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Detection of Cowpea mild mottle virus (Carlavirus) in Queensland

 
Revisione
Fecha de publicación
Vie, 23 Jun 2023, 05:19
Última actualización
Jun. 23, 2023, 5:19 a.m.
Número del informe
AUS-83/1
País
Australia
Plaga identificada
Cowpea mild mottle carlavirus - (CPMMV0)
Estado del informe
Final
Hospederos
Common bean (Phaseolus vulgaris), peanut (Arachis hypogaea), tomato (Solanum lycopersicum), chia (Salvia hispanica), cowpea (Vigna unguiculata) and soybean (Glycine max).
Pest Status (old values from ISPM 8 -1998 )
  • Present: only in some areas
Pest Status (ISPM 8 - 2021)
  • Present: not widely distributed and under official control
Distribución geográfica
Fassifern and Lockyer Valley, Queensland
Resumen

Cowpea mild mottle virus is known to cause severe distortion, twisting and discolouration of the pods as well as mosaic/mottling symptoms on leaves in beans. The virus infects peanut (Arachis hypogaea) and tomato (Solanum lycopersicum), in addition to chia, common bean (Phaseolus vulgaris), cowpea (Vigna unguiculata) and soybean. Cowpea mild mottle virus is transmitted by whitefly (Bemisia tabaci) in a non-persistent manner. The virus is also transmitted through cowpea and soybean seed. Disease incidence in bean crops inspected in Fassifern, Queensland was high-between 50%-90% symptomatic plants. Several bean crops were not harvested due to severe pod damage and beans from other crops have been downgraded or require considerable sorting in the pack house to remove affected pods.

Work to determine host range and mode of transmission, reduce disease inoculum over winter and to minimise impact on growers is in progress.

Peligro
Cowpea mild mottle virus has been detected in Australia in two locations (Fassifern and Lockyer Valley, Queensland) on three hosts French bean cv Wyatt (mainly) (Phaseolus vulgaris), soybean (Glycine max) and chia (Salvia hispanica).
Contacto para obtener más información
Australian Chief Plant Protection Officer Australian Government Department of Agriculture and Water Resources GPO Box 858 Canberra ACT 2601 [email protected]
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