizFabra, AdrianaSemilla de ColzaBrassica NapusInoculaciónFosfatosRapeseedGrowth PromotersInoculationPhosphatesColza (planta)Promotores de CrecimientoInoculation of microorganisms to improve crop yields and minimize the use of chemical fertilizers is a promising sustainable strategy. The objective of this study was to isolate and identify bacteria from the rhizosphere of rapeseed plants able to solubilize phosphate and promote the growth of this crop. We isolated 40 different bacterial morphotypes which were phenotypically and genotypically characterized. Fourteen isolates (37.8%) were able to solubilize phosphate, 9 of them being epiphytic and 5 endophytic. In greenhouse experiments 7 of these isolates increased shoot dry weight, reaching values similar to those of fertilized plants. Additionally, we determined that survival, growth and biofilm formation ability of these bacteria were not affected by rapeseed root exudates. All the phosphate solubilizing strains able to promote plant growth under greenhouse conditions, with the exception of Bacillus sp. LTAD-52, also increase rapeseed yield (from 21 to 44%) in field trials.EEA BarrowFil: Valetti, Lucio. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; ArgentinaFil: Iriarte, Liliana Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; ArgentinaFil: Fabra, Adriana. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; Argentina2018-09-07T11:30:17Z2018-09-07T11:30:17Z2018-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://www.sciencedirect.com/science/article/pii/S0929139318300489http://hdl.handle.net/20.500.12123/33040929-1393https://doi.org/10.1016/j.apsoil.2018.08.017Applied Soil Ecology Available online 1 September 2018reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/restrictedAccess2025-10-23T11:16:39Zoai:localhost:20.500.12123/3304instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-10-23 11:16:39.821INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
title Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
spellingShingle Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
Valetti, Lucio
Semilla de Colza
Brassica Napus
Inoculación
Fosfatos
Rapeseed
Growth Promoters
Inoculation
Phosphates
Colza (planta)
Promotores de Crecimiento
title_short Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
title_full Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
title_fullStr Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
title_full_unstemmed Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
title_sort Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
dc.creator.none.fl_str_mv Valetti, Lucio
Iriarte, Liliana Beatriz
Fabra, Adriana
author Valetti, Lucio
author_facet Valetti, Lucio
Iriarte, Liliana Beatriz
Fabra, Adriana
author_role author
author2 Iriarte, Liliana Beatriz
Fabra, Adriana
author2_role author
author
dc.subject.none.fl_str_mv Semilla de Colza
Brassica Napus
Inoculación
Fosfatos
Rapeseed
Growth Promoters
Inoculation
Phosphates
Colza (planta)
Promotores de Crecimiento
topic Semilla de Colza
Brassica Napus
Inoculación
Fosfatos
Rapeseed
Growth Promoters
Inoculation
Phosphates
Colza (planta)
Promotores de Crecimiento
dc.description.none.fl_txt_mv Inoculation of microorganisms to improve crop yields and minimize the use of chemical fertilizers is a promising sustainable strategy. The objective of this study was to isolate and identify bacteria from the rhizosphere of rapeseed plants able to solubilize phosphate and promote the growth of this crop. We isolated 40 different bacterial morphotypes which were phenotypically and genotypically characterized. Fourteen isolates (37.8%) were able to solubilize phosphate, 9 of them being epiphytic and 5 endophytic. In greenhouse experiments 7 of these isolates increased shoot dry weight, reaching values similar to those of fertilized plants. Additionally, we determined that survival, growth and biofilm formation ability of these bacteria were not affected by rapeseed root exudates. All the phosphate solubilizing strains able to promote plant growth under greenhouse conditions, with the exception of Bacillus sp. LTAD-52, also increase rapeseed yield (from 21 to 44%) in field trials.
EEA Barrow
Fil: Valetti, Lucio. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; Argentina
Fil: Iriarte, Liliana Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina
Fil: Fabra, Adriana. Universidad Nacional de Río Cuarto. Departamento de Ciencias Naturales; Argentina
description Inoculation of microorganisms to improve crop yields and minimize the use of chemical fertilizers is a promising sustainable strategy. The objective of this study was to isolate and identify bacteria from the rhizosphere of rapeseed plants able to solubilize phosphate and promote the growth of this crop. We isolated 40 different bacterial morphotypes which were phenotypically and genotypically characterized. Fourteen isolates (37.8%) were able to solubilize phosphate, 9 of them being epiphytic and 5 endophytic. In greenhouse experiments 7 of these isolates increased shoot dry weight, reaching values similar to those of fertilized plants. Additionally, we determined that survival, growth and biofilm formation ability of these bacteria were not affected by rapeseed root exudates. All the phosphate solubilizing strains able to promote plant growth under greenhouse conditions, with the exception of Bacillus sp. LTAD-52, also increase rapeseed yield (from 21 to 44%) in field trials.
publishDate 2018
dc.date.none.fl_str_mv 2018-09-07T11:30:17Z
2018-09-07T11:30:17Z
2018-09-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.sciencedirect.com/science/article/pii/S0929139318300489
http://hdl.handle.net/20.500.12123/3304
0929-1393
https://doi.org/10.1016/j.apsoil.2018.08.017
url https://www.sciencedirect.com/science/article/pii/S0929139318300489
http://hdl.handle.net/20.500.12123/3304
https://doi.org/10.1016/j.apsoil.2018.08.017
identifier_str_mv 0929-1393
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
eu_rights_str_mv restrictedAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Applied Soil Ecology Available online 1 September 2018
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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score 12.928904

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