Grape Compass forecasts this years powdery mildew risk levels

Grape Compass is a decision support application for viticulturalists and grape growers. It makes reliable forecasts of fungal infection risks in vineyards. Powdery mildew is one of the fungal diseases for which Grape Compass provides a 5-day forecast of the risk levels for a farm’s specific location.

See below daily snapshots of how the risk levels for powdery mildew changed during September and October 2022 in South Africa.