Abstract
A description is provided for Fusarium oxysporum f. sp. lycopersici. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Lycopersicon esculentum (tomato). May also infect other species of Lycopersicon. DISEASE: Vascular wilt. The fungus may also cause tomato fruit rot. GEOGRAPHICAL DISTRIBUTION: Widespread in tomato growing regions of the world. Africa: Kenya, Morocco, Nigeria, Republic of South Africa, Senegal, Tanzania, Tunisia. America: Argentina, Brazil, Canada, Cuba, Mexico, USA. Asia: China, India, Iran, Iraq, Israel, Japan, Korea, Pakistan. Australasia: Australia. Europe: Albania, Belgium, Bulgaria, France, Germany, Great Britain, Italy, The Netherlands, Spain, USSR. TRANSMISSION: The fungus is soil borne and may also be transmitted by seed (58, 3447; 67, 1486), planting material and locally by water flow.