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Impatiens Necrotic Spot Virus (INSV) in New South Wales (NSW)

old revision
Publication Date
Mon, 09 May 2022, 00:38
Last Updated
May 9, 2022, 12:38 a.m.
Report Number
Report Status
Lactuca sativa (lettuce) in Australia
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
Geographical Distribution
The virus was detected in January 2018 in Elderslie, New South Wales. The virus was previously detected in ornamental plants on a property in 2010 in NSW and successfully eradicated. There are no pest records for INSV in the rest of Australia.

In January 2018, INSV was detected in lettuce crops at a farm in Elderslie, in the state of NSW. A decision was made not to attempt to eradicate the virus.

INSV causes necrotic spots on leaves, stems and flowers. Initial chlorotic spots rapidly become necrotic. Plants are susceptible at all growth stages, with infected younger plants more likely to die than those infected at a later growth stage.
Contact for info
Australian Chief Plant Protection Officer Australian Government Department of Agriculture GPO Box 858 Canberra ACT 2601 [email protected]
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