Historical trends - light leaf spot

For reference, the maps below allow a comparison of the previous three years updated average regional forecast for the percentage of crops with >25% affected plants.

Damage Caused by Light Leaf Spot Disease Over Previous Years

Light leaf spot can cause yeld losses of up to 1.5 t/ha per annum, at an estimated cost of more than £30-160 million in the UK. This is despite expenditure of more than £10 million per annum on fungicide to control the disease.

Winter oilseed rape losses due to disease (£Million)

Based on Defra-funded Winter Oilseed Rape Pest and Disease Survey Data delivered through CropMonitor (www.cropmonitor.co.uk). Data calculated with oilseed rape at a price of £235/t.