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dc.contributor.authorOjeda-Barrios, Dámaris L.es_ES
dc.contributor.authorCastillo-González, Jorgees_ES
dc.contributor.authorHernández-Rodríguez, Adrianaes_ES
dc.contributor.authorAbadía Bayona, Javieres_ES
dc.contributor.authorSánchez, Estebanes_ES
dc.contributor.authorParra-Quezada, Rafaeles_ES
dc.contributor.authorVallés-Aragón, Maria-Ceciliaes_ES
dc.contributor.authorSida-Arreola, Juan A. Pedroes_ES
dc.date.accessioned2019-01-24T08:53:10Z-
dc.date.available2019-01-24T08:53:10Z-
dc.date.issued2019-
dc.identifier.citationOjeda-Barrios D, Castillo-González J, Hernández-Rodríguez A, Abadía J, Sánchez E, Parra-Quezada R, Vallés-Aragón MC, Sida-Arreola JAP. Zinc nutritional status of pecan trees influences physiological and nutritional indicators, the metabolism of oxidative stress, and yield and fruit quality. Botanicae Horti Agrobotanici Cluj-Napoca 47 (2): 531-537 (2019)es_ES
dc.identifier.issn0255-965X-
dc.identifier.urihttp://hdl.handle.net/10261/174629-
dc.description7 Pags.- 1 Tabl.- 4 Figs.es_ES
dc.description.abstractIn the United States of America and in Mexico, zinc deficiency is a common nutritional disorder in pecan trees [Carya illinoinensis (Wangenh.) C. Koch], especially in calcareous soils. This study in Chihuahua, northern Mexico, analyses the effects of zinc nutritional status on various physiological and nutritional indicators, on the metabolism of oxidative stress, and on the yield and fruit quality of pecan. The aim was to identify possible bioindicators of soil zinc deficiency. The experimental design was completely randomized with four nutritional conditions with respect to zinc: a control and three levels of zinc deficiency - slight, moderate and severe. Zinc deficiency is characterised by small leaves with interveinal necrosis and rippled leaf margins. The lowest values of leaf area, SPAD values, total N and NO3 concentration were observed under conditions of severe zinc deficiency. With worsening zinc deficiency, results indicate an increased enzymatic activity of superoxide dismutase, catalase and glutathione peroxidase. Interestingly, under severe zinc deficiency there are decreases in trunk cross-sectional area growth, in yield and in percentage kernel. Increased activity of superoxide dismutase, catalase and peroxidase enzymes is associated with detoxification of reactive oxygen species. The activity of enzymes detoxifying reactive oxygen species lessens the negative effects of zinc deficiency stress, and may be good bioindicators of zinc deficiency and its visual symptoms on pecan trees.es_ES
dc.description.sponsorshipThe authors express their gratitude to Sistema Producto Nuez México and to Sistema Producto Nuez del Estado de Chihuahua, Mexico, for financial support granted for the completion of the present research.es_ES
dc.language.isoenges_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.subjectCarya illinoensises_ES
dc.subjectCatalasees_ES
dc.subjectglutathione peroxidasees_ES
dc.subjectsuperoxide dismutasees_ES
dc.subjectzinc deficiencyes_ES
dc.titleZinc nutritional status of pecan trees influences physiological and nutritional indicators, the metabolism of oxidative stress, and yield and fruit qualityes_ES
dc.typeartículoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://www.notulaebotanicae.ro/index.php/nbha/article/view/11389es_ES
dc.identifier.e-issn1842-4309-
dc.contributor.funderSistema Producto Nuez (México)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.contributor.orcidAbadía Bayona, Javier [0000-0001-5470-5901]es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
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