Karen Delahaut, Walt Stevenson
Revised:  10/24/2011
Item number:  A3801

Angular leaf spot is a bacterial disease that can be economically damaging to cucumbers, honeydew melon, and zucchini squash grown in Wisconsin. The bacterium Pseudomonas syringae pv. lachrymans infects leaves, stems, and fruit. Read this fact sheet to find out how to spot, prevent, and control this disorder in your home garden.