However, the leaf tissue is stiff, not limp. The most noticeable symptoms are yellow rings or spots on fruit. Fruit may be distorted. TSWV and INSV are moved from plant to plant by western flower thrips. The only way to manage the disease is to remove and destroy affected plants.
Thrips are extremely difficult to control.
Trials with soaps, oils and sulfur dust have not yielded good results. Root rot can be caused by several fungi. However, poor soil drainage and overwatering are always involved. For home Gardeners, control of a potential root rotting fungus is almost impossible. Therefore, management of root rot requires soil improvement, proper watering, and rotation of tomatoes.