As an academic writer from Nursing Dissertation Service, It is used in plant protection but answer needs to be in more detail and should clear all the confusion one can have considering this topic. Pesticides are what used in for plant protection by controlling pests including Herbicide, Insecticides and Nematicide etc.
It is actually substance or kind of mixture to kill pest and reduce the damages are done to the crops due to insects or some unwanted plants (Weeds, Fungi and viruses etc). Pesticide is Chemical/Biological agent such as a Bacterium and Fungus which is helpful in deterring and incapacitating pests but it on the other hands some disadvantages with some potential toxicity to humans and other species
amyhalston Answered question