Western Australia, Black spot, Early blight, Tomato disease, Tomato blight
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Black spot disease is one of the most important limiting factors to tomato production in the Geraldton district of this State. All above ground parts of tomato plants are affected and, under weather conditions favourable to the disease, serious defoliation and reduction of fruit yields are experienced.
Doepel, R F.
"Black spot or early blight of tomatoes,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 2
, Article 8.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture3/vol2/iss1/8