Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria
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...
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| Format: | Artículo |
| Language: | Inglés |
| Published: |
2018
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| Online Access: | 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 |
| _version_ | 1855483217051648000 |
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| author | Valetti, Lucio Iriarte, Liliana Beatriz Fabra, Adriana |
| author_browse | Fabra, Adriana Iriarte, Liliana Beatriz Valetti, Lucio |
| author_facet | Valetti, Lucio Iriarte, Liliana Beatriz Fabra, Adriana |
| author_sort | Valetti, Lucio |
| collection | INTA Digital |
| 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. |
| format | Artículo |
| id | INTA3304 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA33042020-01-10T12:48:15Z Growth promotion of rapeseed (Brassica napus) associated with the inoculation of phosphate solubilizing bacteria Valetti, Lucio Iriarte, Liliana Beatriz Fabra, Adriana Semilla de Colza Brassica Napus Inoculación Fosfatos Rapeseed Growth Promoters Inoculation Phosphates Colza (planta) Promotores de Crecimiento 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 2018-09-07T11:30:17Z 2018-09-07T11:30:17Z 2018-09-01 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 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 eng info:eu-repo/semantics/restrictedAccess application/pdf Applied Soil Ecology Available online 1 September 2018 |
| spellingShingle | Semilla de Colza Brassica Napus Inoculación Fosfatos Rapeseed Growth Promoters Inoculation Phosphates Colza (planta) Promotores de Crecimiento Valetti, Lucio Iriarte, Liliana Beatriz Fabra, Adriana 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 |
| 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_short | 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 |
| topic | Semilla de Colza Brassica Napus Inoculación Fosfatos Rapeseed Growth Promoters Inoculation Phosphates Colza (planta) Promotores de Crecimiento |
| 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 |
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