Horsechestnut – Guignardia Blotch
Guignardia aesculi
Horsechestnut – Guignardia Blotch Signs & Symptoms
- Infected leaf
- Leaf spot with pycnidia evident
- Leaf spot with pycnidia evident
Horsechestnut – Guignardia Blotch Pathogen
- Top of pycnidium showing ostiole
- Cross-section of pycnidium in leaf tissue
- Cross-section of pycnidium
- Conidia with mucoid appendages