Dicamba

Soybean research field

Field Case Study of Dicamba-Injured Soybeans using Forensic Analysis August 8, 2018

A field of dicamba-injured soybeans is used as an example to demonstrate the forensic analysis method to determine when dicamba exposure occurred.

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Comparison of node accrual between dicamba-injured soybean and non-injured soybean.

Dicamba’s Effect on Soybean Node Numbers August 8, 2018

Do soybean continue to produce a new node every 3.7 days despite being injured by off-target dicamba exposure? That was the question examined in this on-farm study.

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Dicamba injury in soybean
Dicamba injury in soybean

Soybean Production and Dicamba Use Survey August 3, 2018

Growers, crop consultants, and other stakeholders are invited to take an online survey on new soybean production and weed management systems.

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Growers, Agribusiness Invited to Share Herbicide Concerns with EPA July 25, 2018

The session offers an opportunity for EPA to hear from the ag industry regarding concerns about herbicides, particularly dicamba and atrazine.

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Chart showing rate of soybean node accrual

Are Your Soybean Plants Exhibiting Dicamba-Induced Leaf Injury? July 19, 2018

Learn how to examine plant development and use this forensic strategy to determine the approximate calendar date when the plants in your field were likely exposed to dicamba.

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Soybean leaf cupping

Understanding Growth Regulator Herbicide Injury July 19, 2018

There are now five structurally different growth regulator herbicides, each of which affects plant growth differently. Understanding the differences can help you better identify the cause when you find damage in your field.

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Dicamba injury to soybean
Figure 1. Suspected off-target dicamba injury to soybean. (Photo by Amit Jhala)

Dicamba Off-Target Injury Reports in Nebraska June 29, 2018

Suspected off-target dicamba injury has been reported in several Nebraska counties.

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Spraying a field
Figure 1. Thoroughly cleaning a sprayer after pesticide application is necessary to avoid potential off-target contamination. Just one drop of dicamba can cause visible injury to three acres of crops.

Think Your Sprayer's Clean? Think Again June 6, 2018

A 120-foot sprayer can have as many as 96 nozzles and screens and stow away as much as 15 gallons of pesticide residue in its nooks and crannies after an application is done. Consider these tips for thoroughly cleaning your sprayer to avoid off-target contamination.

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