Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition
Turnip mosaic (099)
- 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.
Turnip mosaic virus; the abbreviation is TuMV.
AUTHORS Helen Tsatsia & Grahame Jackson
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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