Herbicides (US: / ˈɜːrbɪsaɪdz /, UK: / ˈhɜːr -/), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds. [1] .

Nov 26, 2025 · An herbicide is an agent, usually chemical, for killing or inhibiting the growth of unwanted plants, such as weeds, invasive species, or agricultural pests. A great advantage of chemical …

Feb 7, 2025 · Herbicides can act by inhibiting cell division, photosynthesis or amino acid production or by mimicking natural plant growth hormones, causing deformities (Ross and Childs 1996). …

5 days ago · Define herbicides and pesticides, explore their chemical functions, primary applications, and regulatory oversight for safe handling.

Aug 28, 2025 · Herbicide can kill invasive plants and weeds, but there are risks, too. Learn what herbicides are and when you should and shouldn't use them.

An herbicide is appropriate any time that you have pest plants or weeds that are competing with desired plants or crops for space, water, light, and nutrients. They are often used in lawn and garden care to …

Preemergence herbicides are applied before weeds germinate, and prevent the germinating seeds from establishing. Once emerged, many weeds may be control using Postemergence herbicides. …

Dec 7, 2021 · Knowing how herbicides work and how to use them safely is important for both agricultural producers and home gardeners. This publication describes the symptoms of each category of …

Definition: Target specific types of weeds while leaving desirable plants relatively unharmed. Broadleaf Selective Herbicides: Control broadleaf weeds in grass lawns (e.g., 2,4-D, dicamba). Grassy Weed …

Dec 4, 2024 · Learn how to choose the right herbicide for effective weed control. Explore types, applications, and tips to protect crops and ensure sustainable farming.