Pesticide Applicator Practice Test – Pass the Wisconsin Exam in 2025

Question: 1 / 400

What does the term "residual activity" refer to in pesticide use?

The cost-effectiveness of a pesticide

The duration a pesticide remains effective

The term "residual activity" in pesticide use specifically refers to the duration that a pesticide remains effective after it has been applied. This concept is crucial for pest management because it indicates how long the pesticide will continue to control pests in the environment before it degrades or loses effectiveness. Understanding residual activity helps applicators time their treatments effectively and manage pest pressure over a longer period, ensuring adequate protection for crops or areas being treated. This is important for both efficacy and safety, as it can influence re-entry intervals and the need for additional applications.

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The rate of application of the pesticide

The quantity of pesticide available

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