1. Federal Univ. of Santa Catarina, Graduate Program in Plant Genetic Resources Florianópolis 88034‐001 Brazil
2. Technical Univ. of Manabí, Engineering Agronomic Faculty Lodana EC 13132 Ecuador
3. Technologic Federal Univ. of Paraná, Graduate Program on Agroecosystems Dois Vizinhos 85660‐000 Brazil
4. Agricultural Research and Rural Extension Company of Santa Catarina São Joaquim 88600‐000 Brazil