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dc.contributor.authorIglesias, Domingo J.
dc.contributor.authorLevy, Y.
dc.contributor.authorGómez-Cadenas, Aurelio
dc.contributor.authorTadeo, Francisco R.
dc.contributor.authorPrimo-Millo, Eduardo
dc.contributor.authorTalón, Manuel
dc.date.accessioned2017-06-01T10:12:14Z
dc.date.available2017-06-01T10:12:14Z
dc.date.issued2004
dc.identifier.citationIglesias, D. J., Levy, Y., Gomez-Cadenas, A., Tadeo, F.R., Primo-Millo, E., Talón, M. (2004). Nitrate improves growth in salt-stressed citrus seedlings through effects on photosynthetic activity and chloride accumulation. Tree physiology, 24(9), 1027-1034.
dc.identifier.issn0829-318X
dc.identifier.urihttp://hdl.handle.net/20.500.11939/5366
dc.description.abstractWe analyzed the effects of nitrate availability on growth of Navelina (Citrus sinensis (L.) Osbeck) scions grafted on three citrus rootstocks differing in salt tolerance: Carrizo citrange (Citrus sinensis (L.) Osbeck x Poncirus trifoliata (L.) Raf.), Citrus macrophylla Wester and Cleopatra mandarin (Citrus reshni Hort. ex Tanaka). Salt stress reduced total plant biomass by 27-38%, whereas potassium nitrate supplementation partially counteracted this effect by increasing dry matter and new leaf area. Salinized Carrizo citrange had the greatest response to nitrate supplementation, whereas the effects on salinized Cleopatra mandarin and C. macrophylla were less apparent. Nitrogen and chlorophyll contents and photosynthetic activity also increased in leaves of the nitrate-supplemented salinized plants. In salinized plants, nitrate supplementation reduced leaf abscission, stimulated photosynthetic activity and increased growth of new leaves. The nitrate treatment did not modify chloride concentration in leaves, but it reduced chloride concentrations in Carrizo and Macro-phylla roots. Therefore, in both rootstocks, chloride content was similar in mature leaves, higher in immature leaves and lower in roots of the nitrate-supplemented salinized plants compared with salinized plants unsupplemented with nitrate. We suggest that the nitrate-induced stimulation of growth reduced chloride concentration in roots through the reallocation of chloride to new leaves.
dc.language.isoen
dc.titleNitrate improves growth in salt-stressed citrus seedlings through effects on photosynthetic activity and chloride accumulation
dc.typearticle
dc.authorAddressInstituto Valenciano de Investigaciones Agrarias (IVIA), Carretera CV-315, Km. 10’7, 46113 Moncada (Valencia), Españaes
dc.date.issuedFreeFormSEP 2004
dc.entidadIVIACentro de Genómica
dc.entidadIVIACentro de Citricultura y Producción Vegetal
dc.identifier.doi10.1093/treephys/24.9.1027
dc.journal.abbreviatedTitleTree Physiol.
dc.journal.issueNumber9
dc.journal.titleTree physiology
dc.journal.volumeNumber24
dc.page.final1034
dc.page.initial1027
dc.rights.accessRightsopenAccess
dc.source.typeImpreso


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