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Brown Spots in Mandarin
verifiedReviewed by the GreenScout Team
Mandarin trees produce small to medium-sized citrus fruits with loose, easy-to-peel skin and sweet, seedless flesh
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Mandarin care requirements
These care conditions are most relevant to brown spots in Mandarin. Check each one as a potential cause.
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Light
Full sun (6–8 hours daily); thrives in bright conditions with good afternoon sun exposure
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Water
Keep soil consistently moist during growing and fruiting; reduce watering in winter dormancy
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Humidity
Moderate humidity (50–65%); occasional misting encourages foliage health
symptoms
Symptoms to look for in Mandarin
- fiber_manual_recordBrown patches on leaves
- fiber_manual_recordCrispy brown areas
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Common causes in Mandarin
- 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 Mandarin
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 Mandarin
Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.
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Preventing brown spots in Mandarin
Avoid direct midday sun. Improve air circulation. Water at soil level.