Plant viruses, Western Australia
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Viruses are extremely small particles which can only be seen with an electron microscope. A virus is present in a diseased plant as huge numbers of tiny particles within the cells of the plant. Viruses which are infectious can cause disease, and reproduce only inside the cells of a living plant.
Many insects transmit plant virus diseases—aphids, leafhoppers, mealy bugs, thrips and beetles. Generally a virus is spread by only one of these groups of insects.
The Western Australian Department of Agriculture is expanding the diagnostic service for the identification of plant viruses.
"Virus diseases in agriculture,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 16
, Article 2.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol16/iss1/2