Minnesota Pesticide Applicator Practice Test

Phytotoxicity specifically refers to the toxicity of a pesticide that causes harm to plant tissue. This can manifest in various forms such as leaf burn, stunted growth, or even death of the plant. Understanding phytotoxicity is essential for applicators when selecting and applying pesticides, as it helps prevent damage to non-target plants while achieving effective pest control. It highlights the importance of following label instructions and considering environmental conditions to avoid unintentional harm to crops or ornamental plants. The other options do not align with this definition: beneficial effects relate to positive outcomes not harmful ones, resistance refers to plants' ability to withstand pesticides, and safety measures pertain to the handling processes rather than the effects on plants.