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Sunscald on Passion Fruit

Commonly affects: Passiflora edulis (Passion Fruit)

A pale, bleached, or leathery patch develops on the sun-facing side of fruit, especially after sudden exposure from pruning or leaf loss.

Potential Causes

  1. 1Sudden exposure to intense sun after over-pruning removed sheltering foliage
  2. 2Leaf loss from disease exposing previously shaded fruit
  3. 3A heatwave following cooler, cloudier weather

Solution Steps

  1. 1Prune gradually rather than removing large amounts of foliage at once
  2. 2Address any foliar disease causing leaf loss promptly
  3. 3Provide temporary shade cloth during extreme heat events
  4. 4Harvest affected fruit promptly since scald increases rot risk

Prevention Tip

Gradual, moderate pruning keeps enough foliage in place to naturally shade developing fruit from sudden sun exposure.