University of Illinois Extension
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Pesticide Safety Education Program

Spray Drift Resources

Overview

What is Pesticide Drift?

The US EPA's View of Drift

Reducing Drift

Strategies to Reduce Drift

Equipment to Reduce Drift

Reducing Pesticide Drift: Specialty Crops and Conventional Crops As Good Neighbors

Spray Additives

Deposition (Drift Control) and Retention Agents

Deposition (Drift Control) and Retention Agents with Ammonium Sulfate

Deposition (Drift Control) and Retention Agents with Ammonium Sulfate and Defoamer

Injury Symptoms

There are several causes for some plant symptoms in addition to herbicide drift. Among them are insect damage, fungal and bacterial diseases, and environmental conditions. It is usually not legitimate to assume pesticide drift has caused a symptom based solely on the appearance of a plant. Other factors such as alternate causes of symptoms, locations of recent applications, type of herbicides used, weather conditions during and after the application, and damage patterns in neighboring areas all must be considered. Keep this in mind as you browse these sites.

Herbicide Injury Symptoms of Corn and Soybeans (Purdue Univ.)

Quick Guide to Herbicide Injury on Soybean (Univ. of Illinois)

Herbicide Mode of Action Key for Injury Symptoms (Univ. of Wisconsin)

HortAnswers - Herbicide Injury (Univ of Illinois)

Other Resources

Drift Complaints - What You Should Know

Hort Answers