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vol.38 número1DENSIDADE DE PLANTIO E PRODUÇÃO DO MARACUJAZEIRO-AZEDO NO SUL DO BRASILEFEITO DE FUNGOS MICORRÍZICOS ARBUSCULARES E DA ADUBAÇÃO NO CRESCIMENTO DE MUDAS DE Eugenia uniflora L., PRODUZIDAS EM DIFERENTES SUBSTRATOS índice de autoresíndice de assuntospesquisa de artigos
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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

ZERBIELLI, LUCAS et al. PHYSICOCHEMICAL DIVERSITY OF JABUTICABA FRUITS ON A SITE OF NATURAL OCCURRENCE. Rev. Bras. Frutic. [online]. 2016, vol.38, n.1, pp.107-116. ISSN 0100-2945.  http://dx.doi.org/10.1590/0100-2945-267/14.

Knowing genetic variability of species, expressed by morphological and agronomic characteristics, is essential for guiding its conservation and management to support breeding programs. The aim of this study was to evaluate the physicochemical diversity of jabuticaba fruits (Plinia cauliflora) on a site of natural occurrence in Passo Fundo, RS. In a population of approximately 300 jabuticaba trees it was collected fruits from 40 genotypes to evaluate twelve characteristics. Data were submitted to descriptive analysis, correlation and multivariate analysis. It was used UPGMA clustering method, using average Euclidean distance. The G18 and G35 genotypes distinguished by the characteristics related to fruit size and flavor and because of their high genetic divergence. The TSS/TA ratio was the characteristics which most contributed to genetic divergence (41.56%), followed by pulp percentage (25.76%) and peel (23.24%). Six groups of similar genotypes were formed. It was found that native jabuticaba trees from the same site of occurrence have fruits with variables physicochemical characteristics, revealing the existence of genotypes with interesting characteristics to breeding programs of this specie.

Palavras-chave : genetic divergence; native fruits; jabuticaba tree; Plinia cauliflora.

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