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Weeders of the West

Aggressor (quizalofop) Herbicide Application Timing

You may have heard about the importance of the timely application of herbicides, or maybe even experienced it yourself. With the new CoAXium wheat varieties resistant to Aggressor (quizalofop), the question about when Aggressor should...

The Reemergence of Preemergence Herbicides

Since the introduction of Roundup Ready crops in the mid- to late-1990s, postemergence herbicides have played an increasing role in weed control for many crops including corn, soybean, cotton, and wheat. The introduction of Maverick...

Developing New Herbicides to Manage Kochia in Hop Yards

Kochia (Bassia scoparia) is a severe weed problem in hop yards in eastern Washington and Idaho. This annual weed is an erect, herbaceous bush-type plant reaching over 6 ft in height if unmanaged. Its deep...
Palmer amaranth.

Watch out for Palmer amaranth in the Pacific Northwest

As I write this article, the 2022 cropping season is in full swing in the Treasure Valley of southwestern Idaho and eastern Oregon. Onions have already been seeded and emerged in some fields! Other crops...

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