About the Oregon State University Extension Service
The Oregon State University Extension Service provides research-based education and outreach programs that support agriculture, forestry, fisheries, horticulture, natural resources, environmental stewardship, youth development, and community well-being throughout Oregon. As the outreach arm of Oregon State University, Extension connects residents, farmers, ranchers, foresters, businesses, tribal communities, and local governments with practical solutions grounded in scientific research.
Official Website
https://extension.oregonstate.edu/
Oregon’s diverse landscape includes Pacific coastline, temperate rainforests, mountain ranges, high desert regions, fertile agricultural valleys, rivers, and urban centers. Oregon State University Extension develops programs tailored to the unique environmental, agricultural, and economic needs found throughout the state.
Core Services Offered
The Oregon State University Extension Service provides educational resources and technical assistance across a wide range of disciplines that support economic development, environmental sustainability, and healthy communities.
Agriculture and Crop Production
Oregon supports a diverse agricultural economy that includes specialty crops, nursery products, vineyards, berries, vegetables, grains, and livestock production. Extension specialists help producers improve productivity and sustainability.
- Crop production management
- Integrated pest management
- Soil health programs
- Irrigation management
- Nutrient management planning
- Agricultural economics and marketing
Oregon is nationally recognized for the production of hazelnuts, wine grapes, berries, grass seed, and specialty horticultural crops.
Forestry and Woodland Management
Forests are among Oregon’s most valuable natural resources and play a major role in the state’s economy and environment. Extension specialists provide support for forest landowners and natural resource managers.
- Forest stewardship
- Timber management
- Tree health monitoring
- Wildfire preparedness
- Wildlife habitat improvement
- Forest conservation planning
Fisheries and Marine Resources
Oregon’s extensive coastline and river systems support valuable fisheries and marine ecosystems.
- Fisheries management education
- Aquatic ecosystem conservation
- Marine resource stewardship
- Watershed protection
- Coastal resilience programs
- Aquaculture support
Home Gardening and Horticulture
Home gardeners throughout Oregon rely on Extension resources for science-based gardening and landscape management information.
- Vegetable gardening
- Fruit production
- Landscape maintenance
- Tree and shrub care
- Lawn management
- Garden pest identification
Master Gardener Program
The Oregon Master Gardener Program trains volunteers who help educate communities about gardening, plant health, and environmental stewardship.
Master Gardeners assist residents with:
- Plant selection
- Pest identification
- Composting techniques
- Native plant landscaping
- Pollinator conservation
- Sustainable gardening practices
Natural Resources and Environmental Stewardship
Extension programs help communities protect Oregon’s forests, waterways, wetlands, coastal environments, and wildlife habitats.
- Water quality protection
- Climate resilience education
- Watershed management
- Habitat restoration
- Invasive species management
- Conservation planning
4-H Youth Development
The Oregon 4-H program provides educational opportunities that help young people develop leadership skills and practical knowledge.
- STEM education
- Agricultural sciences
- Environmental education
- Animal science projects
- Leadership development
- Community service activities
Pest Pressures and Challenges in Oregon
Oregon’s diverse climate zones support a wide variety of agricultural, forest, landscape, and urban pests. Extension specialists provide science-based recommendations to help residents and producers manage pest problems while protecting environmental quality.
Forest Pests
Forest health is a major concern throughout Oregon. Native and invasive insects can significantly impact timber production, wildlife habitat, and ecosystem stability.
Important forest pests include:
- Douglas-fir Beetles
- Mountain Pine Beetles
- Western Spruce Budworms
- Bark Beetles
- Defoliating Caterpillars
- Emerald Ash Borers
Extension forestry specialists help landowners monitor forest health and implement management strategies that reduce pest impacts.
Agricultural Crop Pests
Oregon growers face numerous insect pests that can affect specialty crops, grains, fruits, vegetables, and nursery products.
Important agricultural pests include:
- Aphids
- Armyworms
- Cutworms
- Leafhoppers
- Spider Mites
- Thrips
Extension entomologists provide pest monitoring updates and integrated pest management recommendations throughout the growing season.
Wine Grape and Vineyard Pests
Oregon’s wine industry depends on effective pest management programs that protect vineyards and grape quality.
Common vineyard pests include:
- Grape Mealybugs
- Leafhoppers
- Spider Mites
- Cutworms
- Grape Phylloxera
- Thrips
Extension specialists provide vineyard-specific monitoring and management recommendations.
Hazelnut Orchard Pests
Oregon produces the majority of the nation’s hazelnuts and faces unique orchard pest challenges.
Common hazelnut pests include:
- Filbertworms
- Aphids
- Leafrollers
- Scale Insects
- Stink Bugs
- Mites
Extension resources help growers protect crop quality and maintain productive orchards.
Garden and Landscape Pests
Home gardens and ornamental landscapes throughout Oregon encounter a variety of insect pests and plant diseases.
Common garden pests include:
- Aphids
- Slugs
- Flea Beetles
- Cabbage Worms
- Leafminers
- Spider Mites
Extension publications help gardeners identify pests and implement sustainable management practices.
Tree and Urban Landscape Pests
Urban forests and ornamental trees throughout Oregon face pressure from native and invasive insects.
Important tree pests include:
- Emerald Ash Borers
- Scale Insects
- Bark Beetles
- Borers
- Aphids
- Defoliating Caterpillars
Extension specialists provide recommendations for maintaining healthy urban tree populations.
Invasive Species
Invasive insects, plants, and pathogens continue to threaten Oregon’s agriculture, forests, waterways, and natural ecosystems.
Notable invasive pests include:
- Emerald Ash Borers
- Spotted Lanternflies
- Brown Marmorated Stink Bugs
- European Chafer Beetles
- Various invasive weed species
Extension personnel work closely with state and federal agencies to support monitoring, early detection, and public education efforts.
Household and Structural Pests
Oregon homeowners regularly encounter pests that invade homes and commercial buildings.
Common household pests include:
- Ants
- Rodents
- Termites
- Cockroaches
- Spiders
- Stored Product Pests
Extension resources emphasize prevention, exclusion, sanitation, and integrated pest management approaches.
Integrated Pest Management Programs
Integrated Pest Management (IPM) serves as a foundation of Oregon State University Extension pest management education programs.
IPM strategies emphasize:
- Accurate pest identification
- Pest monitoring and scouting
- Preventive cultural practices
- Biological control methods
- Habitat modification
- Responsible pesticide use
These practices help reduce pest populations while protecting beneficial insects, pollinators, fisheries, wildlife, water resources, and environmental quality.
Research and Diagnostic Services
Oregon State University conducts extensive research focused on agriculture, forestry, fisheries, pest management, environmental stewardship, and natural resource conservation.
Research areas include:
- Crop protection
- Forest health monitoring
- Biological control
- Aquatic ecosystem management
- Urban pest management
- Invasive species research
Extension specialists translate scientific research into practical recommendations that benefit Oregon residents, businesses, agricultural producers, and natural resource managers.
Educational Publications and Resources
The Oregon State University Extension Service publishes a wide variety of educational materials covering pest management, agriculture, forestry, fisheries, horticulture, and environmental stewardship.
Popular Resources Include:
- Pest identification guides
- Crop production manuals
- Forest health publications
- Garden pest fact sheets
- Tree care resources
- Invasive species alerts
Many publications are available online and are regularly updated to reflect current research findings and emerging pest concerns.
Contact the Oregon State University Extension Service
Whether you need help identifying a pest, managing agricultural crops, protecting forests, improving a garden, maintaining trees, addressing invasive species concerns, or conserving natural resources, the Oregon State University Extension Service provides access to research-based information and local expertise throughout the state.
Residents can contact their local Extension office or visit the Oregon State University Extension Service website to access educational publications, pest management resources, diagnostic assistance, and professional guidance.