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dc.contributor.author
Faustino, Laura Inés
dc.contributor.author
Moretti, Ana Paula
dc.contributor.author
Graciano, Corina
dc.date.available
2022-12-15T18:27:44Z
dc.date.issued
2015-06
dc.identifier.citation
Faustino, Laura Inés; Moretti, Ana Paula; Graciano, Corina; Fertilization with urea, ammonium and nitrate produce different effects on growth, hydraulic traits and drought tolerance in Pinus taeda seedlings; Oxford University Press; Tree Physiology; 35; 10; 6-2015; 1062-1074
dc.identifier.issn
0829-318X
dc.identifier.uri
http://hdl.handle.net/11336/181407
dc.description.abstract
Urea fertilization decreases Pinus taeda L. growth in clay soils of subtropical areas. The negative effect of urea is related to changes in some hydraulic traits, similar to those observed in plants growing under drought. The aims of this work were (i) to determine whether different sources of nitrogen applied as fertilizers produce similar changes in growth and hydraulic traits to those observed by urea fertilization and (ii) to analyze the impact of those changes in plant drought tolerance. Plants fertilized with urea, nitrate (NO3-) or ammonium (NH4+) were grown well watered or with reduced water supply. Urea and NO3- fertilization reduced plant growth and increased root hydraulic conductance scaled by root dry weight (DW). NH4+ fertilization did not reduce plant growth and increased shoot hydraulic conductance and stem hydraulic conductivity. We conclude that NO3- is the ion involved in the changes linked to the negative effect of urea fertilization on P. taeda growth. NH4+ fertilization does not change drought susceptibility and it produces changes in shoot hydraulic traits, therefore plants avoid the depressive effect of fertilization. Urea and NO3- fertilizers induce changes in DW and root hydraulic conductance and consequently plants are less affected by drought.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ALLOCATION
dc.subject
DRY WEIGHT
dc.subject
FERTILIZER
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HYDRAULIC CONDUCTANCE
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HYDRAULIC CONDUCTIVITY
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NITROGEN
dc.subject.classification
Silvicultura
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Agricultura, Silvicultura y Pesca
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CIENCIAS AGRÍCOLAS
dc.title
Fertilization with urea, ammonium and nitrate produce different effects on growth, hydraulic traits and drought tolerance in Pinus taeda seedlings
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-12-15T10:33:53Z
dc.journal.volume
35
dc.journal.number
10
dc.journal.pagination
1062-1074
dc.journal.pais
Reino Unido
dc.journal.ciudad
Oxford
dc.description.fil
Fil: Faustino, Laura Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
dc.description.fil
Fil: Moretti, Ana Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
dc.description.fil
Fil: Graciano, Corina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Fisiología Vegetal. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Fisiología Vegetal; Argentina
dc.journal.title
Tree Physiology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://treephys.oxfordjournals.org/content/current
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/treephys/tpv068
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