Department of Agricultural Research and Diagnosis, Secretariat of Agriculture, Livestock and Irrigation of Rio Grande do Sul. 570,Gonçalves Dias St., Porto Alegre, Rio Grande do Sul State 90130-060, Brazil
Dr. Júlio Kuhn Da Trindade
Department of Agricultural Research and Diagnosis, Secretariat of Agriculture, Livestock and Irrigation of Rio Grande do Sul. 570,Gonçalves Dias St., Porto Alegre, Rio Grande do Sul State 90130-060, Brazil