Made available in DSpace on 2014-08-20T14:33:03Z (GMT). No. of bitstreams: 1 dissertacao_marcel_diedrich_eicholz.pdf: 2426490 bytes, checksum: cc16d69a9929ca2eab818ea5b7a9d9da (MD5) Previous issue date: 2013-02-27 / The tung tree (Aleurites fordii) is a plant of the Euphorbiaceae family, adapted to temperate climate, needs about 350 to 400 chilling hours (below 7.2° C) for vegetative and flower buds differentiation after the winter. This species is cultivated in order to produce oil with has a very important feature which is quick drying, and is widely used in industrial paints and resins. Although this plant is present in the State of Rio Grande do Sul for over 50 years, information about the behavior of the tung tree are recent. Therefore the objective of this study was to evaluate the agronomic and phonological performance of two populations of tung tree from seeds, in order to identify genotypes with traits of interest. Assessments occurred in four consecutive crops evaluating the agronomic, morphological and phenological characteristics. The results show variability of interest to all features. Genotypes with high yield potential, were identified some early genotypes considering the start of production, and genotypes that have greater need of heat or cold, two very important features for cultivation in Rio Grande do Sul. / O tungue (Aleurites fordii) é uma planta da família Euphorbiaceae, adaptada ao clima temperado, necessitando cerca de 350 a 400 horas de frio (abaixo de 7,2°C) para diferenciação de gemas vegetativas e floríferas após inverno. Essa espécie é cultivada com objetivo de produzir óleo, o qual tem uma característica muito importante que é a secagem rápida, sendo amplamente utilizado na indústria de tintas e resinas. Mesmo a cultura estando presente no Estado há mais de 50 anos, informações referentes ao comportamento do tungue ainda são recentes. Portanto o objetivo do trabalho foi avaliar o desempenho agronômico e fenológico de duas populações de tungue provenientes de sementes, visando identificar genótipos com características de interesse. As avaliações ocorreram em quatro safras consecutivas avaliando-se as características agronômicas, morfológicas e fenológicas. Os resultados obtidos revelam variabilidade de interesse para todas as características. Foram identificados genótipos com alto potencial produtivo, sendo alguns precoces quanto ao início da produção, genótipos que apresentam maior necessidade de frio ou calor, características muito importantes para o cultivo no Rio Grande do Sul.

Submitted by Gabriela Lopes (gmachadolopesufpel@gmail.com) on 2016-09-23T14:31:16Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Tese Marcel Eicholz UFPel 2016.pdf: 1600379 bytes, checksum: b826250bb6117dd9d64725109d11b3cd (MD5) / Made available in DSpace on 2016-09-23T14:31:16Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Tese Marcel Eicholz UFPel 2016.pdf: 1600379 bytes, checksum: b826250bb6117dd9d64725109d11b3cd (MD5) Previous issue date: 2016-07-01 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / O tungue (Aleurites fordii) é uma planta da família Euphorbiaceae, adaptada ao clima temperado, necessita cerca de 350 a 400 horas de frio (abaixo de 7,2°C) para diferenciação de gemas vegetativas e floríferas. Essa espécie é cultivada com objetivo de produzir óleo o qual tem uma característica muito importante que é secagem rápida, sendo amplamente utilizado na indústria de tintas e resinas, podendo também ser utilizado na ornamentação de vias e jardins. Mesmo a cultura estando presente no Estado a mais de 50 anos, informações referentes ao comportamento do tungue ainda são recentes. Assim, o objetivo do trabalho foi avaliar a fenologia e determinar características agronômicas de interesse em clones e genótipos de tungue no Rio Grande do Sul. As avaliações ocorreram em três safras consecutivas avaliando-se as características morfológicas, fenológicas e produtivas. Os resultados obtidos revelam variabilidade de interesse para as características avaliadas. Foram identificados genótipos com alto potencial produtivo e morfologia adequada para produção comercial e genótipos com potencial paisagístico. Não houve diferenças entre os clones testados nos diferentes locais e anos para as características morfológicas e fenológicas, entretanto houve interação Clone x Local, existindo comportamento diferenciado dos clones, quanto a produtividade, nos diferentes locais. / The tung tree (Aleurites fordii) plant belongs to the Euphorbiaceae family, adapted to temperate climate, it needs about 350 to 400 chilling hours (below 7.2°C) for vegetative and flower buds differentiation. This species is cultivated in order to produce oil which has a very important feature that is quick drying and is widely used in industrial paints and resins. It could also be used as an ornamental plant. Despite being present in the State for over 50 years, information about the behavior of the tung tree are recent. Therefore objective of this study was to evaluate the phenology and determine agronomic traits of interest in clones and tung genotypes in Rio Grande do Sul State. The morphological, phenological and productive characteristics were evaluated in three consecutive harvests. The results showed variability of interest to the characteristics evaluated. There were genotypes with high yield potential and morphology suitable for commercial production and genotypes with landscaping potential. There were no differences between the clones tested in different locations and years for the morphological and phenological characteristics, though there was interaction between clone x location. Clones showed different behavior in different locations for productivity traits.The tung tree (Aleurites fordii) plant belongs to the Euphorbiaceae family, adapted to temperate climate, it needs about 350 to 400 chilling hours (below 7.2°C) for vegetative and flower buds differentiation. This species is cultivated in order to produce oil which has a very important feature that is quick drying and is widely used in industrial paints and resins. It could also be used as an ornamental plant. Despite being present in the State for over 50 years, information about the behavior of the tung tree are recent. Therefore objective of this study was to evaluate the phenology and determine agronomic traits of interest in clones and tung genotypes in Rio Grande do Sul State. The morphological, phenological and productive characteristics were evaluated in three consecutive harvests. The results showed variability of interest to the characteristics evaluated. There were genotypes with high yield potential and morphology suitable for commercial production and genotypes with landscaping potential. There were no differences between the clones tested in different locations and years for the morphological and phenological characteristics, though there was interaction between clone x location. Clones showed different behavior in different locations for productivity traits.