Tomato spotted wilt virus symptoms vary with plant age. Frequently, plants are stunted and leaves may become distorted due to uneven growth of foliage. The symptoms, such as those shown above, are often confused with Fusarium wilt. (Photo: Kenneth Seebold, UK)

Necrotic (brown) zonate spots and rings may occur on younger leaves. Spots may merge together to form larger necrotic areas. (Photo: Kenneth Seebold, UK)