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