Coffee Leaf Disease

Roya (Hemileia vastatrix) · Ojo de gallo (Mycena citricolor)

Research build
Field-photo tip. Lay the leaf flat on a plain dark or white surface, fill the frame, avoid glare. Models are trained on flatbed scans, so a phone photo gives an estimate, not a validated grade — use flatbed scans for reported results.

Leaf image

1
Drop a leaf image or browse · paste with Ctrl+V
Selected leaf

Disease

2

Model

3

Detection threshold

4
0.50
Lower = more sensitive. Higher = stricter (fewer false lesions).
Example leaves

Result

Add a leaf and press Analyze to see the severity, grade and lesion map.