Identifying Feature[]
Foot rot is generally a disease of seedling tomatoes, but mature plants can be attacked.
Treatment[]
None if diseased areas are large. Lift plant and burn. If plant is only slightly affected mulch stem base with moist peat and water with Cheshunt Compound; some fruit may be obtained.
Prevention[]
Use sterilised soil or compost for raising seedlings. Avoid overwatering. Never plant into infected soil