Bacterial brown spotCaused by: Pseudomonas syringae
Problem Category: Bacterial Disease
Symptoms: Small, dark brown necrotic spots on leaves which may be surrounded by a zone of yellow tissue; water soaked spots on pods which turn brown and necrotic; pods may twist and distort in area of infection.
Comments: Bacterium overwinters in crop residue; disease more severe when foliage is wet for extended periods.
Management: Plant only certified seed; rotate crops regularly; remove crop debris from field after harvest.
Control: Spray 10% cow urine once in 10 days