Saving seeds: fruit maturity August to October, the mature fruit is orange-red. Selected fruit large, full, flavorful, high-yield pest-free mother plant for seed retention, fruit ripening period to select the grain large, full, orange-red fruit off. Focused on coarse cement or bamboo dung skips scrubbing, while slowly rinsing, until the pulp stuck in the seed shells washed until the seeds and then rinsed clean with water, drying on bamboo baskets, indoor drying standby. Seeds are not resistant to storage, such as indoor dry storage, half a year seedling rate fell to 11% or less, storage 11 months is the complete loss of germination, and wet sand storage can be saved for more than 9 months.