Tools for managing gray leaf spot

Warm air temperatures and high humidities are triggers for gray leaf spot. But when should you begin monitoring for this destructive disease? And when should preventive fungicide applications be made?

The gray leaf spot index that appears on your PACE Weather Update can help to answer these questions using a simple, color-coded presentation where red, yellow and green indicate high risk, medium risk and low risk for development of gray leaf spot.

We base these forecasts on a model, proposed…