Category: Timely Topics – Weed Management

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New Herbicide Mechanism of Action Tool for Pulse Crop Growers Available

Herbicide-resistant weeds are a growing concern in the Pacific Northwest, the US, and globally. One of the key tactics in the fight against herbicide-resistant weeds is…

Palmer Amaranth Contamination of Pollinator Seed Mixes

Some native seed mixes planted to foster habitats for honeybees and other pollinators have been found to be contaminated with Palmer amaranth – a weed…

Proper Sprayer Cleanout Can Prevent Crop Injury

We have received a number of phone calls recently concerning crop damage in peas treated with herbicides containing the active ingredient clethodim. Clethodim is an…

New Publication Available on Mayweed Chamomile, a.k.a., Dog Fennell

Consider yourself very lucky if you have not had to deal with mayweed chamomile, a.k.a., dog fennel, in your wheat or pulse crops! Mayweed chamomile…

Proposed Rule Changes for Restricted Use Herbicides

The Washington State Department of Agriculture is considering rule changes affecting the use of restricted use herbicides. The possible rule changes were agreed upon by…

The 2016 WSU Weed Control Report Has Arrived!

The 2016 WSU Weed Control Report is now available on the Wheat and Small Grains website. The annual report summarizes the results from field studies…

Jointed Goatgrass Biotype Resistant to Beyond Discovered in Eastern Washington

The first case of jointed goatgrass resistant to imazamox, the active ingredient in Beyond herbicide, has been confirmed in Eastern Washington. A team of Washington…

Web-Enabled AMS Sprayer Mix Calculator Now Available

Earlier this year we introduced a handy calculator that uses data from a standard water quality test to determine the amount of AMS to add to…

Winter Wheat Herbicide Efficacy Tables Helps Growers Narrow Herbicide Options

Weeds are the bane of many farm operations, and consequently, farmers spend more money on herbicides than any other production input other than fertilizer. However,…

Recent Rains Will Bring on Winter Annual Grass Weeds

Recent rains are likely to result in the germination and emergence of winter annual grass weeds such as downy brome, jointed goatgrass, and feral rye…
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Washington State University