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Texas A&M Extension Weed Science

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Auxin Information & Training


2026 Auxin Training

We are updating the 2026 Auxin Training. The course covers critical regulations surrounding restricted-use dicamba products (Engenia, Tavium, and Stryax (formerly Xtendimax)) as well as 2,4-D choline formulations (Enlist Duo and Enlist One), ensuring producers stay compliant with both federal and Texas state requirements.

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2026 Auxin Specific Applicator Guide

Get ready for auxin season with this quick-reference training handout covering approved dicamba and 2,4-D products, required annual training, and who is authorized to apply them.
Use it to quickly check essential application requirements like approved nozzles, wind speed, tank mixes, buffers, cutoffs, and recordkeeping before you spray.
It also points you to official product, EPA, and Texas Department of Agriculture resources so you can stay current and always follow the latest label requirements.


Adapting to ESA Video Series by CropLife America

This video series is part of a new set of educational tools released by CropLife America (CLA), in partnership with the Agricultural Retailers Association (ARA) and the Council of Producers and Distributors of Agrotechnology (CPDA), to help farmers, agricultural retailers, and pesticide applicators better understand the Endangered Species Act (ESA).

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Mitigation Overview

This video introduces CropLife America’s four-part series on complying with the Endangered Species Act (ESA) while maintaining productive agricultural pesticide use. Moderated by Dr. Stanley Culpepper, it provides an overview of how farmers can use label requirements and online tools to minimize runoff and spray drift.


Bulletins Live! Two

Part two of the series offers a step-by-step tutorial on navigating the EPA’s Bulletins Live! Two (BLT) web application. It teaches applicators how to locate their specific fields on the map to find and print any location-based pesticide restrictions required to protect endangered habitats.


Spray Drift

The third video walks users through the EPA’s Pesticide App for Label Mitigations (PALM) to calculate, evaluate, and manage pesticide spray drift. It explains how adjusting application methods, such as utilizing specific droplet sizes and lowering boom heights, can help applicators meet mandatory downwind buffer requirements.


Runoff

The final installment demonstrates how to use the PALM tool’s point-based scorecard system to document and fulfill runoff mitigation requirements. Dr. Culpepper highlights various field practices that earn mitigation points, such as conservation tillage, using cover crops, and managing application rates.


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