Crop diseases
Carrot Diseases
Disease names frequently listed for Carrot varieties. Prefer resistant cultivars and cultural prevention where possible.
Diseases mentioned for this crop
- Black Rot 19 mentions
- Clubroot 16 mentions
- Downy Mildew 14 mentions
- Alternaria Leaf Blight 12 mentions
- Bacterial Soft Rot 12 mentions
- White Rust 8 mentions
- Cavity Spot 6 mentions
- Damping-Off 6 mentions
- Cercospora Leaf Spot 5 mentions
- Early Blight 5 mentions
- Aster Yellows 4 mentions
- Late Blight 4 mentions
- White Rot 4 mentions
- Blackleg 3 mentions
- Potato Scab 3 mentions
- Leaf Blight 2 mentions
- Scab 2 mentions
- Generally Disease Resistant 2 mentions
- Fusarium Wilt 2 mentions
- Purple Blotch 2 mentions
- Soft Rot 1 mentions
- Carrot Rust Fly Damage 1 mentions
- Club Root 1 mentions
- White Rust (Rare Due To Quick Maturity 1 mentions
- Root Rot 1 mentions
- Occasional Bacterial Soft Rot 1 mentions
- Root Rot In Poorly Drained Soils 1 mentions
- Common Scab (Mild 1 mentions
- Neck Rot 1 mentions
- Fusarium Rot 1 mentions
- Fungal Leaf Diseases (Rare In Cool-Season Fall Growth 1 mentions
- Prevent With Dry Foliage 1 mentions
- Canker (Resistant 1 mentions
- Rare Cases Of Root Rot In Waterlogged Soils 1 mentions
- Leaf Spot 1 mentions
- Carrot Root Rot 1 mentions
- Pink Root 1 mentions
- Rust 1 mentions
- Fusarium Wilt (Rare In Well-Drained Soil 1 mentions
- Bacterial Leaf Spot (Minor In Cool Seasons 1 mentions
- Bacterial Leaf Spot 1 mentions
- Powdery Mildew 1 mentions
- Root Rot In Waterlogged Soil 1 mentions
- Canker 1 mentions
Resistance notes from varieties
- Good tolerance to splitting and cracking
- Good cold tolerance and slow to bolt
- Good bolt resistance and heat tolerance for a turnip
- Excellent cold tolerance and storage ability
- Good general disease resistance, moderate carrot fly tolerance
- Excellent downy mildew resistance, good cercospora leaf spot tolerance
- Generally disease-free due to rapid growth cycle
- Good general resistance, tolerates clubroot better than related crops
FAQ: diseases of Carrot
What diseases affect Carrot?
Cultivar notes commonly mention Black Rot, Clubroot, Downy Mildew, Alternaria Leaf Blight, Bacterial Soft Rot, White Rust, Cavity Spot, Damping-Off, Cercospora Leaf Spot, Early Blight, Aster Yellows, Late Blight. Choose resistant varieties where available and improve airflow / drainage to reduce risk.
Lists are aggregated from cultivar notes, not a lab diagnosis. Confirm with local extension before treating.