Seasonality of fruit production of Euterpe oleracea and E. precatoria açaí palm trees cultivated in the metropolitan region of Manaus (AM)

The off-season period for açaí palm production cause social and economic problems that affect producers consumers. Two species are used pulp production, Euterpe oleracea E. precatoria. These have some distinct characteristics, including the harvest period. cultivation of is expanding in metropolitan region Manaus, state Amazonas, AM, there no studies on these under cultivated conditions this region. objective study was to evaluate reproductive phenophases precatoria grown Amazonas check were evaluated during 24 consecutive months 20 plants each species. emitted a greater number inflorescences from January July (76%), rainy season, presented mature bunches (56%) October December, at end dry season. highest (70%) November, proportion (49%) observed between May July, different periods, so both can contribute reducing fruit AM.