| 1 | Corn Smut | Galls on ears, leaves, and tas... | By destroying affected stands,... | | | 
                                    
                        | 2 | Leaf Spot | Death of parts of leaves... | Use resistant varieties, by ap... | | | 
                                    
                        | 3 | Blight | Presence of longitudinal red o... | Avoid the use of heavy nitroge... | | | 
                                    
                        | 4 | Rot | The presence of liquid oozes o... | By destroying all affected pla... | | | 
                                    
                        | 5 | Downy mildew | Mottling in older leaves, chlo... | Crop rotation with non-host cr... | | |