[1] Univ Passo Fundo, Programa Posgrad Agron, BR-99001970 Passo Fundo, RS, Brazil
[2] Univ Passo Fundo, Curso Farm, Inst Ciencias Biol, BR-99001970 Passo Fundo, RS, Brazil
[3] Univ Fed Santa Catarina, Ctr Ciencias Saude, Curso Posgrad Farm, Florianopolis, SC, Brazil