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UMaine Cooperative Extension: Insect Pests, Ticks & Plant Diseases


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Plant Disease Images - Oak – Botryosphaeria Canker Pathogen

Botryosphaeria quercuum

Signs/Symptoms Images

 

Image Description: Print Friendly

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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University of Maine Cooperative Extension


Contact Information

UMaine Cooperative Extension: Insect Pests, Ticks & Plant Diseases
491 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
The University of Maine
Orono, Maine 04469
207.581.1110
A Member of the University of Maine System