late blight of tomato

Late blight-Not a common problem in Indiana since the causal fungus-like organisms doesn’t usually overwinter in Indiana. However, when this disease does occur quick action and a specific set of fungicides will be required. Necrotic leaf lesions may be ringed with the white sporulation of the causal fungus. Fruit lesions appear to have a soft brown area. 

Although late blight is not common in Indiana, when it occurs, it can spread rapidly in a field such as this one. Figure 1. Although late blight is not common in Indiana, when it occurs, it can spread rapidly in a field such as this one.
Leaf lesion of late blight of tomato. Figure 2. Leaf lesion of late blight of tomato.
Late blight symptoms on tomato fruit Figure 3. Late blight symptoms on tomato fruit
The white cast on this tomato leaf with late blight indicates sporulation of the causal organism. Figure 4. The white cast on this tomato leaf with late blight indicates sporulation of the causal organism.
Lesion of late blight of tomato on leaf. Note margin between necrotic portion of leaf and healthy leaf. Figure 5. Lesion of late blight of tomato on leaf. Note margin between necrotic portion of leaf and healthy leaf.
Late blight of tomato symptoms on fruit. Figure 6. Late blight of tomato symptoms on fruit.