El Dorado County - Pest Management

Pest Management

Pests of Christmas trees

Christmas Tree Production in the California Sierra Foothills By L. R. Wunderlich, Farm Advisor, University of California Cooperative Extension, El Dorado and Amador Counties.
Information on stump culture, pests, and local research.
Spider mites
Aphids

Phytophthora Root Rot

Phytophthora

Understanding and Managing Phytophthora Root Rot in Doug and True Firs, with Indentifying chemical and cultural management for Phytophthora By L. R. Wunderlich, Farm Advisor, University of California Cooperative Extension, El Dorado and Amador Counties.
"What's killing my trees?" Information about this root rot disease, symptoms, and some ways to help manage it.

Phytophthora lesion

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