Potato spindle tuber viroid (PSTVd) has a circular non-coding RNA genome of 359 nucleotides that replicates and spreads systemically in host plants. Consequently, all functions needed to establish a ...

Theodor Diener's 1971 discovery of viroids was hard sell. The now-retired Diener, who was working as a plant pathologist with the Agricultural Research Service in Maryland, was trying to isolate the ...

International trade and climate change are just two reasons why new potato pest and disease threats could emerge. Philip Case with the help of Gerry Saddler from Scottish government agency SASA ...

Potato spindle tuber disease wasn’t a life-or-death situation, but it led to the discovery of viroids. Subscribe to our daily newsletter to keep in touch with the subjects shaping our future. I ...

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The potato virus Y tuber necrosis strain, which causes a disease which results in dark unsightly rings on tubers, was detected on properties at Little Swanport, Bangor/Dunalley, Cressy and Connellys ...