sweet corn diseases
Common rust
Figure 1. Common rust of sweet corn.
Northern corn leaf blight
Figure 1. Northern corn leaf blight of sweet corn. 
Figure 2. Northern corn leaf blight of sweet corn. Smut
Figure 1. Smut of sweet corn. 
Figure 2. Smut of sweet corn. 
Figure 3. Corn smut. Stewart's wilt
Figure 1. Stewart’s wilt of sweet corn. Note lesions streaked through leaves. 
Figure 2. Stewart’s wilt of sweet corn. Diseased plant is stunted on right. 
3. Stewart’s wilt of sweet corn. 
4. Stewart's wilt of sweet corn. 
5. Stewart's wilt of sweet corn.