Cell membrane punctures during epidermal penetrations by aphids: consequences for the transmission of two potyviruses



    1. Parasite and Pest Biology Research Group, Biosphere Sciences Division, King's College London, Campden Hill, London W8 7 AH, UK
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    • *Agriculture and Food Research Council Linked Research Group in Aphid Biology, Department of Biology, Imperial College at Silwood Park, Ascot, Berks SL5 7PY, UK


Electrical penetration graphs (EPGs) were used to investigate aphid stylet activities during brief penetrations and the importance of these events for the nonpersistent transmission of two potyviruses, beet mosaic virus (BMV) and potato virus Y (PVY). Stylet puncture of a cell membrane, recorded as a potential drop, was correlated with the acquisition and inoculation of PVY and acquisition of BMV by Myzus persicae.