Spray timings key to beat turnip yellows virus in OSR

摘要

Turnip yellows virus (TuYV) reached epidemic levels in some parts of the UK this summer and the neonicotinoid seed treatment ban means growers need to get the most out of their autumn insecticides.Parts of England have seen TuYV infection soar as highas 92°/o, with the south of England, Somerset and Yorkshire hardest hit. The levels are described as "worrying" by John Walsh of Warwick University, as hehighlights that levels of infection are much higher than they have been for the past few seasons.