The experiment was carried out in the Department of Vegetable Production of the Faculdade de Ciências Agrárias e Veterinárias - Campus of Jaboticabal- São Paulo State - Brazil, using seeds that were extracted from ripe fruit, that were washed, drying in environmental condition during 24 hours and conditioned in paper bags, disposed according to the treatments: 3 storage conditions of the seeds: environmental; dry chamber (16-18ºC e 60% UR) and cold chamber (10ºC e 60-70% UR), and 4 storage periods: 7, 14, 21 and 28 days after the extraction of the seeds, besides of the seedling immediately of the extraction of the seeds. After these periods the seeds were conditioned in gerbox boxes, having as substrate filter of paper and maintained in a germination chamber with a constant temperature of 25ºC. Based on the results, it is possible to conclude that the seeds of red pitaya can be storage in cold chamber for until 28 days without damage in percentage of germination.
Hylocereus undatus; germination; storage
