Fusarium Crown and Root Rot of Tomato
Fusarium oxysporum f. sp. radicis-lycopersici
Tomatofungal
A soilborne fungal disease that rots the crown and roots, causing wilting and internal stem discoloration.
Symptoms
Brown lesions on the crown, upper roots, and lower stem, wilting, and dark discoloration visible inside the stem base when cut.
Favorable conditions
- •Cool soil temperatures during establishment
- •Continuous tomato cropping in infested soil
- •Excess soil moisture
Management
- 1Use resistant varieties or grafted rootstock
- 2Fumigate or solarize infested soil
- 3Rotate crops away from tomato
- 4Biological seed treatments (Trichoderma spp., non-pathogenic Fusarium) can reduce disease
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