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UMaine Extension: Insect Pests & Plant Diseases
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Plant Disease Images - Oak – Botryosphaeria Canker Pathogen
Botryosphaeria quercuum
- Conidioma and immature ascomata
- Conidioma
- Immature ascoma
- Spermagonium
- Ascus
- Ascospores amid paraphyses
- Conidia on conodiophores
- Conidium
Image Description: Conidioma and immature ascomata
Image Description: Conidioma
Image Description: Immature ascoma
Image Description: Spermagonium
Image Description: Ascus
Image Description: Ascospores amid paraphyses
Image Description: Conidia on conodiophores
Image Description: Conidium
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Contact Information
UMaine Extension: Insect Pests & Plant Diseases491 College Avenue
Orono, Maine 04473-1295
Phone: 207.581.3880, 800.287.0279 (in Maine) or 800.287.8957 (TDD)E-mail: extension@maine.edu