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Oregon Department of Agriculture: Grape Quarantine

Oregon Department of Agriculture administers a Grape Pest and Disease Quarantine program to limit the spread of vineyard pests into and across the state. Visit this page for more information on the quarantine program.

Oregon Department of Agriculture | Mar 2023 | Online resource

Vine Mealybug in Oregon

These resources will help you monitor, identify and manage vine mealybug, a new invasive vineyard pest in Oregon.

Mar 2023 | Collection

How to control household ants?

Q: I have an ant problem inside my house. Throughout the year I have ants roaming every room of my house, with periodic outbreaks when they find something to eat. When there's an outbreak, I use bait to deal with them, but...

A: View answer | View all featured questions

OSU Extension helps Klamath County farmers save forage by detecting and suppressing grasshoppers

When growing degree-days indicated that local grasshoppers were reaching concerning stages of maturity, Extension notified local landowners of the upcoming window of opportunity to deploy grasshopper suppression methods.

Ian McGregor | Feb 2023 | Impact story

Pest management schedule for backyard apple trees in Eastern Oregon

This document outlines a suggested management schedule for the most common insect pests and diseases of apple trees in Eastern Oregon.

Cody Copp | Feb 2023 | Publication Peer reviewed (Gray level)

2023 Pest Management Guide for Tree Fruits: Hood River, The Dalles, White Salmon, Rogue Valley, Umatilla County

This guide provides tree fruit growers with the latest information on pesticides and herbicides for fruit trees. People who grow apples, pears and cherries can learn application rates and recommendations for each stage of tree growth.

Ashley Thompson, Rick Hilton, Achala KC, Marcelo Moretti, Jay W. Pscheidt, Nik Wiman, Christopher Adams, Andony Melathopoulos, Cody Copp | Jan 2023 | Extension Catalog publication Peer reviewed (Orange level)

Episode 28: Christmas Trees

In this episode, Jacob Putney and Chal Landgren discuss the history and science behind growing Christmas trees in Oregon. Landgren is the former OSU Extension Christmas Tree Specialist.

Jacob Putney, Chal Landgren | Dec 2022 | Podcast episode

Integrated Pest Management of Nonbiting Flies in Schools

This publication identifies beneficial and problematic flies found in school kitchens in the Pacific North West. It includes suggestions on how to prevent and control a fly infestation.

Dawn Heather Gouge, Tim Stock | Dec 2022 | Extension Catalog publication Peer reviewed (Orange level)

New Extension website helps solve pest and disease problems

Solve Pest and Weed Problems focuses specifically on the Pacific Northwest and prioritizes low-risk approaches.

Kym Pokorny | Nov 11, 2022 | News story

Mysterious insects attacking my oak trees?

Q: I live in Beaverton, Oregon. All of the oak leaves seem to be turning brown and falling early this year. The backs of all the leaves falling have little black spots all over them and I see thousands of small bug ...