Stem nematode

Ditylenchus dipsaci

Foliar symptoms

• Stem is thickened and curved
• Galls grow in leaf axils
• Leaves have a ‘frizzy’ appearance
• Main vein in the leaves is often snapped

Spread

• Nematodes can survive for many years in seed, plant tissue and soil
• Also a pest in onions, peas, rye and broad beans