SPIRANTHES MOSAIC VIRUS 3

 

Revisione

Fecha de publicación

Vie, 06 May 2022, 15:26

Última actualización

Mayo 6, 2022, 3:26 p.m.

Número del informe

GBR-32/2

País

United Kingdom

Plaga identificada

Spiranthes mosaic virus 3 - (SPMV30)

Estado del informe

Final

Hospederos

Phlox plants

Pest Status (old values from ISPM 8 -1998 )

• Present: under eradication

Pest Status (ISPM 8 - 2021)

• Present: not widely distributed and under official control

Distribución geográfica

Findings involve one propagator and the garden centre supplied by them

Resumen

The Phlox paniculata plants showing symptoms were discovered at a garden centre. They were vegetatively propagated from mother plants at a UK nursery, which are thought to have been obtained 4 years ago from another EU country. It seems unlikely that the virus would have remained latent within the mother plants at the propagator nursery without symptoms for such long period, so other sources of the virus are being considered. Plants showed some mottling and the lower epidermis was delaminated from the leaf. SpMV3 is a potyvirus and is presumed to be spread non-persistently by aphids. It is possible that aphids could spread this virus to other Phlox sp. as well as Spiranthes ceruna. All symptomatic plants have been destroyed and other lots at the same premises have been treated with insecticides to kill any possible aphid vectors. The plants will be held under statutory Notice to monitor for signs and symptoms of disease. Individual samples will be collected from both first and second generation mother plants being maintained by the propagating nursery and will be tested for the presence of the virus. Investigations will be carried out to trace any other Phlox sp. that may have been sent by the propagating nursery to other garden centres to ensure they are disease free.

Peligro

First finding in UK, only previous reports are from USA

Contacto para obtener más información

Richard McIntosh Defra Plant Health UK [email protected]

Archivos de informes

Sitio web

Palabras claves del tema

Organisms, status/role Pest reporting

Palabras clave del producto

Live plants incl. their roots, cuttings and slips; mushroom spawn (excl. bulbs, tubers, tuberous roots, corms, crowns and rhizomes, and chicory plants and roots)