bacterial wilt of Cantaloupe 

Bacterial Wilt

Bacterial wilt Figure 1. The wilted and collapsed area on the margin of this leaf is due to bacterial wilt of cantaloupe. Note also the areas of the leaf eaten by cucumber beetles.
Bacterial wilt Figure 2. Cucumber beetles have eaten this cantaloupe leaf. If insect frass enters the eaten area, bacterial wilt may result.
Bacterial wilt Figure 3. Quick field test for possible bacterial wilt. Stringy, viscous sap may indicate presence of E. tracheiphila, causal pathogen of bacterial wilt.
Bacterial wilt Figure 4. General wilt of cantaloupe caused by bacterial wilt.