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Brown Spots in Plum Fruit

verifiedReviewed by the GreenScout Team

Plums are deciduous stone fruit trees that produce sweet to tart fruits in shades of purple, red, or yellow, typically ripening in late summer

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Plum Fruit care requirements

These care conditions are most relevant to brown spots in Plum Fruit. Check each one as a potential cause.

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Light
Full sun (6–8 hours daily minimum); essential for fruit development and sweetness.
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Water
Deep, regular watering during growing season; reduce in dormancy. Keep soil consistently moist but not waterlogged. Drought stress can reduce fruit quality.
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Humidity
Moderate humidity preferred. Good air circulation around canopy reduces disease risk; avoid overhead watering.
symptoms

Symptoms to look for in Plum Fruit

  • fiber_manual_recordBrown patches on leaves
  • fiber_manual_recordCrispy brown areas
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Common causes in Plum Fruit

  • 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 Plum Fruit

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 Plum Fruit

Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.

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Preventing brown spots in Plum Fruit

Avoid direct midday sun. Improve air circulation. Water at soil level.

Other Plum Fruit problems

Brown Spots in Plum Fruit — Causes & Treatment | GreenScout