Illinois Turf Pesticide Practice Test

Nematicide is the term used for a pesticide that targets nematodes. Nematodes are tiny, worm-like pests that attack plant roots, including those of turf, leading to weak growth and poor water and nutrient uptake. A product labeled as a nematicide is specifically intended to suppress or kill these organisms, which is why it’s the right choice. The other terms refer to different pest groups: an insecticide fights insects, a fungicide fights fungi, and a herbicide fights unwanted plants. So the best answer is nematicide because it denotes toxicity to nematodes.