Potato virus Y is the most serious threat to potato—some strains more than others
Published Date: 11/18/2019
Source: phys.org
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.