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Downy Mildew in Brussels Sprouts
How to identify and treat downy mildew in Brussels Sprouts.
potted_plant
Brussels Sprouts care requirements
water
Keep soil consistently moist with 1–1.5 inches water weekly; even moisture prevents hollow heart defects and splitting
soil
Rich, well-draining loam with pH 6.0–7.5; incorporate compost or aged manure; high fertility supports bud development
light
Full sun (6–8 hours daily); adequate light ensures compact, tight sprout formation
symptoms
Symptoms to look for in Brussels Sprouts
- fiber_manual_recordYellow patches on upper leaf surface
- fiber_manual_recordGrey-purple fuzzy growth on undersides
- fiber_manual_recordWilting
help
Common causes in Brussels Sprouts
Caused by Peronospora and Pseudoperonospora species. Spreads in cool, humid conditions.
healing
How to treat downy mildew in Brussels Sprouts
Remove affected material. Apply copper fungicide or phosphonate.
shield
Preventing downy mildew in Brussels Sprouts
Avoid overcrowding. Water in morning. Choose resistant varieties.