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Please Don’t Catch the Drift University of Wisconsin Pesticide Applicator Training Program

Spotty pest control Why Talk About Drift? Drift 2014

Spotty pest control Wasted chemicals Why Talk About Drift? Drift 2014

Spotty pest control Wasted chemicals Off-target damage Why Talk About Drift? Drift 2014

Spotty pest control Wasted chemicals Off-target damage Litigious Society Why Talk About Drift? Drift 2014

Spotty pest control Wasted chemicals Off-target damage Litigious Society Result-higher costs-$$$ Why Talk About Drift? Drift 2014 Harley Davidson

Spotty pest control Wasted chemicals Off-target damage Litigious Society Result-higher costs-$$$ Environmental impact Why Talk About Drift? Drift 2014

Spotty pest control Wasted chemicals Off-target damage Litigious Society Result-higher costs-$$$ Environmental impact More populated areas Why Talk About Drift? Drift 2014

Everyone Wants the Good Life! Drift 2014

Spotty pest control Wasted chemicals Off-target damage Litigious Society Result-higher costs-$$$ Environmental impact More populated areas? Public more aware of pesticide concerns! (Negative) Why Talk About Drift? Drift 2014

Issues with herbicide resistance Dicamba soybean DHT soybean New Technology on its Way Drift 2014

Wisconsin’s Record Drift 2014

“One out of 10 applicators will have to deal with a drift complaint.” (Fred Whitford, Purdue Pesticide Program) Will Drift Affect You? Drift 2014

Movement of spray particles and vapors off-target causing less effective control and possible injury to susceptible vegetation, wildlife, and people. Adapted from National Coalition on Drift Minimization 1997 as adopted from the AAPCO Pesticide Drift Enforcement Policy - March 1991 Definition of Drift Drift 2014

DATCP Investigates all reports and Prohibits “significant” drift “Significant” drift has a identifiable impact and that evidence supports drift. Drift 2014

Particle Drift - movement of spray particles during or after the spray application Vapor Drift - associated with volatilization (gas, fumes) Types of Drift Drift 2014

Particle Drift – More distinguishable, crosses rows, more severe near source. Vapor Drift – tends to follow low parts of the field, less distinguishable, sometimes no pattern at all. Patterns of Drift Drift 2014

Think about the area surrounding each field. Preventing Problems Drift 2014 Grapes!

Think about the area surrounding each field. Follow Label restrictions. Preventing Problems Drift 2014

Think about the area surrounding each field. Follow Label restrictions. Calibrate spray equipment. Preventing Problems Drift 2014

Think about the area surrounding each field. Follow Label restrictions. Calibrate spray equipment. Be Considerate of neighbors. Preventing Problems Drift 2014

Think about the area surrounding each field. Follow Label restrictions. Calibrate spray equipment. Be Considerate of neighbors. Respond courteously to complaints. Preventing Problems Drift 2014

New Condition Sweeping the Nation A new condition is sweeping the nation, “Caller I.D. itis. This condition was first identified by the United States Center for Telephone Conduct. It is believed to be infecting millions... Drift 2014

Spray Characteristics – Chemical – Formulation – Droplet Size – Evaporation Factors Affecting Drift Drift 2014

Spray Characteristics – Chemical – Formulation – Droplet Size – Evaporation Will affect volatility: Ester VS Amine Factors Affecting Drift Drift 2014

Spray Characteristics – Chemical – Formulation – Droplet Size – Evaporation Drop Micron Distance (feet) 10 mph20 mph At a 3 ft boom height. Factors Affecting Drift Drift 2014

Spray Characteristics – Chemical – Formulation – Droplet Size – Evaporation Factors Affecting Drift Drift 2014

Nozzle Characteristics – Nozzle Type – Nozzle Size – Nozzle Pressure – Nozzle Height Factors Affecting Drift Drift 2014

Nozzles designed to reduce drift Improved drop size control Emphasis on ‘Spray Quality’ Factors Affecting Drift Drift 2014

XR 20, 40, & 80 psi Turbodrop 20, 40, & 80 psi Drift 2014

The relation between height above the canopy of a crop like cotton or soybean and the speed of wind mph 10 mph 8 mph 7 mph 5 mph Height Above Crop Canopy, Feet Wind Speed Factors Affecting Drift Drift 2014

Weather Characteristics – Wind direction/velocity – Temperature and humidity – Air stability/inversions – Topography Factors Affecting Drift Drift 2014

Try not to fall into the trap of declaring “I need to spray RIGHT NOW!”. Forcing an application under poor conditions almost always leads to drift or other errors. Factors Affecting Drift Drift 2014

Probably not the best time to spray Drift 2014

DriftWatch™ is a tool for identifying specialty crop sites and to further enhance communications between producers of specialty crops and pesticide applicators that promote awareness and stewardship activities to help prevent and manage drift effects that sometimes occur from spray operations.

Minimizing spray drift is in the best interests of everyone. Do your part to keep pesticide applications on target. Drift 2014

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