Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39
Legumes depend on biological nitrogen fixation through symbiosis with rhizobia to meet their nitrogen requirements. Certain plant growth promoting rizobacteria such as Azospirillum may cooperate in the establishment and maintenance of effective legume-rhizobia symbiosis. The aim of this work was to...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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2018
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| Online Access: | https://link.springer.com/article/10.1007/s13199-018-0568-x http://hdl.handle.net/20.500.12123/3547 https://doi.org/10.1007/s13199-018-0568-x |
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| author | Puente, Mariana Laura Zawoznik, Myriam Lopez De Sabando, Marcelo Perez, Gonzalo Gualpa, Jose Luis Carletti, Susana M. Cassán, Fabricio Dario |
| author_browse | Carletti, Susana M. Cassán, Fabricio Dario Gualpa, Jose Luis Lopez De Sabando, Marcelo Perez, Gonzalo Puente, Mariana Laura Zawoznik, Myriam |
| author_facet | Puente, Mariana Laura Zawoznik, Myriam Lopez De Sabando, Marcelo Perez, Gonzalo Gualpa, Jose Luis Carletti, Susana M. Cassán, Fabricio Dario |
| author_sort | Puente, Mariana Laura |
| collection | INTA Digital |
| description | Legumes depend on biological nitrogen fixation through symbiosis with rhizobia to meet their nitrogen requirements. Certain plant growth promoting rizobacteria such as Azospirillum may cooperate in the establishment and maintenance of effective legume-rhizobia symbiosis. The aim of this work was to assess if foliar inoculation of soybean with Azospirillum brasilense Az39 has advantages over inoculation with this bacterium at sowing in combination with Bradyrhizobium japonicum E109 inoculation. To test this, glasshouse and field experiments were carried out. Higher shoot biomass was observed at V6 and R2 stages under foliar inoculation of A. brasilense Az39 as compared to coinoculation at sowing. Additionally, increased root dry biomass and higher nodule number and nodule fresh weight per plant were found at V6. Leghemoglobin levels in nodules were significantly greater in foliar-inoculated plants at both stages (V6 and R2) as compared with seed-inoculated plants. In line with these positive effects of foliar inoculation with A. brasilense Az39 on soybean growth and nodulation, grains harvested from foliar-inoculated plants had higher nitrogen and protein contents than those harvested from plants coinoculated at sowing. This was corroborated for two soybean varieties cultivated at two different locations. Our findings may open new insights into soybean agricultural technology. |
| format | info:ar-repo/semantics/artículo |
| id | INTA3547 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA35472021-12-27T17:01:36Z Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 Puente, Mariana Laura Zawoznik, Myriam Lopez De Sabando, Marcelo Perez, Gonzalo Gualpa, Jose Luis Carletti, Susana M. Cassán, Fabricio Dario Soja Azospirillum Brasilense Calidad Inoculación Bacteria Fijadora del Nitrógeno Fijación Biológica del Nitrógeno Soybeans Quality Inoculation Nitrogen Fixing Bacteria Biological Nitrogen Fixation Calidad Nutricional Legumes depend on biological nitrogen fixation through symbiosis with rhizobia to meet their nitrogen requirements. Certain plant growth promoting rizobacteria such as Azospirillum may cooperate in the establishment and maintenance of effective legume-rhizobia symbiosis. The aim of this work was to assess if foliar inoculation of soybean with Azospirillum brasilense Az39 has advantages over inoculation with this bacterium at sowing in combination with Bradyrhizobium japonicum E109 inoculation. To test this, glasshouse and field experiments were carried out. Higher shoot biomass was observed at V6 and R2 stages under foliar inoculation of A. brasilense Az39 as compared to coinoculation at sowing. Additionally, increased root dry biomass and higher nodule number and nodule fresh weight per plant were found at V6. Leghemoglobin levels in nodules were significantly greater in foliar-inoculated plants at both stages (V6 and R2) as compared with seed-inoculated plants. In line with these positive effects of foliar inoculation with A. brasilense Az39 on soybean growth and nodulation, grains harvested from foliar-inoculated plants had higher nitrogen and protein contents than those harvested from plants coinoculated at sowing. This was corroborated for two soybean varieties cultivated at two different locations. Our findings may open new insights into soybean agricultural technology. Instituto de Microbiología y Zoología Agrícola Fil: Puente, Mariana Laura. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Microbiología y Zoología Agrícola; Argentina Fil: Zawoznik, Myriam. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento Química Biológica; Argentina Fil: Lopez De Sabando, Marcelo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Agencia De Extensión Rural Tandil; Argentina Fil: Perez, Gonzalo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Pergamino. Agencia De Extensión Rural Bolivar; Argentina Fil: Gualpa, José Luis. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Físico-Químicas y Naturales. Departamento de Ciencias Naturales. Laboratorio de Fisiología Vegetal y de la Interacción planta-microorganismo; Argentina Fil: Carletti, Susana M. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina Fil: Cassán, Fabricio D. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas, Físico-Químicas y Naturales. Departamento de Ciencias Naturales. Laboratorio de Fisiología Vegetal y de la Interacción planta-microorganismo; Argentina 2018-10-03T12:47:24Z 2018-10-03T12:47:24Z 2018-07 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://link.springer.com/article/10.1007/s13199-018-0568-x http://hdl.handle.net/20.500.12123/3547 0334-5114 1878-7665 https://doi.org/10.1007/s13199-018-0568-x eng info:eu-repo/semantics/restrictedAccess application/pdf Symbiosis : 1–7 (Online: 04 July 2018) |
| spellingShingle | Soja Azospirillum Brasilense Calidad Inoculación Bacteria Fijadora del Nitrógeno Fijación Biológica del Nitrógeno Soybeans Quality Inoculation Nitrogen Fixing Bacteria Biological Nitrogen Fixation Calidad Nutricional Puente, Mariana Laura Zawoznik, Myriam Lopez De Sabando, Marcelo Perez, Gonzalo Gualpa, Jose Luis Carletti, Susana M. Cassán, Fabricio Dario Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title | Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title_full | Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title_fullStr | Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title_full_unstemmed | Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title_short | Improvement of soybean grain nutritional quality under foliar inoculation with Azospirillum brasilense strain Az39 |
| title_sort | improvement of soybean grain nutritional quality under foliar inoculation with azospirillum brasilense strain az39 |
| topic | Soja Azospirillum Brasilense Calidad Inoculación Bacteria Fijadora del Nitrógeno Fijación Biológica del Nitrógeno Soybeans Quality Inoculation Nitrogen Fixing Bacteria Biological Nitrogen Fixation Calidad Nutricional |
| url | https://link.springer.com/article/10.1007/s13199-018-0568-x http://hdl.handle.net/20.500.12123/3547 https://doi.org/10.1007/s13199-018-0568-x |
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