Barley Ramularia Control Nightmare

Symptoms that are hard to identify, a lack of genetic resistance, and the loss of chlorothalonil have gained ramularia leaf spot a reputation as one of the most notorious diseases to control in barley crops.

However, new fungicide options have emerged in recent seasons which help to put some control back in the hands of the farmer.

Yield losses from the disease can be as high as 1.5-2t/ha in winter barley and 0.75-1.5t/ha in a spring crop.

Because there are still no Recommended List varieties offering significant control of ramularia, current control of the disease relies solely on chemistry.