Bondi Junction NSW, Australia
Fact Sheets
2021-09-08T03:17:34.3945208Z
   1
Turnip mosaic (099)
Pacific Pests, Pathogens and Weeds
Pacific Pests, Pathogens and Weeds

Summary

  • Worldwide. On brassicas, lettuce, spinach, some ornamentals, weeds. Important virus disease of brassicas.
  • Light and dark patches either side of the main veins. Diseased plant not suitable for market.
  • Spread by aphids – they transfer sap with the virus from diseased to healthy plants as they feed. Aphids fly or are blown by wind between plants. It is spread in seed.
  • Cultural control: check seedlings in the nursery, and handle seedlings with care; do not plant new crops near old; weed near nurseries and in the field; resistant varieties (Chinese cabbage); collect and burn trash after harvest.
  • Chemical control: none recommended.

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