date:Nov 20, 2019
Potato virus Y (PVY) is the most serious problem facing the potato industry in the United States and is the main cause for rejection of seed potato lots. The virus affects potatoes in two ways: It reduces the yield of potato tubers by 70-80% and also negatively affects the quality of the remaining tubers due to necrotic reactions.
PVY encompasses a complex network of strains with a range of symptoms. During the last 10 years, major changes have been observed in the prevalence of different strai