Spotted Wilt

Tomato Spotted Wilt Virus

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Symptoms:
Fruit are malformed, with raised yellow, red, and green mottled bull's eye rings. Plants from which fruit are harvested are stunted, with older leaves turning yellow. Leaves show yellow speckling, with dark streaks along the petiole. Growing tips of the leaves may die. The virus is carried by flower and onion thrips that have carried the virus from infected weeds and ornamentals.

Control:
Elimination of plants that serve as hosts to thrips is the most important control measure. Clean cultivation, with special attention to border strips is important. Locate production away from large grain fields.

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Publication Revised December 2008