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UMaine Cooperative Extension: Insect Pests, Ticks & Plant Diseases


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Plant Disease Images - Birch – Septoria Signs & Symptoms

Septoria sp.

 Pathogen Images

 

Image Description: Print Friendly

Image Description: Infected leaves

Image Description: Pycnidia in leaf tissue

Image Description: Top view of pycnidia in leaf tissue showing ostioles. Top and bottom light.

Image Description: Pycnidia in leaf tissue. Two are extruding a cirrus of conidia

Image Description: Pycnidia in leaf tissue with some extruding cirri of conidia, not to be confused with straight, white plant hairs.

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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