Dicamba: Herbicide Injury Complaints Again on the Rise – DTN Jul 22, 2021

🕔Jul 22, 2021
Tempers are running hot this year, as dicamba injury surfaces for a fifth year and EPA seeks to evaluate the success of the 2020 dicamba labels.

New Dicamba Labels Mandate Adding Volatility Reducing Agent Dec 16, 2020

🕔Dec 16, 2020
As most know the EPA approved a new five-year registration for Engenia, Tavium and XtendiMax to be used in Xtend cotton and soybean. The new registration has some new labeled […]

Dicamba: Recent Research on Volatization and Off-Target Injury Jul 8, 2020

🕔Jul 8, 2020
Several extension field agronomists have reported that injury is more widespread in 2020 than in the previous three years following registration of over-the-top applications of dicamba.  In response to these […]

Glyphosate Lowers pH of Dicamba Spray Mixtures, Says Study Aug 16, 2019

🕔Aug 16, 2019
A University of Tennessee Institute of Agriculture study published in the Journal of Weed Technology found that mixing glyphosate with formulations of dicamba consistently lowered the pH of the spray […]

Dicamba: High Temperatures Plus Glyphosate Increase Chances of Volatility Jun 13, 2019

🕔Jun 13, 2019
Higher temperatures and mixing glyphosate with dicamba lead to increased atmospheric concentrations of dicamba, according to scientists with the University of Tennessee Institute of Agriculture. Tom Mueller and Larry Steckel, […]

Dicamba: Does Adding Glyphosate to Low-Volatile Formulations Increase Volatility? Apr 26, 2019

🕔Apr 26, 2019
Does adding glyphosate to low-volatile dicamba formulations increase its chances of moving outside the treated field via volatility?

Dicamba Volatility and pH – Podcast Dec 18, 2018

🕔Dec 18, 2018
There’s new language in the 2019 dicamba label covering the impact of low pH on dicamba volatility. In this podcast, Dr. Larry Steckel explains what the label says, what brand […]

Dicamba Restrictions Are Needed, but CBD Report Is Flawed – Commentary Mar 5, 2018

🕔Mar 5, 2018
The Center for Biological Diversity recently released a report describing the threat to monarch butterflies posed by an increased use of dicamba.  While I have been fairly critical of the […]

Dicamba Herbicide: First Approved for Use in 1962 – A Historical Perspective Dec 20, 2017

🕔Dec 20, 2017
At the recent North Central Weed Science Society annual meeting I was asked to provide the opening presentation (A historical perspective on dicamba) in a symposium focusing on issues with dicamba.  Below are […]

Dicamba Volatility in 2001: Iowa State Researchers Saw the Issue 16 Years Ago Aug 18, 2017

🕔Aug 18, 2017
The following article originally appeared on the ISU Weed Science Online website.  Current research is showing that the new formulations of dicamba (Xtendimax with Vapor Grip Technology and Engenia) have not […]

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