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Weed Management for Farms on the Oregon Coast

This article offers resources and recommendations for identifying and controlling weeds common to farms on the Oregon Coast.

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.

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

2022 PNW Weed Management Handbook

This comprehensive guide to weed management in the Pacific Northwest covers biological weed control agents; pesticide safety and disposal; agrichemicals and their properties; and control of problem weeds. Sections include subjects such ...

Ed Peachey | Apr 2022 | OSU Extension Catalog Peer reviewed (Orange level)

Integrated Management of Wild Oat in the Pacific Northwest

In the Pacific Northwest (PNW), wild oat has become a notable weed pest of small grain and rotational crops, including pulse crops, potato, sugar beet, and oilseed crops. It has infested more than 3 million acres of cropland...

Dec 2021 | OSU Extension Catalog Peer reviewed (Orange level)

Tracking weeds is first step in controlling them

When winter approaches, it’s time to check your weed control plans. Noxious weeds are best controlled if you track them carefully. Weed mapping and weed calendaring are two activities important to tracking weeds so that you can properly control them. Here are a few tips to get you started.

Shelby Filley | Nov 2021 | Article

As Russian thistle becomes resistant to glyphosate, OSU Extension weed scientist finds alternatives for wheat farmers

Russian thistle thrives in the dry climate of eastern Oregon and Washington and if left unchecked develops an extensive root system that competes with wheat for water and nutrients.

Kym Pokorny | Nov 2, 2021 | News story

OSU Extension Service

Weeds