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Detection of Cowpea mild mottle virus (Carlavirus) in Queensland

Publication Date
Thu, 18 May 2017, 01:49
最后更新与
June 23, 2023, 5:19 a.m.
Report Number
AUS-83/2
国家
Australia
Pest Id
Cowpea mild mottle carlavirus - (CPMMV0)
Report Status
Final
Hosts
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 not under official control
Geographical Distribution
Fassifern and Lockyer Valley, Queensland
摘要

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.

Danger
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).
Contact for info
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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