Experiments were installed at Porto velho, Ouro Preto D'Oeste and Vilhena in august of 1984. Were tested five accessions from the BAG - Edible Aroides, all of the genus Colocasia. In Ouro Preto D'Oeste all the accessions showed excelent yield varied from 28 to 30 t/ha. Significant differences among accessions were not detected at either locality.