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Leaf Spot in Spring Onion
How to identify and treat leaf spot in Spring Onion.
potted_plant
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_recordCircular brown or black spots
- fiber_manual_recordYellow halos around spots
- fiber_manual_recordPremature defoliation
help
Common causes in Spring Onion
Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.
healing
How to treat leaf spot in Spring Onion
Remove affected leaves. Apply appropriate fungicide or bactericide.
shield
Preventing leaf spot in Spring Onion
Water at soil level. Improve air circulation. Practise crop rotation.