A very dry spring has led to subdued disease levels in winter wheat, but a turn towards wetter weather at the end of April could be just the spark septoria leaf blotch disease needs to spread through crops. Oli Hill and David Jones boarded the Crop Doctor helicopter to assess disease levels across the length and breadth of England. The helicopter travelled to south Lincolnshire, North Yorkshire, Herefordshire and south Oxfordshire to look for septoria and yellow and brown rust, […]