| List of most important maize diseases | |
|---|---|
| Diseases caused by fungi: Foliar diseases |
Banded leaf and sheath blight |
| Common rust | |
| Curvularia leaf spot | |
| Gray leaf spot | |
| Macrospora leaf stripe | |
| Maydis leaf blight | |
| Phaeosphaeria leaf spot | |
| Polysora rust | |
| Sorghum downy mildew | |
| Spot blotch | |
| Sugarcane downy mildew | |
| Turcicum leaf blight | |
| Diseases caused by fungi: Stalk rots and smuts |
Charcoal stalk rot |
| False head smut | |
| Fusarium and gibberella stalk rot | |
| Head smut | |
| Pythium stalk rot | |
| Stenocarpella stalk rot | |
| Diseases caused by fungi: Ear rots |
Aspergillus ear rot |
| Common smut | |
| Fusarium and gibberella ear rot | |
| Penicillium ear rot | |
| Stenocarpella ear rot | |
| Diseases caused by viruses and mollicutes |
Corn stunt |
| Maize dwarf mosaic virus | |
| Maize streak virus | |
| Sugarcane mosaic virus | |