virus (1) biologie (1) temps (durée) (1) plantation (d'arbres) (1) plomb (1) infection (1) récolte (1) champ (1) épidémiologie (1) distribution (1) âge (1) jeune (1) Epidemiology (1) Inoculation (1) Rates (1) Male actors (1) Vaccination (1) Tubers (1) Time (1) Theater (1) Science (1) Potato virus Y (1) Potato growers (1) Plants (1) Nets (1) Lead (1) Infection (1) Impact (1) Field trials (1) Experiments (1)