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Campo DCValorIdioma
dc.creatorCarvalho, Marília-
dc.date.accessioned2014-08-04T12:11:16Z-
dc.date.available2014-
dc.date.available2014-08-04T12:11:16Z-
dc.date.copyright2014-
dc.date.issued2014-08-04-
dc.date.submitted2014-02-20-
dc.identifier.citationCARVALHO, M. Crescimento e comportamento fisiológico de crisântemo em função de graus-dia de desenvolvimento. 2014. 129 p. Tese (Doutorado em Agronomia/Fisiologia Vegetal) - Universidade Federal de Lavras, Lavras, 2014.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/2062-
dc.descriptionTese apresentada à Universidade Federal de Lavras como parte das exigências do Programa de Pós Graduação em Agronomia, área de concentração em Fisiologia Vegetal, para a obtenção do título de Doutor.pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.languagept_BRpt_BR
dc.publisherUNIVERSIDADE FEDERAL DE LAVRASpt_BR
dc.rightsacesso abertopt_BR
dc.subjectDendranthema grandiflorumpt_BR
dc.subjectThermal accumulationpt_BR
dc.subjectOrnamental plantpt_BR
dc.titleCrescimento e comportamento fisiológico de crisântemo em função de graus-dia de desenvolvimentopt_BR
dc.typetesept_BR
dc.contributor.advisor-coBarbosa, João Paulo Rodrigues Alves Delfino-
dc.publisher.programDBI - Programa de Pós-graduaçãopt_BR
dc.publisher.initialsUFLApt_BR
dc.publisher.countryBRASILpt_BR
dc.description.concentrationFisiologia Vegetalpt_BR
dc.contributor.advisor1Paiva, Patrícia Duarte de Oliveira-
dc.contributor.referee1Landgraf, Paulo Roberto Corrêa-
dc.contributor.referee1Morais, Augusto Ramalho de-
dc.contributor.referee1Reis, Simone Novaes-
dc.description.resumoGrowth and physiological behavior of chrysanthemum in relation of degree-day development-
dc.description.resumoAlthough chrysanthemum blooming (Dendranthema grandiflorum) is regulated by the photoperiod, temperature is considered a important on factor in its growth and development, however, in a few studies have been used the method of degree-days of development (GDD) in the floriculture. For this, aimed evaluated the growth and physiologic behaviorof chrysanthemum cv. White Diamondaccording to GDD. The experimental design was a randomized complete block design with five replications and nine colleted, treatments being considered the collection times. Each useful parcel was composed byone pot with 3 plants, totalizing 15 plants per evaluation. Mathematical models of growth have been validated after adjustment of the data and the model calibration and may be used for making decisions about the growth of cv. White Diamond. The GDD did not influenced the time to flowering, howeverthe lowest rate of accumulation of GDD promoted intense vegetative growth and delayed flower opening. On the other hand, the highest rates of accumulation of GDD observed during cultivation in 2007 propitiated lower vegetative growth, rapid flower opening and better development of the inflorescence in relation to the cultivation of 2012. Regardless of the phenological stage and the accumulation of GDD, chrysanthemum kept the carbon assimilation. GDD accumulations reduced the Relative Growth Rate, Leaf Area Ratio and Specific Leaf Area and increased Net Assimilation Rate. It is required 850.1 GDG for the vegetative phase being completed and 867.6 GDD for the reproductive phase be initiated. The accumulation of sucrose and reducing sugar remained turgid and the fully expanded inflorescences.pt_BR
dc.subject.cnpqCNPQ_NÃO_INFORMADOpt_BR
Aparece nas coleções:Agronomia/Fisiologia Vegetal - Doutorado (Teses)

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