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Brown Spots in Shallot
verifiedReviewed by the GreenScout Team
Shallots are small, elongated alliums with a subtle garlic-onion flavor, grown from individual cloves for cluster bulb production
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Shallot care requirements
These care conditions are most relevant to brown spots in Shallot. Check each one as a potential cause.
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Light
Full sun, 6–8 hours daily; essential for proper bulb development and storage quality
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Water
Water moderately, 1 inch per week during growth; reduce watering once tops begin to yellow and bulbs approach maturity
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Humidity
Prefers drier conditions (40–50% humidity); good air circulation prevents fungal diseases and supports curing
symptoms
Symptoms to look for in Shallot
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Shallot
- fiber_manual_recordFungal leaf spot
- fiber_manual_recordSunburn
- fiber_manual_recordBacterial blight
- fiber_manual_recordCold damage
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How to diagnose brown spots in Shallot
Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.
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How to treat brown spots in Shallot
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Shallot
Avoid direct midday sun. Improve air circulation. Water at soil level.