Other Plant Disease — United States
Several newly evolved strains of the disease known as potato virus Y, or PVY, can render potatoes unmarketable and reduce crop yield [but] are particularly difficult to detect with the naked eye. Mark Pavek, Washington State University [WSU]: “In the last 5 years or so, the common PVY-O strain appears to be becoming less common and strains such as PVY-NO and PVY-NTN are becoming more common.”
Potato seed [tuber] growers rely on field detection to help their product to be certified as
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