Bondi Junction NSW, Australia
Fact Sheets
2021-09-08T03:17:35.4693513Z
   4
Vanilla viruses (159)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds

Summary

  • Narrow distribution. Pacific Islands. There are several viruses - Watermelon mosaic virus (vanilla necrosis strain) and Vanilla mosaic virus.
  • WMV-VNV and VaMV cause severe diseases, with WMV-VNV the more important.
  • Yellow patches and streaks; later, black scab-like spots with long black streaks on the stems, and rapid dieback and death within 3-12 months.
  • Spread by aphids, in cuttings and on pruning tools.
  • Cultural control: wash hands often when pruning; remove diseased plants as soon as symptoms are seen; cuttings only from healthy plants; weed; disease-free tissue cultures (SPC CePaCT).
  • Chemical control: none recommended.

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