Tebuthiuron: Difference between revisions

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'''Tebuthiuron''' is a broad-spectrum [[herbicide]] primarily used for the control of woody and herbaceous [[weeds]]. It is a systemic herbicide, meaning it is absorbed by the plant and transported throughout the plant's system, leading to the death of the entire plant.
== Tebuthiuron ==


==Chemical Properties==
[[File:Tebuthiuron.svg|thumb|right|Chemical structure of Tebuthiuron]]
Tebuthiuron is a white, crystalline solid with a slight amine odor. It is soluble in water and most organic solvents. The chemical formula for tebuthiuron is C9H16N4OS. It belongs to the chemical class of [[urea]] herbicides.


==Mode of Action==
'''Tebuthiuron''' is a [[herbicide]] used primarily for the control of [[woody plants]] and [[broadleaf weeds]]. It is a non-selective, soil-applied herbicide that is absorbed by the roots and translocated throughout the plant, leading to its death. Tebuthiuron is commonly used in [[rangeland management]], [[forestry]], and [[industrial sites]] to manage unwanted vegetation.
Tebuthiuron works by inhibiting [[photosynthesis]], the process by which plants convert sunlight into energy. It does this by blocking the electron transport chain in photosystem II, preventing the plant from producing ATP, the energy currency of the cell. This leads to the death of the plant.


==Uses==
== Chemical Properties ==
Tebuthiuron is used in a variety of settings, including rangeland, non-crop areas, industrial sites, and rights-of-way. It is particularly effective against woody plants and brush, and is often used for the control of invasive species.


==Environmental Impact==
Tebuthiuron is a member of the [[urea]] herbicide family. Its chemical formula is C<sub>9</sub>H<sub>16</sub>N<sub>4</sub>OS, and it is known for its high solubility in water, which allows it to be effective in various soil types. The compound is stable under normal environmental conditions and has a relatively long half-life in soil, which contributes to its persistent activity against target plants.
Tebuthiuron is highly persistent in the environment and can remain active in the soil for several years. It has a high potential for [[leaching]] and can contaminate groundwater. It is also toxic to non-target plants and can cause damage to nearby vegetation if not applied correctly.


==Health Effects==
== Mode of Action ==
Exposure to tebuthiuron can cause irritation to the eyes, skin, and respiratory tract. Long-term exposure can lead to more serious health effects, including damage to the liver and kidneys.


==Regulation==
Tebuthiuron works by inhibiting photosynthesis in susceptible plants. It interferes with the electron transport chain in the chloroplasts, leading to a disruption in the production of [[ATP]] and [[NADPH]], which are essential for the [[Calvin cycle]]. This disruption ultimately results in the death of the plant due to the inability to synthesize necessary carbohydrates.
In the United States, tebuthiuron is regulated by the [[Environmental Protection Agency]] (EPA). It is classified as a Restricted Use Pesticide (RUP), meaning it can only be used by certified applicators.
 
== Applications ==
 
Tebuthiuron is applied to the soil surface, where it is absorbed by the roots of plants. It is effective against a wide range of plant species, including [[brush]], [[shrubs]], and [[grasses]]. Due to its non-selective nature, it is important to apply Tebuthiuron carefully to avoid damage to desirable vegetation. It is often used in areas where long-term vegetation control is desired, such as [[utility rights-of-way]], [[railroad tracks]], and [[pipeline corridors]].
 
== Environmental Impact ==
 
The use of Tebuthiuron can have significant environmental impacts due to its persistence in the soil and potential to leach into groundwater. It is important to follow recommended application rates and guidelines to minimize the risk of contamination. The herbicide can also affect non-target plant species, which may lead to changes in [[biodiversity]] and [[ecosystem]] dynamics.
 
== Safety and Handling ==
 
When handling Tebuthiuron, it is important to use appropriate [[personal protective equipment]] (PPE) to prevent skin and eye contact. Users should follow all safety instructions provided on the product label and adhere to local regulations regarding herbicide application. Proper storage and disposal of Tebuthiuron are essential to prevent accidental exposure and environmental contamination.
 
== Related Pages ==


==See Also==
* [[Herbicide]]
* [[Herbicide]]
* [[Urea]]
* [[Photosynthesis]]
* [[Photosynthesis]]
* [[Environmental Protection Agency]]
* [[Rangeland management]]
 
* [[Environmental impact of pesticides]]
==References==
<references />


[[Category:Herbicides]]
[[Category:Herbicides]]
[[Category:Chemical Compounds]]
[[Category:Environmental Science]]
[[Category:Toxicology]]
[[Category:Medicine]]
{{chemistry-stub}}
{{medicine-stub}}

Latest revision as of 03:34, 13 February 2025

Tebuthiuron[edit]

Chemical structure of Tebuthiuron

Tebuthiuron is a herbicide used primarily for the control of woody plants and broadleaf weeds. It is a non-selective, soil-applied herbicide that is absorbed by the roots and translocated throughout the plant, leading to its death. Tebuthiuron is commonly used in rangeland management, forestry, and industrial sites to manage unwanted vegetation.

Chemical Properties[edit]

Tebuthiuron is a member of the urea herbicide family. Its chemical formula is C9H16N4OS, and it is known for its high solubility in water, which allows it to be effective in various soil types. The compound is stable under normal environmental conditions and has a relatively long half-life in soil, which contributes to its persistent activity against target plants.

Mode of Action[edit]

Tebuthiuron works by inhibiting photosynthesis in susceptible plants. It interferes with the electron transport chain in the chloroplasts, leading to a disruption in the production of ATP and NADPH, which are essential for the Calvin cycle. This disruption ultimately results in the death of the plant due to the inability to synthesize necessary carbohydrates.

Applications[edit]

Tebuthiuron is applied to the soil surface, where it is absorbed by the roots of plants. It is effective against a wide range of plant species, including brush, shrubs, and grasses. Due to its non-selective nature, it is important to apply Tebuthiuron carefully to avoid damage to desirable vegetation. It is often used in areas where long-term vegetation control is desired, such as utility rights-of-way, railroad tracks, and pipeline corridors.

Environmental Impact[edit]

The use of Tebuthiuron can have significant environmental impacts due to its persistence in the soil and potential to leach into groundwater. It is important to follow recommended application rates and guidelines to minimize the risk of contamination. The herbicide can also affect non-target plant species, which may lead to changes in biodiversity and ecosystem dynamics.

Safety and Handling[edit]

When handling Tebuthiuron, it is important to use appropriate personal protective equipment (PPE) to prevent skin and eye contact. Users should follow all safety instructions provided on the product label and adhere to local regulations regarding herbicide application. Proper storage and disposal of Tebuthiuron are essential to prevent accidental exposure and environmental contamination.

Related Pages[edit]