The USDA has implemented testing requirements for blueberry scorch virus strains BC-1 and BC-2 in all Vaccinium species exported from Canada to the USA. A testing program by E.D. Cropconsult Ltd. is considered to meet the USDA requirements, and is recognized by the CFIA. Growers exporting blueberries should download the full information package below.

Blueberry scorch virus is an aphid-borne Carlavirus that causes a serious disease of highbush blueberry in North America and Europe. Symptoms of infection range from symptomless to chlorosis, to necrosis of leaves and flowers depending on virus strain and blueberry cultivar. In ornamental Vaccinium and cranberry (Vaccinium macrocarpon), the virus may produce no symptoms yet the plants could be carriers of virus.

Backgrounder: Sampling and Testing Program for Blueberry scorch virus (BlScV) in Vaccinium Plants Designated for Export from Canada to the USA ...

Protocol: Sampling Protocol for Blueberry scorch virus (BlScV) in Highbush Blueberry (Vaccinium corymbosum) and Other Vaccinium spp...

Form: Prior Sampling Authorization Permission Form Information Release Agreement...