Category: Weeders of the West

In the semi-arid region of inland Pacific Northwest (PNW), Russian thistle (Salsola tragus), kochia (Bassia scoparia), and prickly lettuce (Lactuca serriola) are three important weed…

When it comes to delaying the development of herbicide resistance in weeds, herbicide mixing and rotation are critical. In an earlier blog post titled, “Two…

With flooding rains occurring and snow falling in some areas of our region this week, it may be difficult to envision making spring postemergence herbicide…

Tiafenacil (Gamma, Helm Agro) is now labeled in wine grapes in Oregon, Washington, and Idaho.  Tiafenacil is a non-selective postemergence herbicide controlling broadleaves and grasses.…

We are going to discuss herbicide resistance in weeds yet again, but with a slight twist! Have you wondered what would be the combined effects…

As drought persists across the west, irrigation water shortages and restrictions continue to expand. Parts of Central Oregon and the Klamath Basin were particularly heavily…

Glyphosate is the most widely used post-emergence herbicide in the region for several reasons. Glyphosate is non-selective. This means it can be used to control…

After I thought long and hard about what to write about this week, I settled on the 2021 cropping season in the Treasure Valley of…

We have the technology… so let us quit spraying and praying! “Do you have herbicide resistant weeds in your fields?” This is a question I…

Vineyard floor management can be divided into two areas, the area under the vine and the area between the rows. Cover crops are often planted…

The memories of 2020 would remain with us for years to come. Most of us couldn’t wait for 2020 to come to an end. We…

The following article appeared as a Commentary in the Capitol Press earlier this year. Matthew Weaver heard a presentation I gave on herbicide resistance where…

Continuing with the precision agriculture topic (also known as digital agriculture) that my colleagues have mentioned during the past few weeks, I concur that it…

Records suggest that humans and weeds have coexisted since the beginning of recorded time. As such, challenges to manage weeds have been a long-standing issue…

What does weed control for agriculture look like in the not-so-distant future? Some are making big bets it will look much more automated. While many…

Spring is a critical time to control newly emerging annual broadleaf weeds in a variety of crops. As temperatures increase, so too does the risk…

Herbicide Resistance has also been a problem in tree nut crops for quite some time. In hazelnuts in Oregon, the most problematic herbicide-resistant weed is…

In the Grapes of Wrath, John Steinbeck wrote, “Two are better than one, because they have a good reward for their labor. For if they…

Last fall, I gave a presentation on herbicide resistance management at an Idaho Barley Commission meeting. During the discussion, the issue of herbicide rate came…

Species in the Lolium genus, particularly annual and perennial ryegrass, are important seed crops in Oregon that are marketed in other parts of the country…