Maple – Tar Spot
Rhytisma acerinum
Maple – Tar Spot Signs & Symptoms
- Sample 1: Infected leaves
- Sample 1: Infected leaf
- Sample 2: Apothecia in tar spots
- Sample 2: Apothecia in tar spots
- Sample 2: Apothecia in tar spot with hymenia evident
- Sample 2: Apothecia in tar spot with hymenia evident
Maple – Tar Spot Pathogen
- Vertical cross-section of apothecium with ascospores emerging
- Vertical cross-section of apothecium with ascospores emerging
- Vertical cross-section of apothecium with ascospores emerging
- Vertical cross-section of apothecium with asci and paraphyses apparent
- Ascospores with mucilagenous appendage faintly apparent
- Ascospore with mucilagenous appendage apparent
- Asci