Illinois Pesticide Applicator Practice Test

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Prepare for the Illinois Pesticide Applicator Test. Use flashcards and multiple-choice questions to hone your skills. Each question comes with hints and explanations to help you understand comprehensively. Ensure success with our study resources!

Practice this question and more.

When does the potential for spray drift increase significantly?

When humidity is low
When wind velocity is greater than 10 miles per hour
When temperatures are high
When applying during evening hours

The correct answer is: When wind velocity is greater than 10 miles per hour

The potential for spray drift increases significantly when wind velocity is greater than 10 miles per hour because wind can carry pesticide particles away from the intended target area. When wind speed exceeds this threshold, it becomes more challenging to control the direction and distribution of the spray, leading to unintended applications on non-target areas. This not only reduces the effectiveness of the pesticide but can also pose risks to nearby crops, wildlife, and the environment. Therefore, it is crucial for applicators to monitor wind conditions and avoid spraying during high wind events to minimize the risk of drift.