Methodologies have been developed to add quality to the seeds as well as to identify high quality seed (Artola et al., 2003). The beneficial responses observed in the primed seed are: germination under a broad permissive temperature range, uniformity and hasten speed of germination, as well as improvement of seedling vigor (Welbaum et al., 1998). Commercially available bioregulators are also used to stimulate seed germination; nevertheless, there are not defined criteria for their appropriate utilization in papaya germination. Therefore, the present study was conducted to develop methods, based on the priming technology to restore the germination capacity of papaya seed and to characterize under such conditions the early seedling development. The use of biorregulators was taken into consideration as well.