Plant diseases, Lettuce mosaic, Lettuce, Lettuce disease
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Preliminary surveys of metropolitan market gardens during July and August showed that the virus disease known as lettuce mosaic was present in amounts varying from one to 90 per cent. If not checked it is likely to become one of the most serious diseases of local winter lettuce crops.
Harvey, H L.
"Plant diseases - lettuce mosaic,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 1
, Article 18.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture3/vol1/iss5/18