University of California
UCCE Humboldt - Del Norte Counties
UCCE Humboldt - Del Norte Counties Site Map
- Home Page
- About UCCE
- Contact Us
- Programs
- 4-H
- Virtual Learning Opportunities & Project Curriculum
- 4-H Volunteer Opportunities
- Del Norte County 4-H Program
- Humboldt County 4-H Program
- 4-H Forms and Scholarships
- 4-H Summer Camp
- Specialty Crops & Horticulture
- Fire
- Forestry and Forest Health
- Forestry Institute for Teachers (FIT)
- Forestry Publications
- Oak Woodland Management
- Past Workshops
- Redwood Science Symposium 2016
- Sudden Oak Death
- UC Forest Research and Outreach
- Woody Biomass
- Guide to Common Local Tree Diseases
- Douglas-fir (Pseudotsuga menziesii)
- Flatheaded fir borer (Phaenops drummondii)
- Douglas-fir beetle (Dendroctonus pseudotsugae)
- Black Stain Root Disease (Leptographium wagneri)
- Armillaria Root Disease (Armillaria spp)
- Douglas-fir Dwarf Mistletoe (Arceuthobium douglasii)
- Douglas-fir Pole Beetle (Pseudohylesinus nebulosus)
- Douglas-fir Engraver Beetle (Scolytus unispinosus)
- Douglas-fir Twig Weevil (Cylindrocopturus furnissi)
- Phomopsis Canker of Douglas-fir (Phomopsis lokoyae)
- Velvet-Top Fungus/Cowpie Fungus/Dyer's Polypore (Phaeolus schweinitzii)
- Red Ring Rot (Porodaedalea pini)
- Sitka Spruce (Picea sitchensis) Diagnostic Tables
- Douglas-fir (Pseudotsuga menziesii)
- Livestock
- Master Food Preserver
- Master Gardener Program
- Nutrition & Community Wellness
- Community Economic Development
- 4-H
- Publications
- Resources