ON TARGET STEWARDSHIP, APPLICATION AND EDUCATION Bob Wolf, Ph.D., Application Technology Specialist, Owner, Wolf Consulting & Research

Overview of Self Application Landscape Weed management programs are continuing to become more complex. Growers have a lot at stake if their fields aren’t taken care of properly. Safe, effective herbicide applications help maximize yields, protect input investments and ultimately help protect their lifelong investment in their farm.

Efficacy vs. On Target Application Research The lead purpose for applying crop protection products, specifically herbicides, is to end up with ‘good’ weed control. Recent field research has been designed to evaluate the many nozzle choices that are designated for this purpose. The work has shown us that if used correctly, the various nozzle types can be effective for each purpose – weed control and on target application.

Weed Control – Dicamba + Glyphosate + AMS 6-inch weeds  Control of grass, crabgrass, cocklebur, and waterhemp was highly effective – no differences (not shown)  Control of tall morningglory – reduced efficacy but still no significant differences

Droplet size - %V<100 (drift) Dicamba + Glyphosate + AMS Drift Control

Applicator Education State certification courses provide application basics, and regulatory requirements help maintain proper herbicide applications, however there’s a need for grower-focused training that is more hands on and goes into greater detail. There are many decisions growers must make in order to make safe and effective applications to their fields. We need to bring the research we’ve done out to the applicator so they have a deeper understanding of the mechanics behind the application.

Applicator Education Herbicide application best practices Nozzles and spray equipment recommendations Adjuvants Herbicide application best practices Nozzles and spray equipment recommendations Adjuvants

On Target Application Academy One-of-a-kind Hands-on Application best practices Achieve effective weed control On target application Emerging product and equipment innovations

On Target Application Academy Goals  Educate on new application technologies, plant biology and advancements in new product chemistries  Advance grower knowledge of new technologies to help ensure on target application, better train employees, maximize yields, protect input investments and protect lifelong investments

 Format  Approximately two hours in length  Paired with industry and state events across the U.S.  Agenda  Field-based training with practical and rigorous focus  Utilize recognized experts and provide hands-on experience  Proper nozzle selection  Appropriate calibration and boom placement  Impact of environmental conditions off target movement  Use of effective reduction additives On Target Application Academy Training Day Format and Agenda

 Drift simulation  Role of nozzle selection  Understanding spray pattern and reducing fines Spray Table Demonstration TTI (UC) Increasing Droplet Diameter XR (M) TT (C ) TTJ (C) AITTJ (VC) AIXR (XC) AI (XC) Images courtesy of TeeJet ® TTI (UC) VMD 50 rating is based on an 04 orifice at 40 PSI

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