Reis, E.M. Santos, H.P. Martinelli, J.A. Ocorrencia da mancha branca da folha (Pseudocercosporella capselae)em colza (Brassica napus)no Rio Grande do Sul The occurrence of a white leaf spot caused by Pseudocercosporella capselae on rapeseed (Brassica napus)in Rio Grande do Sul Subjects--Topical Terms: COLZAMANCHA FOLIARRIO GRANDE DO SUL