Bondi Junction NSW, Australia
Fact Sheets
Passionfruit collar rot (155)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds


  • Narrow distribution. Oceania. The ginger weevil has a wide host range,  including coconut, chillies, eggplant, kava, roselle, sweetpotato, and some orchids. An important condition caused by insects and fungi.
  • A problem just above soil level (the collar) caused by the ginger weevil and two fungi.
  • Weevils lay eggs in the stem, larvae make tunnels and fungi cause rots. Later, the swollen stems crack, leaves fall, vines die back and death results.
  • A serious problem, worse during the dry season.
  • Cultural control: none recommended.
  • Chemical control: use a fungicide, thriam, mixed with latex, painted on the collar region.

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