Impatiens necrotic spot virus

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Impatiens necrotic spot tospovirus symptoms on Coleus (click on image to enlarge it)
Author(s): Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Impatiens necrotic spot tospovirus symptoms on Coleus (click on image to enlarge it)
Author(s): Jeffrey W. Lotz, Florida Department of Agriculture and Consumer Services
Source: IPM Images

Impatiens necrotic spot tospovirus (INSV)

The virus is an important pathogen of flowers in greenhouses in various regions. Affected ornamentals include, for example, Impatiens, Cyclamen, Begonia, Eustoma and Gentiana.

A variety of symptoms have been described like mottling, stunting, necrotic and chlorotic spots as well as ring spots. It is transmitted by Frankliniella occidentalis.

For details see the respective page in Wikipedia.