Plant Science & Biology

Disease Risk Index

Heuristic disease-risk index from temperature, humidity and leaf-wetness thresholds. Based on published infection-condition ranges (e.g. Botrytis 15–25°C with prolonged leaf wetness) — a rules-of-thumb index, not a trained model.

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How it calculates

A heuristic index from published infection-favorable ranges, not a trained/learned model.
Threshold coefficients are rules-of-thumb; validate against local scouting before acting.

What you enter

Avg Temperature (24h)(°F)
Avg Relative Humidity(%)
Leaf Wetness Duration(hrs)
Plant Density(plants/m²)

What you get

Botrytis (Gray Mold) Index(%)
Powdery Mildew Index(%)
Pythium / Root Rot Index(%)
Overall Disease Pressure Index(%)

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