PACE Turf - Turfgrass Information Center


Stress index feature

View Larger The stress index indicates the risk to cool-season turf from high temperatures and humidities. Calculated by adding the maximum daily temperature with the minimum daily humidity, a sum of 140 or higher (highlighted in red) indicates a high risk from heat, gray leaf spot and pythium. Disease scouting and prevention, as well as heat management strategies should be put in place. Green means that the risk of disease or heat-related stress is minimal, and yellow indicates that stressful conditions may be imminent.

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