1. Topics
  2. Pests, Weeds, and Diseases

Weeds

Photo Credit: Jamie Street - Unsplash.com (Cropped from original)

Browse resources

Displaying 1 - 10 of 153 resources

Solve Pest Problems

Learn research-based, safe, and effective tactics for common garden and property pests and weeds. We provide non-chemical methods alongside the most effective and least toxic chemical options available, to reduce risk to people and the environment. Solve Pest Problems is a partnership between OSU and Oregon stakeholders to provide a user-friendly online resource to help urban and rural property managers to solve pest problems.

Weston Miller | Oct 2022 | Online resource Peer reviewed (Gray level)

How to manage Tansy Ragwort?

Q: We have wheat planted and along our fence line we have an infestation of tansy ragwort. Is it a good time to cut the flowers off, bag them, and leave the plant; or should I spray it? The neighbor across the road has...

A: View answer | View all featured questions

How can I support the endangered Monarch butterfly?

Q: I recently read in the news that the Monarch Butterfly was added to the endangered species list. What can I plant in my garden to help the butterfly? I read that milkweed plants are their natural habitat. Yesterday I ...

A: View answer | View all featured questions

Foxtail control in pastures and hayground

Foxtail is a problematic grass in pastures and hayground, and infestations need immediate attention. Small infestations of foxtail should be spot treated, while larger infestations require whole pasture renovation. This informational ...

Shelby Filley | Jul 2022 | Article Peer reviewed (Gray level)

Weed management for small farms on the Oregon Coast

For farmers and livestock producers on the Oregon Coast, there are many resources available to battle weeds common to the area. Those resources can help identify weeds and offer strategies for controlling them.

Evie Smith | Jun 2022 | Article Peer reviewed (Gray level)

How to use herbicides to safely control weeds on farms

Herbicides can be a useful part of an integrated weed management program for farms. But selecting and applying the appropriate herbicides can be challenging. Here are the key things to consider.

Evie Smith | Jun 2022 | Article Peer reviewed (Gray level)

Manage weeds on your farm: A guide to ecological strategies

This extensive resource provides you with in-depth information about agricultural weeds and the best ways of managing them. It includes a general discussion of weed biology, plus a reference section that describes the identification, ecology and management of 63 most common and difficult-to-control weed species in crop and forage production systems. The ecological approach to weed management seeks to first understand the biology and behavior of problem weeds and then develop an integrated set of control strategies. Viewable as a webpage or in print, produced by Sustainable Agriculture Research and Education (SARE) Outreach.

Charles L. Mohler, John R. Teasdale, and Antonio DiTommaso | May 2022 | Online resource

Farm managers gain knowledge in OSU Extension’s virtual Coffee Hours

The Coffee Hour conversations attracted 37-61 people each week, including farmers who manage over 34,500 acres and agronomists who make crop management recommendations on over 209,000 acres.

Christy Tanner | May 2022 | Impact story

How can I organically get rid of Italian Arum?

Q: I have been manually trying to dig this plant up in my yard and it keeps coming back. Does it respond to salt/vinegar treatment or burning? It seems to put out a lot of bulbs and tubers and is in several parts of my yard. I don't like using chemicals in my yard, so that isn't an option.

A: View answer | View all featured questions

OSU research results in glysophate alternatives for wheat farmers

An Oregon State University-led research team responded to the problem of glyphosate-resistant Russian thistle – a weed that infests nearly 5 million acres in the Pacific Northwest, and through four years of fieldwork, developed ...

Larry Lutcher, Judit Barroso | Apr 2022 | Impact story