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dc.creatorÁlvarez Morales, Rosarioes
dc.creatorRosales Villegas, Miguel Ángeles
dc.creatorFranco Navarro, Juan de Dioses
dc.creatorPeinado Torrubia, Procopioes
dc.creatorDíaz Rueda, Pabloes
dc.creatorColmenero Flores, José Manueles
dc.date.accessioned2021-05-05T10:38:01Z
dc.date.available2021-05-05T10:38:01Z
dc.date.issued2020
dc.identifier.citationÁlvarez Morales, R., Rosales Villegas, M.Á., Franco Navarro, J.d.D., Peinado Torrubia, P., Díaz Rueda, P. y Colmenero Flores, J.M. (2020). Chloride Improves Nitrate Utilization and NUE in Plants. Frontiers in Plant Science, 11, 442. https://doi.org/10.3389/fpls.2020.00442.
dc.identifier.issn1664-462Xes
dc.identifier.urihttps://hdl.handle.net/11441/108537
dc.description.abstractChloride (Cl–) has traditionally been considered harmful to agriculture because of its toxic effects in saline soils and its antagonistic interaction with nitrate (NO3–), which impairs NO3– nutrition. It has been largely believed that Cl– antagonizes NO3– uptake and accumulation in higher plants, reducing crop yield. However, we have recently uncovered that Cl– has new beneficial macronutrient, functions that improve plant growth, tissue water balance, plant water relations, photosynthetic performance, and water-use efficiency. The increased plant biomass indicates in turn that Cl– may also improve nitrogen use efficiency (NUE). Considering that N availability is a bottleneck for the plant growth, the excessive NO3– fertilization frequently used in agriculture becomes a major environmental concern worldwide, causing excessive leaf NO3– accumulation in crops like vegetables and, consequently, a potential risk to human health. New farming practices aimed to enhance plant NUE by reducing NO3– fertilization should promote a healthier and more sustainable agriculture. Given the strong interaction between Cl– and NO3– homeostasis in plants, we have verified if indeed Cl– affects NO3– accumulation and NUE in plants. For the first time to our knowledge, we provide a direct demonstration which shows that Cl–, contrary to impairing of NO3– nutrition, facilitates NO3– utilization and improves NUE in plants. This is largely due to Cl– improvement of the N–NO3– utilization efficiency (NUTE), having little or moderate effect on N–NO3– uptake efficiency (NUPE) when NO3– is used as the sole N source. Clear positive correlations between leaf Cl– content vs. NUE/NUTE or plant growth have been established at both intra- and interspecies levels. Optimal NO3– vs. Cl– ratios become a useful tool to increase crop yield and quality, agricultural sustainability and reducing the negative ecological impact of NO3– on the environment and on human health. Introductiones
dc.description.sponsorshipSpanish Ministry of Science Innovation and Universities-FEDER grants AGL2015-71386- R and RTI2018-094460-B-I00es
dc.description.sponsorshipSpanish National Research Council grants CSIC-201840E132, CSIC-201940E039, and CSIC-201940E077.es
dc.formatapplication/pdfes
dc.format.extent13 p.es
dc.language.isoenges
dc.publisherFrontierses
dc.relation.ispartofFrontiers in Plant Science, 11, 442.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectchloridees
dc.subjectnitratees
dc.subjectnitrogen use efficiencyes
dc.subjectcrop yieldes
dc.subjectfertilizeres
dc.subjecttobaccoes
dc.subjectnutritional qualityes
dc.titleChloride Improves Nitrate Utilization and NUE in Plantses
dc.typeinfo:eu-repo/semantics/articlees
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Biología Vegetal y Ecologíaes
dc.relation.projectIDCSIC-201840E132, CSIC-201940E039, and CSIC-201940E077.es
dc.relation.projectIDAGL2015-71386- R and RTI2018-094460-B-I00es
dc.relation.publisherversionhttps://doi.org/10.3389/fpls.2020.00442es
dc.identifier.doi10.3389/fpls.2020.00442es
dc.journaltitleFrontiers in Plant Sciencees
dc.publication.volumen11es
dc.publication.endPage442es

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