Iowa Corn, Soybeans: Weed Control Recommendations – Coping with Herbicide Shortages

As emphasized during the Crop Advantage Series presentations and other ISU extension meetings across Iowa in January/February, two key herbicides, glyphosate and glufosinate, are...

Arkansas Rice: Tank-Mixing Glyphosate, Clomazone for Aerial Applications

With product availability issues – notably glyphosate – there could be issues with our tank-mixes for rice.  Any herbicide being aerially applied with clomazone...

Tennessee Cotton: Strategies for Overlapping Residuals

Overlapping residual herbicides for Palmer amaranth control will be essential in 2022.  There are two main reasons for this.  First is the continued evolution...

Tennessee Corn: Vine and Grass Control Considerations

Last August and September many were disappointed in the grass and vine infestations present at corn harvest in some fields.  Often, these weed infestations...

Georgia: Preplant Burndown Update

Some responses to a few common questions this week about preplant burndowns: 1.  What is the plant-back restriction for field corn following an application of...

Iowa Dicamba Updates for 2022

On March 15, the U.S. Environmental Protection Agency (EPA) approved the label amendments that further restrict the use of over-the-top dicamba in Iowa and...

Tennessee: Burndown Wild Garlic, Grape Hyacinth, and Star-of-Bethlehem

This spring some fields seem to be infested more heavily with wild garlic, grape hyacinth and in a few cases, star-of-Bethlehem. These three weeds,...

Tennessee Soybeans: Overlapping Residual Herbicides

There will likely be more soybean acres in Tennessee in 2022 compared with last year. As such it will be more difficult to get...

Alabama Cotton: Gramoxone – A Good Substitute for Glyphosate?

Due to the high price and short supply of glyphosate, many row crop growers are interested in using Gramoxone or generic paraquat products to...

Corn, Soybeans: Weed Control Is Protecting Crop Yield Potential

Weeds are one of the most important factors that can impact crop yields and require action to effectively control each year. In times of...

Ohio Soybeans: Preemergence Mesotrione Use in “Mesotrione-Tolerant” Varieties

Put this one in the “we’re usually the last to know” category.  Following an article in the last C.O.R.N. about the Alite 27 label...

Pennsylvania: Glyphosate Necessary to Control Annual Ryegrass

Selecting the right herbicide burndown program for cover crop termination will be necessary to start clean this growing season. Key considerations include the cover...

Dicamba: EPA Amends Labels to Add Cutoffs for Iowa, Minnesota – DTN

On March 15, EPA announced that it has approved federal label amendments that further restrict the use of over-the-top dicamba herbicides in Iowa and...

Mississippi: Where Do We Stand with Burndown? – Podcast

Daniel Stephenson from the LSU AgCenter calls into the Crop Doctors’ Podcast studio in Stoneville while on a cross country drive with his family. ...

Arkansas Rice: Rogue Herbicide Recommendations

Rogue (benzobicyclon) received a federal registration for 2022 and provides a new site-of-action (HPPD-inhibitor, bleacher) for use in rice. This herbicide has some great...

Ohio: Alite 27 – Residual Herbicide for GT27 Soybeans

Alite 27 is isoxaflutole (Balance Flexx) repackaged and labeled for preemergence use in LL-GT27 soybeans, minus the safener, cyprosulfamide, which protects corn from injury. ...

Georgia: Grass Herbicides for Pre-Plant Burndown

Thinking about using a grass herbicide such as Select Max (clethodim) for pre-plant burndown? Have you seen any data suggesting this is a wise...

Tennessee: Time for Burndown – Things to Consider

It is now “burndown time in Tennessee.”  The combination of supply chain issues with the ever-increasing presence of herbicide resistant weeds has made burndown...

Kentucky: Considerations for Ryegrass, Marestail Burndown

Spring is rapidly approaching, and field work will soon begin in Kentucky with spring weed control practices taking front stage. This year our farmers...

Tennessee: Mitigating 2022 Weed Management Challenges

We have had the opportunity to visit with many retailers over the past several weeks on supply chain. What is clear is that most...