Crop Health

Powdery scab (Spongospora subterranea) is a fungal blemish disease of potatoes. A cosmetic defect with small lesions occurring in the early stages of the disease, progressing to raised pustules containing a powdery mass.

Tests for the 2 viruses responsible for spraing, the nematode transmitted Tobacco rattle virus (TRV) and the Powdery scab transmitted Potato mop top virus (PMTV)