Occurrence of a Third Race of Fusarium Wilt of Tomatoes in Queensland. R. Grattidge, District Experimentalist, Plant Pathology Branch, Department of Primary Industries, Bowen, Queensland, Australia. R. G. O’Brien, Senior Pathologist, Plant Pathology Branch, Department of Primary Industries, Indooroopilly, Brisbane, Queensland. Plant Dis. 66:165-166. Accepted for publication 8 May 1981. Copyright 1982 American Phytopathological Society. DOI: 10.1094/PD-66-165.

A third race of Fusarium wilt (Fusarium oxysporum f. sp. lycopersici) causing typical vascular wilt symptoms on field-grown tomato cultivars resistant to race 2 is reported from Queensland. First sighted in 1978, the disease is now widespread and causing reduced yields on 25% of farms in the Bowen district.

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