Find crop problems, pests, weeds and diseases

Septoria tritici is a key wheat disease in the UK, driven by rainfall and canopy microclimate, and can cause major yield loss.

Crops: winter wheat, spring wheat

Active: Jan, Feb, Mar, Apr, May, Jun, Jul, Oct, Nov, Dec

Yellow rust (stripe rust) is a fast-spreading cereal disease that can escalate quickly under cool, humid conditions.

Crops: winter wheat, spring wheat, triticale

Active: Mar, Apr, May, Jun, Jul

Brown rust affects wheat and barley and often rises in warmer conditions, reducing green area and grain-fill performance.

Crops: winter wheat, spring wheat, barley

Active: May, Jun, Jul, Aug

Powdery mildew forms white powdery growth on leaves and stems, reducing crop efficiency where pressure is sustained.

Crops: winter wheat, spring barley, winter barley

Active: Mar, Apr, May, Jun, Jul