Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/945900
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dc.contributor.authorTEIXEIRA, A. H. de C.pt_BR
dc.contributor.authorTONIETTO, J.pt_BR
dc.contributor.authorPEREIRA, G. E.pt_BR
dc.contributor.authorTANGERINO, F. B. T.pt_BR
dc.contributor.authorANGELOTTI, F.pt_BR
dc.date.accessioned2013-01-25T23:04:00Z-
dc.date.available2013-01-25T23:04:00Z-
dc.date.created2013-01-21pt_BR
dc.date.issued2011pt_BR
dc.identifier.citationIn: INTERNATIONAL SYMPOSIUM ON TROPICAL WINE, 3., 2011, Chiang Mai, Thailand. Proceedings... Chiang Mai: Rajamangala University of Technology Lanna Doi Saket, 2011.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/945900pt_BR
dc.descriptionModeIling of crop water variables on a large scale is important when aiming for sustainable development while ensuring water availability in situations involving alI depending sectors on water resources. Long term weather data, representing a baseline condition, were used together with simple regression models involving crop coefficient (Kc), reference evapotranspiration (ETO) and accumulated degree days (DDac) to quantify the vineyard water requirements (VWR) for wine grapes in the Brazilian Northeast, considering a four months mean growing season (GS). VWR joined with precipitation, aIlowed the development of a vineyard water indicator (VWI), which was applied together with the monthly average values of air temperature during a growing season to characterize areas with different agro-climatic aptitude for grape production for winemaking process, varying the pruning dates. Considering the whole region, the variation of the averaged VWR pixel values were from 300 mm for pruning dates in March to 410 mm, when these dates occur in September. ln general, the highest VWR values are for pruning dates from July to October, while the lower rates were when the pruning is done between January and April. It was observed that the Brazilian Northeast region could have some thermallimitation for the wine quality and stability. These limitations wiIl depend on the pruning periods, being higher sugar in grapes, while in wines, lower acidity and higher potential alcohol and pH, under warmer conditions. Highlights were for Bahia, Pemambuco, Paraíba, Alagoas, Sergipe States as weIl as the west side of Maranhão for pruning dates in May, considered as the best areas for commercial wine production for growing seasons starting at this time of the year. The analyses spatiaIly presented, can subsidize water aIlocation criterions, when aiming for improvements on vine water availability avoiding environmental damage by rapid climate and land use change.eng
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectModelagempt_BR
dc.subjectVinho tropicalpt_BR
dc.titleClimatic aptitude for irrigated wine grapes in the Brazilian Northeast under different prunning dates and time scenarios. Part A: baseline conditions.pt_BR
dc.typeResumo em anais e proceedingspt_BR
dc.date.updated2013-01-25T23:04:00Zpt_BR
dc.subject.thesagroÁguapt_BR
dc.subject.thesagroClimapt_BR
dc.subject.thesagroDeficiência hídricapt_BR
dc.subject.thesagroDisponibilidade de águapt_BR
dc.subject.thesagroTemperaturapt_BR
dc.subject.thesagroUvapt_BR
dc.subject.thesagroVinhopt_BR
dc.subject.thesagroViticulturapt_BR
dc.subject.nalthesaurusGrapespt_BR
dc.subject.nalthesaurusWater requirementeng
dc.format.extent2p. 4.pt_BR
riaa.ainfo.id945900pt_BR
riaa.ainfo.lastupdate2013-01-25pt_BR
dc.contributor.institutionANTONIO HERIBERTO DE C TEIXEIRA, CPATSApt_BR
dc.contributor.institutionJORGE TONIETTO, CNPUVeng
dc.contributor.institutionGIULIANO ELIAS PEREIRA, CNPUVeng
dc.contributor.institutionF. B. T. TANGERINO, USPeng
dc.contributor.institutionFRANCISLENE ANGELOTTI, CPATSA.eng
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