With the purpose to study favorable conditions of temperature for seeds germination of sweet passion-fruit (Passiflora alata Dryander), it was used, as treatment, five plants for seeds and two germination temperatures, with no light: 25ºC constant and alternate 20-30ºC. Mucilage of seeds, proceeding from mature fruits, completely yellow, were extracted using a mixer at low rotation. The characteristic of the evaluated seeds were: weigh, dried matter contend, water content, germination percentage (of normal seedlings) , of abnormal seedlings, of dormant and died seeds. It was concluded that alternated temperature at 20-30ºC actuated significantly to obtain higher percentage of germination and low percentage of dormant seeds. These last ones, for seeds of all plants, was elevated under temperature of 25ºC, showing great influence of temperature fact, on dormancy surpassing.
Passiflora alata; passion fruit; seed; germination; temperature; dormancy
