Halo blight

Halo blight (Pseudomonas amygdali pv. phaseolicola) is a bacterial blight disease in legumes. It causes small brown spots on the leaves with a light coloured edge.

Identifying Features
Small brown spots surrounded by a yello 'halo' appear on the leaves. Pods appear wet when they develop. Plant growth is stunted and suffer reduced crop yield. Attacks are worst during prolonged wet periods.

Treatment
Remove and destroy affected plants.

Prevention
Rotate crops each season. Never soak seeds before sowing.