
Pesticide - Wikipedia
In general, a pesticide is a chemical or biological agent (such as a virus, bacterium, or fungus) that deters, incapacitates, kills, or otherwise discourages pests.
Pesticides | US EPA - U.S. Environmental Protection Agency
2025年3月11日 · This website provides easy access to all the pesticide-related information that is contained in various pesticide topical sites. It also includes news and meeting information, an …
Pesticides | National Institute of Environmental Health Sciences
2024年6月4日 · Pesticides kill, repel, or control forms of animal and plant life considered to damage or be a nuisance in agriculture and domestic life. Used broadly, the term includes …
Pesticide | Definition & Types | Britannica
2025年2月14日 · pesticide, any toxic substance used to kill animals, fungi, or plants that cause economic damage to crop or ornamental plants or are hazardous to the health of domestic …
Chemical safety: Pesticides - World Health Organization (WHO)
2020年10月26日 · Pesticides are chemical compounds that are used to kill pests, including insects, rodents, fungi and unwanted plants (weeds). Over 1000 different pesticides are used …
Pesticides - Definition, Types, Uses, and Harmful Effects
What are Pesticides? Pesticides are chemical substances that are meant to kill pests. In general, a pesticide is a chemical or a biological agent such as a virus, bacterium, antimicrobial, or …
What is a Pesticide? | US EPA - U.S. Environmental Protection ...
2025年2月13日 · Learn about the definition of pesticide, which in broad terms is a product that claims to kill, prevent, reduce, destroy or repel a pest.