Which of the following is NOT a type of pesticide that can be regulated by FIFRA?

The correct answer is that fertilizers are not a type of pesticide that can be regulated by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). FIFRA specifically addresses substances that are intended for the management and control of pests, including insects, weeds, and fungi.

Insecticides, herbicides, and fungicides are all designed to kill or mitigate specific types of pests—whether they are insects, plants, or fungi, respectively. Each of these categories is governed by regulations to ensure their safe use and to evaluate potential environmental and health impacts.

Fertilizers, on the other hand, are substances that provide essential nutrients to plants to promote healthy growth but do not have the primary purpose of controlling pests. As such, they fall under different regulatory frameworks and are not subject to the same controls as pesticides under FIFRA. This distinction is important for anyone involved in pest control or agricultural practices, as it informs what products require specific regulatory compliance.