Alternaria leaf blight of cantaloupe

Alternaria leaf blight on cantaloupe leaf. Note large, mostly circular lesions with concentric rings.

Image of several cantaloupe leaves with Alternaria leaf blight lesions.

Close-up of a leaf with Alternaria leaf blight. Note concentric ring structure of lesions.

Image of a leaf with lesions of Alternaria leaf blight just beginning to coalesce. Note chlorotic halos.

A close-up of an individual lesion of Alternaria leaf blight.

Cantaloupe fruit exposed to possible sunburn due to Alternaria leaf blight.