Begonia – Impatiens Necrotic Spot Virus (INSV)

Begonia – Impatiens Necrotic Spot Virus (INSV)

INSV and TSWV (Tomato Spotted Wilt Virus) are two members of the Tospoviruses which are vectored exclusively by Western flower thrips (Frankliniella occidentalis). These viruses have an extremely wide host range (more than 600 species of plants are susceptible). There is no cure or chemical treatment for plant viruses. Discard affected plants, eradicate weeds that may be hosts, and control thrips populations. Inspect plant material at arrival or quarantine new shipments. Do not grow vegetable transplants and ornamental bedding plants in the same greenhouse.

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