Alberta farmers have a new tool to manage ascochyta blight in field peas.
The Alberta Pulse Growers have added a disease ‘scorecard’ to its app to help pea growers make the decision on whether or not to spray.
Ascochyta blight is the most destructive foliar disease of peas in Western Canada and around the world. It is caused by a complex involving three fungal pathogens: Ascochyta pisi, Mycosphaerella pinodes and Phoma pinodella.
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Symptoms appear within two to four days after infection and include spots on all above-ground portions of the plant, including leaves, stems, flowers and pods. Symptoms of infection are always more severe on the lowest parts of the plant.
You can find the tool under ‘Calculators’ on the app, available at the Alberta Pulse Growers website.
