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dc.creatorAldasoro Galán, Josebaes_ES
dc.creatorLarrainzar Rodríguez, Estíbalizes_ES
dc.creatorArrese-Igor Sánchez, Césares_ES
dc.description.abstractStomatal closure is one of the first plant responses under a water deficit situation. This leads to a decline in transpiration but also in the plant photosynthetic activity. Legume plants grown under symbiosis with rhizobium bacteria present an inhibition of nitrogen fixation that has been shown to occur even before this of photosynthesis. One of the hypotheses to explain this rapid inhibition is the accumulation of nitrogen (N) compounds in nodules due to reduced transpiration, which would provoke the N-feedback inhibition of nitrogenase activity. The current work analyzes the effects of changes in transpiration rates in the regulation of nitrogen fixation through the application of the anti-transpirant Vapor Gard (VG) to pea (Pisum sativum L.) plants subjected to a progressive water deficit. VG produced a rapid inhibition of nitrogen fixation upon application. This inhibition, however, did not coincide with the accumulation of either amino acids or soluble carbohydrates observed at later drought stages in nodules. Results show that the application of VG has a beneficial, albeit temporary, effect in both maintaining the plant water status and apparent nitrogenase activity of nodulated pea plants under water-deficit conditions.en
dc.description.sponsorshipThis work was supported by the Spanish Ministry of Economy and Competitiveness (AGL2014-56561-P project and the corresponding FEDER funding to C.A.-I., and a “Juan de la Cierva” JCI-2012-13175 postdoctoral contract to E.L.). J.A. has been supported by a PhD fellowship from the Public University of Navarra.en
dc.format.extent7 p.
dc.relation.ispartofAgricultural Water Management, Volume 213, 1 March 2019, Pages 193-199en
dc.rights© 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.en
dc.subjectVapor Garden
dc.subjectWater deficiten
dc.titleApplication of anti-transpirants temporarily alleviates the inhibition of symbiotic nitrogen fixation in drought-stressed pea plantsen
dc.typeArtículo / Artikuluaes
dc.contributor.departmentUniversidad Pública de Navarra. Departamento de Cienciases_ES
dc.contributor.departmentNafarroako Unibertsitate Publikoa. Zientziak Sailaeu
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.contributor.funderUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoaes

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© 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.
Except where otherwise noted, this item's license is described as © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.