Horticulture
For Northeast Missouri
Horticulture |
|
|
|
|
|
Stewart's Wilt on Sweet Corn
| Stewart's Wilt (also called Bacterial Leaf Blight) is a disease affecting
corn. This disease is characterized by very long, necrotic, foliar lesions with wavy
margins. Some lesions extend nearly the length of the leaf on susceptible hybrids. The causal bacterium, Erwinia stewartii, overwinters in corn flea beetles. These beetles spread the disease as they feed on corn throughout the summer. Small, thin feeding scars are evidence of flea beetle injury. Sweet corn, pop corn, and inbred may show seedling wilt when attacked early, but hybrid corn is more resistant to this phase of the disease. All types of corn have the leaf blight phase. |
|
|
|
|
|
10/06/03
|
University of Missouri Extension |
 |
||
