1. Technical department, Lutheran Foundation of Diakonia/Support Center for the Promotion of Agroecology, Pelotas, RS, Brazil
2. Fruticulture department, Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias, Campo Experimental Cotaxtla, Veracruz, México
3. Crop Science Department, Federal University of Vicosa, Viçosa, MG, Brazil