Georgia Pesticide Applicators Practice Exam 2025 – Complete Preparation Guide

Question: 1 / 400

What is the difference between contact and systemic pesticides?

Contact pesticides kill pests on contact only

Contact pesticides are designed to kill pests directly upon contact. They work by affecting the pest's nervous system or physical structure immediately when they come into contact with the treated surface. This means that their effectiveness is largely dependent on thorough application and the actual exposure of the pest to the chemical.

In contrast, systemic pesticides are absorbed by plants and transported throughout their tissues, affecting pests that feed on the plants or come into contact with them indirectly. They can provide a longer-lasting effect against pests since they remain within the plant and continue to work as the plant grows.

Understanding the mechanisms of contact and systemic pesticides is essential for effective pest management, as it influences application methods and expectations of pest control.

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Systemic pesticides are meant for soil treatments

Contact pesticides can be absorbed by plants

Systemic pesticides only affect airborne pests

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