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Glyphosate Lowers pH of Dicamba Spray Mixtures, Says Study

A University of Tennessee Institute of Agriculture study published in the Journal of Weed Technology found that mixing glyphosate with formulations of dicamba consistently...

Iowa: Weed Management – What Is a Realistic Goal?

The current approach to weed management in Iowa is at risk due to rapid expansion of herbicide-resistant weeds. In order to preserve the efficacy...

Illinois: Dicamba Injury – Complaints Skyrocket – Answers?

Approximately two weeks ago, only a few (11 reported as of July 16) dicamba-related complaints had been filed with the Illinois Department of Agriculture...

Iowa: Palmer Pigweed – Time to Scout

Now is a great time to scout for Palmer amaranth (Amaranthus palmeri) in Iowa crop fields. As of late 2018, this species had been...

Tennessee: Xtend Weed Management in 2019 – We Have a Problem

A year ago this month I posted a blog that was titled “Dicamba in Tennessee: Year 3”.  At that time the Tennessee Department of...

Georgia Corn: Don’t Stop Managing Weeds After Harvest

Georgia corn farmers are preparing for harvest, but they can’t take a break once they ship their crops to market. That time should be...

Missouri: Kill Weed Seeds Before They Become Weeds – Study

Kill seeds before they become hard-to-kill weeds. That plan will be studied by Kevin Bradley with help from Missouri farmers. The University of Missouri Extension...

Ohio: Palmer Amaranth, Waterhemp – 5 Late Season Scouting Tips

If you don’t already have to deal with waterhemp or Palmer amaranth, you don’t want it.  Ask anyone who does.  Neither one of these...

Pennsylvania: Herbicides – Post Applications, Harvest Interval Considerations

As the growing season progresses, crops are growing rapidly. As a reminder, many herbicides have application restrictions related to the crop stage of growth,...

Tennessee: Junglerice Control – How Effective Is Mixing Dicamba with Glyphosate, Clethodim?

The call of the spring and now well into the summer is on failed attempts to control junglerice and goosegrass in Xtend crops. The...

Indiana: Weed Control Issues On Prevented Planting Fields

We have been getting lots of inquiries lately about fields that didn’t get planted to a corn or soybean crop, and have lots of...

Pigweed and Waterhemp: Is Genetic Weed Control Possible?

Waterhemp and Palmer amaranth, two aggressive weeds that threaten the food supply in North America, are increasingly hard to kill with commercially available herbicides....

Iowa Cover Crops: 3 Possible Seeding Methods

As July comes to a close, it is time to make plans to seed fall cover crops. Cover crop species, seeding method, seeding rate,...

Dicamba Injury: Soybeans Entering Reproductive Stage Most Vulnerable – DTN

University of Missouri (Mizzou) research has shown that soybeans entering the reproductive phase are most vulnerable to injury from dicamba. That reproductive time is now...

Kansas Wheat: Farmers Contending with Weeds Left After Harvest

As the Kansas wheat harvest winds down, farmers likely are turning their attention to another bit of business in those same fields. “With all the...

Georgia: 5 Weed Considerations for Corn, Peanuts

A few things to consider based upon what I am seeing and hearing in the field: 1. Field corn harvest is just about to start...

Michigan: Marestail Control Options in Fallow Prevent Plant Fields

The challenging conditions this spring have left many fields unplanted. Glyphosate- and multiple-resistant horseweed (marestail) dominates a majority of these fields. Horseweed and other...

Weed Sprayer – Clean Equipment Before, After Each Use

What a spring — cool temperatures, rain, inaccessible fields, rain, equipment breakdowns, flooding, delayed plantings, and more rain. For most of you the crop...

Illinois Corn, Soybeans: Late-Season Herbicide Applications

Nearly all herbicide labels (soil-applied or postemergence) have rotational crop intervals that specify the amount of time that must elapse between herbicide application and...

Tennessee: Dicamba – Control Options for Prickly Sida Escapes

There have been a good number of calls reporting poor prickly sida (teaweed) control with Engenia or XtendiMax tankmixed with Roundup PM.  I have...