Yield-sapping yellows virus is widespread

摘要

New results highlight the true incidence of turnip yellows virus. Louise Impey takes a closer look. Up to three-quarters of oilseed rape crops being monitored on Velcourt farm sites as part of a HGCA project are estimated to be infected with turnip yellows virus this season. Trapping results that also found about 30% of Myzus persicae aphids were carrying the vims.