All posts by Larry Steckel, Extension Weed Specialist

Selecting the Right Nozzle

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Nozzle selection is not always the foremost thought when preparing to make a weed control application. However, it can have a significant impact on the effectiveness of the herbicide.  This is especially true with contact herbicides like fomesafen or glufosinate.  Choosing the correct nozzle can be the difference between having a weedy mess or an effective application. Continue reading


Maximizing Efficacy from POST Herbicides for Palmer amaranth

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With the weather finally looking like it will give us a break, many people are gearing up to spray.  Most folks are aware of the effect that time of day of application can have on glufosinate (Liberty, Cheetah, etc…) and how to maximize the effects of this herbicide. In a recent test we found that application time of day can also affect many of the PPO herbicides (Flexstar, Prefix, Ultra Blazer, Cobra, etc…) that are commonly utilized for controlling Palmer amaranth. Continue reading


Fomesafen Carryover

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As expected carryover injury from fomesafen (Flexstar, Prefix, Reflex, Intimidator, Marvel, Dawn, Rhythm, etc.) is starting to show in some fields.  The reason it is showing now is due to all the rain allowing any herbicide carryover to more completely get into the soil solution. Continue reading


Palmer Amaranth Management in Soybean Over the Next Two Weeks

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The large rain event over the weekend really was needed and from a weed control perspective greatly helped activate PRE applied herbicides.  Unfortunately, the long dry spell before that allowed a lot of weed escapes in some fields and managing them has become a concern.  Continue reading