Phenoxy herbicide
Phenoxy Herbicide
Phenoxy herbicides (/fɪˈnɒksi hɜːrˈbaɪsaɪd/) are a type of herbicide that are used to control broadleaf weeds. They are known for their selective nature, meaning they only affect certain types of plants.
Etymology
The term "phenoxy" is derived from the chemical structure of these herbicides, which contain a phenol group bonded to an oxygen atom (a phenoxy group). The term "herbicide" comes from the Latin herba meaning "grass" or "plant" and -cide from Latin caedere meaning "to kill".
Types of Phenoxy Herbicides
There are several types of phenoxy herbicides, including:
- 2,4-D - One of the most common phenoxy herbicides, used in many agricultural and residential settings.
- Mecoprop - Often used in combination with other herbicides for lawn care.
- Dicamba - Another commonly used phenoxy herbicide, known for its ability to control perennial weeds.
Usage
Phenoxy herbicides are used in a variety of settings, including agriculture, forestry, and residential lawn care. They are typically applied as a spray and can be used both pre- and post-emergence to control a wide range of broadleaf weeds.
Health and Environmental Concerns
There are some concerns about the health and environmental impacts of phenoxy herbicides. Some studies have suggested a possible link between exposure to these chemicals and certain types of cancer, although the evidence is not conclusive. There are also concerns about the potential for these herbicides to contaminate water supplies and harm non-target plants and animals.
Related Terms
External links
- Medical encyclopedia article on Phenoxy herbicide
- Wikipedia's article - Phenoxy herbicide
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