Fig. 1.

Observation of host effects and virion morphology of the emerging tombusvirus-like virus. a Symptoms showing leaf mosaic (right) and fruit malformation (left) were observed on field cucumber plants in Xizhou Township of Changhua County, Taiwan in June 2020. b The virus isolate CX-2, isolated from the diseased cucumber sample ‘2106-2’ through three successive single lesion transfers on Chenopodium quinoa leaves, induces necrotic spots on inoculated C. quinoa leaves 3 days post-inoculation (3 dpi). c Negative-stained icosahedral virus particles of about 30 nm in diameter were observed in the crude sap of CX-2-infected C. quinoa leaves 3 dpi