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Rust in Spring Onion
How to identify and treat rust in Spring Onion.
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Spring Onion care requirements
water
Keep soil consistently moist with 0.5–1 inch per week; avoid waterlogging; reduce water if plants are left to perennialize
soil
Well-draining, fertile loam with pH 6.0–7.0; tolerates a range of soils; add compost for productivity
light
Full sun to part shade, 4–6 hours daily; tolerates light shade, especially in hot climates
symptoms
Symptoms to look for in Spring Onion
- fiber_manual_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
help
Common causes in Spring Onion
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Spring Onion
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
shield
Preventing rust in Spring Onion
Avoid overhead watering. Space plants adequately. Clear debris.