Pest identification
What's eating my rutabaga 'marian'?
Cabbage root fly (Delia radicum)
Signs: Larval galleries through the root cause wilting, rotting, and complete loss if uncontrolled
Control: Brassica collars or 60-micron mesh covers at planting; crop rotation of at least three years away from brassicas
Flea beetle
Signs: Pinhole feeding damage on seedling leaves; plants stall in hot, dry spells
Control: Fine mesh row covers from sowing; disturb soil surface before sowing to kill pupae; use reflective mulch to deter adults
Slugs and snails
Signs: Shoulder scarring and crown damage allowing entry for soft-rot bacteria
Control: Iron phosphate pellets; copper barriers; hand-picking after dark and after rain
Keep rutabaga 'marian' pest-free
Healthy plants resist pests best. Get the basics right:
Rutabaga 'Marian' pests — FAQ
What is eating my rutabaga 'marian'?
Rutabaga 'Marian' is a clubroot-resistant variety but still suffers from cabbage root fly, flea beetles, and aphids. Slugs can scar root shoulders at ground level. In the UK, 'Marian' is widely grown precisely for clubroot tolerance, but pest management principles remain the same as all brassica roots.
How do I get rid of cabbage root fly (delia radicum) on rutabaga 'marian'?
Larval galleries through the root cause wilting, rotting, and complete loss if uncontrolled Brassica collars or 60-micron mesh covers at planting; crop rotation of at least three years away from brassicas
How do I get rid of flea beetle on rutabaga 'marian'?
Pinhole feeding damage on seedling leaves; plants stall in hot, dry spells Fine mesh row covers from sowing; disturb soil surface before sowing to kill pupae; use reflective mulch to deter adults
How do I get rid of slugs and snails on rutabaga 'marian'?
Shoulder scarring and crown damage allowing entry for soft-rot bacteria Iron phosphate pellets; copper barriers; hand-picking after dark and after rain