Pests of Christmas Trees
Christmas Tree Production in the Sierra Nevada Foothills
by Lynn R. Wunderlich, Farm Advisor, U.C. Cooperative Extension, Central Sierra Nevada Foothills
Information on stump culture, pests, and local research.
What is killing my trees? - Phytophthora Root Rot
Understanding and Managing Phytophthora Root Rot in Doug and True Firs by Lynn Wunderlich, Farm Advisor, U.C. Cooperative Extension
Central Sierra Nevada Foothills