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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
20/04/2023 |
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Actualizado : |
20/04/2023 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
GHIAZZA, C.; TERRA, J.A.; FERRANDO, L. |
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Afiliación : |
CECILIA GHIAZZA, Laboratorio de Ecología Microbiana Medioambiental, Departamento de Biociencias, Facultad de Química, Universidad de la República, Av. Gral. Flores 2124, 11800, Montevideo, Uruguay; JOSÉ ALFREDO TERRA FERNÁNDEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUCÍA FERRANDO, Laboratorio de Ecología Microbiana Medioambiental, Departamento de Biociencias, Facultad de Química, Universidad de la República, Av. Gral. Flores 2124, 11800, Montevideo, Uruguay. |
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Título : |
Abundance and diversity of endophytic and rhizospheric diazotrophs associated with rice roots from different rice rotation systems under field conditions. |
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Fecha de publicación : |
2023 |
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Fuente / Imprenta : |
Environmental Sustainability, 2023. [Article in Press]. doi: https://doi.org/10.1007/s42398-023-00267-8 |
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ISSN : |
2523-8922 |
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DOI : |
10.1007/s42398-023-00267-8 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 30 October 2022, Revised 28 March 2023, Accepted 31 March 2023, Published online 19 April 2023. -- Correspondence author: Lucia Ferrando, lucia.ferrando1@gmail.com; luciaf@fq.edu.uy -- Supplementary material available. -- |
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Contenido : |
Biological nitrogen fixation contributes greatly to the sustainability of agroecosystems. However, more information is needed about the impact that agricultural intensification, a frequent practice nowadays, would have on diazotrophic communities associated with plants. This work addresses the influence of intensifying rice cropping systems on the abundance, diversity, and structure of diazotrophic communities associated with rice roots (rhizospheric and endophytic bacteria) from a field experiment. Three different rice rotation systems (rice-pasture, rice-soybean, and continuous rice) at two crop growth stages (TBF: tillering before flooding and FF: flowering-flooded) were studied. The results showed that the rhizospheric soils had the greater nifH gene abundance, and the abundance and diversity of rhizospheric and endophytic diazotrophic communities significantly increased at the FF stage. Conversely, nifH abundance in bulk soils remained unaltered. Phylogenetically and metabolically diverse diazotrophic communities were found to be associated with rice roots from the different crop stages and rotations. © The Author(s) under exclusive licence to Society for Environmental Sustainability 2023 |
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Palabras claves : |
Diazotrophs; Endophytes; NifH gene; Rhizospheric bacteria; Rice rotation systems; Terminal restriction fragment length polymorphism. |
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Asunto categoría : |
F01 Cultivo |
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Marc : |
LEADER 02334naa a2200253 a 4500
001 1064049
005 2023-04-20
008 2023 bl uuuu u00u1 u #d
022 $a2523-8922
024 7 $a10.1007/s42398-023-00267-8$2DOI
100 1 $aGHIAZZA, C.
245 $aAbundance and diversity of endophytic and rhizospheric diazotrophs associated with rice roots from different rice rotation systems under field conditions.$h[electronic resource]
260 $c2023
500 $aArticle history: Received 30 October 2022, Revised 28 March 2023, Accepted 31 March 2023, Published online 19 April 2023. -- Correspondence author: Lucia Ferrando, lucia.ferrando1@gmail.com; luciaf@fq.edu.uy -- Supplementary material available. --
520 $aBiological nitrogen fixation contributes greatly to the sustainability of agroecosystems. However, more information is needed about the impact that agricultural intensification, a frequent practice nowadays, would have on diazotrophic communities associated with plants. This work addresses the influence of intensifying rice cropping systems on the abundance, diversity, and structure of diazotrophic communities associated with rice roots (rhizospheric and endophytic bacteria) from a field experiment. Three different rice rotation systems (rice-pasture, rice-soybean, and continuous rice) at two crop growth stages (TBF: tillering before flooding and FF: flowering-flooded) were studied. The results showed that the rhizospheric soils had the greater nifH gene abundance, and the abundance and diversity of rhizospheric and endophytic diazotrophic communities significantly increased at the FF stage. Conversely, nifH abundance in bulk soils remained unaltered. Phylogenetically and metabolically diverse diazotrophic communities were found to be associated with rice roots from the different crop stages and rotations. © The Author(s) under exclusive licence to Society for Environmental Sustainability 2023
653 $aDiazotrophs
653 $aEndophytes
653 $aNifH gene
653 $aRhizospheric bacteria
653 $aRice rotation systems
653 $aTerminal restriction fragment length polymorphism
700 1 $aTERRA, J.A.
700 1 $aFERRANDO, L.
773 $tEnvironmental Sustainability, 2023. [Article in Press]. doi: https://doi.org/10.1007/s42398-023-00267-8
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