1. Brazilian Agricultural Research Corporation (EMBRAPA), Fisheries; Aquaculture and Agricultural Systems Research Center; Block 103 South, JK Avenue, Acess 01, Lot 17, Ground Floor, Southern Master 77.015-012 Palmas Tocantins Brazil
2. São Paulo State Univ. (UNESP); College of Agricultural Science; Dep. of Crop Science; P.O. Box 237 18.610-307 Botucatu São Paulo Brazil
3. São Paulo Agency of Agribusiness Technology (APTA); P.O. Box 67 16.900-000 Andradina São Paulo Brazil
4. Brazilian Agricultural Research Corporation (EMBRAPA); Rice and Beans Research Center; P.O. Box 179 75.375-000 Santo Antônio de Goiás Goiás Brazil