Invasive Species

Solve Pest and Weed Problems website gives gardeners solutions

Pests and diseases are the bane of the gardener’s existence. One minute there’s a healthy cucumber, the next it’s a moldy mess. Searching for reliable information can be frustrating, particularly for research-based knowledge ...

Mar 2023 | Impact Story

Insect data from OSU research helps assess habitat quality for sage-grouse

The invasive annual grassy weed cheatgrass increases the threat of wildfire in greater sage-grouse habitat that spans much of eastern Oregon. Insect populations that are the foundation of early sage-grouse chick diet may be ...

Mar 2021 | Impact Story

OSU Extension, partners inform south coast of new sudden oak death threat

Sudden oak death (SOD), caused by a non-native pathogen Phytophthora ramorum, has killed more than 1 million oak and tanoak trees in 15 coastal counties in California and thousands of tanoaks in Curry County, Oregon. The ...

May 2022 | Impact Story

Oregon IPM Center leads the way to better pest management

Pesticides are important tools for farmers around the globe—ask anyone who has contemplated a hundred acres of cabbage aphids. However, some pesticides are significantly more hazardous than others. Broad-spectrum pesticides carry risks...

Jun 2021 | Impact Story

OSU educates growers about invasive, fruit-damaging fly

Spotted-wing drosophila (SWD) is a notorious pest that feeds on ripening soft-skinned fruits such as blueberries, cherries, and peaches. Controlling it is difficult for a host of reasons, including its short generation time, wide ...

Jun 2021 | Impact Story