Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1000965
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dc.contributor.authorSILVA, L. C. dapt_BR
dc.contributor.authorSANTOS, H. P. dospt_BR
dc.contributor.authorFIALHO, F. B.pt_BR
dc.contributor.authorMARODIN, G. A. B.pt_BR
dc.contributor.authorBERGAMASCHI, H.pt_BR
dc.contributor.authorFLORES, C. A.pt_BR
dc.contributor.authorSOUZA, D. A.pt_BR
dc.date.accessioned2014-12-02T07:49:07Z-
dc.date.available2014-12-02T07:49:07Z-
dc.date.created2014-11-26pt_BR
dc.date.issued2014pt_BR
dc.identifier.citationIn: WORLD CONGRESS OF VINE AND WINE, 37., 2014, Mendonza, Argentina. Abstracts... Mendonza: International Organisation of Vine and Wine, 2014.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1000965pt_BR
dc.descriptionThe objective of this study was to characterize the photosynthetic behavior of grapevines in protected cultivation with different volumes of water available. The experiment was conducted in Vale dos Vinhedos, Brazil with covered plants of ?Italia?, sustained on a discontinued pergola trellis system. The treatments consisted different available water capacity (AWC) in the soil. The control treatment (CT) was maintained at field capacity with a minimum water potential limit (ψm) of -33.34 kPa (100% AWC). The minimum limit of the ψm was -42.12 kPa (83% AWC) at T1, -76.28 kPa (53% AWC) in T2 and -94.32 kPa (30% AWC) at T3. The liquid assimilation of CO2 (A, μmol CO2 m-2 s-1) in response to the flow density of the photosynthetically active photons (μmol m-2 s-1), were determined using a gas analyzer. When compared with the CT, the (Amax) values in T2 were 27,48% and 33% less and in T3 37,92% and 46,5% less, respectively in 2009/10 and 2010/11, while T1 didn?t differ from the control. Water restrictions in covered grapevines had an influence on the foliar photosynthetic potential, with the limit of 83% AWC the most suitable condition considering the economy of water and the maintenance of foliar function.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectVinhedopt_BR
dc.subjectGrapevinept_BR
dc.subjectPhotosynthetic behaviorpt_BR
dc.subjectComportamento fotossintéticopt_BR
dc.titlePhotosynthetic behavior of the grapevine 'Itália' in relation to water availability in protected cultivation.pt_BR
dc.typeArtigo em anais e proceedingspt_BR
dc.date.updated2014-12-02T07:49:07Zpt_BR
dc.subject.thesagroViticulturapt_BR
dc.subject.thesagroUvapt_BR
dc.subject.thesagroDisponibilidade de águapt_BR
dc.subject.thesagroSolopt_BR
dc.subject.thesagroCultivo Protegidopt_BR
dc.subject.nalthesaurusViticulturept_BR
dc.subject.nalthesaurusGrapespt_BR
dc.description.notesResumo expandido.pt_BR
dc.format.extent27 p.pt_BR
riaa.ainfo.id1000965pt_BR
riaa.ainfo.lastupdate2014-12-01pt_BR
dc.contributor.institutionHENRIQUE PESSOA DOS SANTOS, CNPUV; FLAVIO BELLO FIALHO, CNPUV; CARLOS ALBERTO FLORES, CPACT; DANIEL ANTUNES SOUZA, CNPUV.pt_BR
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