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Cooperative Extension, Sutter-Yuba Counties
Anthracnose on English Walnuts 'Serr'
Anthracnose on English Walnuts 'Serr'
May 1, 2012, Sutter County
All Photos by Janine Hasey
Leaf Symptoms

(young infections)


(advanced leaf lesion symptoms)

(magnified advanced leaf lesion)

(lesions showing sporulation of the pathogen)
Leaf Drop


Symptoms on shoots and on compound leaf rachis
actively sporulating (beige areas)



- Home
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Tree Crops
- Root Lesion Nematode
- Walnut Blackline
- Crown Gall
- Root Diseases
- Over Irrigation
- Moisture Stress
- Yellow Leaf Symptoms and Causes
- Walnut Quality
- Walnut damage from winter kill or autumn frosts
- Oilless Nuts
- Branch Wilt
- Botryosphaeria Blight & Phomopsis Cankers
- Anthracnose on English Walnuts
- Cover Crops
- Walnut Information
- Walnut Problems
- Peach Information
- Kiwifruit Information
Agriculture and Natural Resources, University of California
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