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Fungal

Fusarium Wilt on Passion Fruit Vines

Commonly affects: Passiflora edulis (Passion Fruit)

The vine wilts progressively from the tips inward, with leaves yellowing and dropping even though soil moisture seems adequate. Cutting the stem reveals brown vascular streaking.

Potential Causes

  1. 1Fusarium oxysporum f. sp. passiflorae fungus living in soil and entering through roots
  2. 2Poor drainage keeping roots stressed and more susceptible
  3. 3Continuous planting in the same soil without rotation

Solution Steps

  1. 1Remove and destroy affected vines including the root system
  2. 2Avoid replanting passion fruit in the same soil for several years
  3. 3Improve drainage in the planting area before replanting
  4. 4Graft susceptible varieties onto Fusarium-resistant rootstock where available

Prevention Tip

Grafted plants on resistant rootstock are the standard commercial solution — worth seeking out if fusarium wilt is a recurring problem in your area.