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The conservation of Araucaria seeds is widely compromised in function of their recalcitrant feature, which hampers the planning of recovery actions of the degraded populations. Therefore, the objective of this study was to monitor the physiological changes in Araucaria seeds under controlled storage conditions, in order to get insights as to the viability and vigor conservation. The physiological quality of freshly harvested seeds was evaluated and every 60 days throughout the 180 days-storage period in laboratory ambient without thermal control, refrigerator (5 ° C), and freezer (-18 ° C) until the final period of 180 days. After each sampling period, the seed viability (germination and tetrazolium tests) and vigor (artificial aging, germination speed index – IVG and electrical conductivity) were assessed. A reduction in the normal 1 Engenheira Florestal, Msc., Doutoranda em Recursos Genéticos Vegetais, Departamento de Fitotecnia, Centro de Ciências Agrárias, Universidade Federal de Santa Catarina, Rod. Admar Gonzaga, 1346, Itacorubi, CEP 88034001, Florianópolis (SC), Brasil. crisggargioni@hotmail.com 2 Engenheira Agrônoma, Dra., Professora do Departamento de Agronomia, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina, Av. Luiz de Camões, 2090, Conta Dinheiro, CEP 88520-000, Lages (SC), Brasil. Orientadora no RGV-UFSC. cileide.coelho@pq.cnpq.br 3 Engenheiro Agrônomo, Dr., Professor do Departamento de Fitotecnia, Centro de Ciências Agrárias, Universidade Federal de Santa Catarina, Rod. Admar Gonzaga, 1346, Itacorubi, CEP 88034-001, Florianópolis (SC), Brasil. m2@cca.ufsc.br 4 Engenheira Florestal, Dra., Professora do Departamento de Engenharia Florestal, Centro de Ciências Agroveterinárias, Universidade do Estado de Santa Catarina, Av. Luiz de Camões, 2090, Conta Dinheiro, CEP 88520-000, Lages (SC), Brasil. luciana@cav.udesc.br Recebido para publicação em 19/10/2011 e aceito em 8/05/2013

Conservation of the viability and vigor of Araucaria angustifolia (Bertol.) Kuntze seeds during the storage