Downy mildew of maize caused by Peronosclerospora sorghi has attained destructive status in parts of Karnataka. Metalaxyl (35 ws) at 1 and 2 g a.i./kg seed and metalaxyl Zm 280 FW at 2 g a i./kg seed as seed treatment gave complete control of downy mildew of maize as against 86.57% disease in check. The grain yield 4.11 kg/plot was recorded in Metalaxyl (35 ws) seed treated plot against 2.71 kg/plot in check. Thus an increase of 51.59% grain yield was recorded Similarly more fodder was recorded in treated plot (7.31 kg/plot) than in untreated plot (4.76 kg/plot) thus  realising an increase of 53.57% fodder