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Shallot care requirements
water
Water moderately, 1 inch per week during growth; reduce watering once tops begin to yellow and bulbs approach maturity
soil
Well-draining loam with pH 6.0–7.0; avoid waterlogged soil which causes rot; add compost before planting
light
Full sun, 6–8 hours daily; essential for proper bulb development and storage quality
symptoms
Symptoms to look for in Shallot
- fiber_manual_recordYellowing and wilting of foliage, especially on onions and garlic
- fiber_manual_recordFluffy white fungal growth around the base and roots
- fiber_manual_recordSmall black sclerotia embedded in the white growth and rotted bulb tissue
help
Common causes in Shallot
Caused by the soil-borne fungus Sclerotium cepivorum, which can persist as sclerotia in soil for many years and is triggered into growth by chemical signals from allium roots.
healing
How to treat white rot in Shallot
There is no effective treatment once plants are infected; remove and destroy affected plants and surrounding soil where practical to limit sclerotia buildup.
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Preventing white rot in Shallot
Avoid growing alliums in known infected ground for as long as possible, use certified clean sets or seed, and avoid moving contaminated soil between growing areas.