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As sementes foram acondicionadas em sacos de papel, de algodão e plástico de natureza permeável, em ambiente frio e seco (15ºC e 40% de UR) por quatro meses. Inicialmente, testou-se a influência da presença e ausência contínua de luz branca e fotoperíodo de 12 h, a fim de determinar o fotoblastismo das sementes, na temperatura de 25ºC. Verificou-se a influência das temperaturas constantes de 10, 15, 20, 25, 30, 35 e 40ºC na germinação e determinou-se as temperaturas cardeais (mínima, ótima e máxima). Testou-se a viabilidade das sementes aos 60, 90 e 120 dias de armazenamento, empregando-se teste de germinação, e a velocidade de embebição aos 30, 60 e 90 dias, utilizando-se amostras provenientes de cada tipo de embalagem. As embalagens utilizadas no armazenamento não afetaram significativamente as variáveis estudadas. A espécie em estudo pode ser classificada como fotoblástica neutra à 25ºC, com percentagem média de germinação alta, variando de 88 a 98%. A temperatura ótima de germinação foi de 35ºC, a mínima de 20ºC e a máxima de 40ºC, na ausência de luz. As embalagens utilizadas no armazenamento mantiveram a viabilidade das sementes por até 120 dias, com altos percentuais de germinação, variando de 88 a 97%. As sementes apresentaram velocidade de embebição rápida atingindo 100% a partir das quatro horas de embebição. The seeds were conditioned in paper, cotton and permeable plastic bags, in cold and dry environment (15ºC and 40% RU) for four months. Initially, was tested the influence of the presence and absence continuos of white light and photoperiod of 12 h at 25ºC. The effect of constant temperatures (10, 15, 20, 25, 30, 35, and 40ºC) on germination was evaluated and cardinal temperatures were determined (minimum, optimum and maximum). Viability of the seeds was evaluated through germination tests at 60, 90, and 120 days. Imbibition velocity tests were carried out using samples proceeding from each storage package, at 30, 60, and 90 days. The storage packages utilized had no significant effect on the studied variables. The species studied was classified as neutral photoblastic at 25ºC, with a high average germination percentage, varying from 88 to 98%. Optimal germination temperature was of 35ºC, with a minimum at 20ºC and a maximum at 40ºC, in the absence of light. The utilized storage packages extended the viability of the seeds up to 120 days, with high germination percentages, varying from 88 to 97%. The seeds showed accelerated velocity of imbibition, reaching 100% from four hours of imbibition exposure on

Armazenamento e germinação de sementes de Tabebuia aurea (manso) Benth. & Hook. f. ex. S. Moore