PRO/PL> Potato virus Y – USA: population shift (ME)

Other Plant Disease — United States
The Maine Potato Board [MPB] announced recently that 60 percent more seed potato lots tested in 2019-2020 were rejected than in 2018-2019. A total of 7.3 percent of all seed potato lots were rejected. It was the highest rejection rate since 2012-2013.
The results were emblematic of a significant problem across the country: new strains of potato virus Y [PVY] that are harder to spot during production than previous strains, MPB’s Andrew Plant said. The primary cause of these rejections was