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Revista Brasileira de Fruticultura
Print version ISSN 0100-2945
DANNER, Moeses Andrigo; CITADIN, Idemir; SASSO, Simone Aparecida Zolet and TOMAZONI, Julio Caetano. Ecogeografic diagnosis of the occurrence of wild jabuticaba trees on southwest of Parana, Brazil. Rev. Bras. Frutic. [online]. 2010, vol.32, n.3, pp. 746-753. ISSN 0100-2945. http://dx.doi.org/10.1590/S0100-29452010000300013.
The jabuticaba tree is a native fruit specie of restrict occurrence in the southwest region of the state of Paraná, Brazil. This observation carried the hypothesis that jabuticaba trees have edafoclimatic preference. This study aimed to investigate the ecogeografic and edafoclimatic conditions of the sites of naturally occurrence of jabuticaba trees on southwest region of Parana, Brazil. The study was conducted at 14 sites of occurrence of jabuticaba tree. Were recorded 4,036 adult plants of the Plinia cauliflora specie, in 201.9 hectares in the Araucaria Forest Biome. The sites were located mostly between 650 and 850 m of altitude and the plants were located always in the highest part of the toposequence site with minus probability of frost. Jabuticaba trees that occur in sites with lower altitude and higher average annual temperature are bigger than others from occurrence in sites with higher altitude and lower temperature. The soils where the jabuticaba trees grow up were clayey, strongly acidic (pH almost 4.0), with high content of organic matter and iron, aluminum high-saturation, low levels of phosphorus and very low saturation of bases.
Keywords : Plinia cauliflora; Araucaria Forest Biome; genetic resources; genetic loss; in situ conservation.