Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.5/6127
Título: Caracterização agronómica e fitoquímica de seis espécies silvestres de Rubus L.
Autor: Trindade, Pedro Miguel Fernandes Vieira
Orientador: Oliveira, Cristina Maria Moniz Simões
Oliveira, Pedro Nogueira Brás
Palavras-chave: Rubus
wild blackberries
agronomic characterization
phytochemical characterization
Data de Defesa: 2013
Editora: ISA
Citação: Trindade, P.M.F.V. - Caracterização agronómica e fitoquímica de seis espécies silvestres de Rubus L.. Lisboa: ISA, 2013, 69 p.
Resumo: The interest in exploring the European wild blackberries, resulting of the high potential for health, has led the researchers to consider possible introductions of this germplasm in breeding programmes. As Portugal has a large number of these species, trials have been conducted in order to characterize agronomic, quality and phytochemical traits of some of this material. On the first trial, the agronomic characterization, only two R. henriquesii and R. sampaioanus showed acceptable vegetative and productive characteristics. The cold trial produced significantly different percentages of bud break in tertiary canes and caused an effect of earliness, showing higher production. In the third trial, the technique of pruning the clusters in R. radula and R. henriquesii, concluded not to be useful increasing the fruit size of these species. In the last trial, it was demonstrated the phenotypic variability of the species R. ulmifolius. Were still performed three characterizations, the species with the highest content of total soluble solid (TSS) was the R. radula “pruning” and R. henriquesii. Total acidity and pH showed no significant differences. Concerning phytochemical characterization, the R. henriquesii and R. radula showed the highest content in phenols, and R. vigoi in antioxidant capacity. Chromosome counting has shown that the variety “Sommer” is diploid.
Descrição: Mestrado em Engenharia Agronómica - Horticultura e Viticultura - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/6127
Aparece nas colecções:BISA - Dissertações de Mestrado / Master Thesis

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