Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

First report of cucumber mosaic cucumovirus on Wasabi in Australia.

Abstract

Wasabia japonica [Eutrema wasabi] plants grown under shade houses in Tasmania, Australia, showed systemic necrotic flecks, leaf vein necrosis, and sunken necrotic stem lesions. The presence of cucumber mosaic cucumovirus (CMV) in symptomatic plants was confirmed by ELISA, and by sap transmission tests to healthy E. wasabi and Chenopodium quinoa plants. In November 1997, a commercial planting was investigated for CMV infection. CMV incidence was 2.6%, and was concentrated at field margins, suggesting that the inoculum was from external sources and not from transplants.