alternaria leaf blight of cantaloupe

Alternaria Leaf Blight disease Figure 1. Alternaria leaf blight on cantaloupe leaf. Note large, mostly circular lesions with concentric rings.
Leaf Blight disease Figure 2. Image of several cantaloupe leaves with Alternaria leaf blight lesions.
Alternaria Leaf Blight disease Figure 3. Close-up of a leaf with Alternaria leaf blight. Note concentric ring structure of lesions.
Alternaria Leaf Blight disease Figure 4. Image of a leaf with lesions of Alternaria leaf blight just beginning to coalesce. Note chlorotic halos.
Alternaria Leaf Blight disease Figure 5. A close-up of an individual lesion of Alternaria leaf blight.
Alternaria Leaf Blight disease Figure 6. Cantaloupe fruit exposed to possible sunburn due to Alternaria leaf blight.