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Pospiviroid positives detected by real time RT-PCR (TaqMan) are tested by RT-PCR and sequencing to try to identify and confirm the pospiviroid.
This testing for cereal crops covers both Barley yellow dwarf virus (BYDV) and Soil-borne cereal mosaic virus.
Pospiviroid positives detected by real time RT-PCR (TaqMan) are tested by RT-PCR and sequencing to try to identify and confirm the pospiviroid - this is a supplementary test to our standard Pospiviroid seed testing package.
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.
The common symptoms of Potato spindle tuber viroid (PSTVd) can include stunted growth and changes in the foliage colour in extensively affected crops.
Further viruses are available for an additional fee. These are Potato leaf roll virus (PLRV) and potato viruses PVA, PVV and PVX.
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