Trifluralin: Difference between revisions

Revision as of 11:58, 9 February 2025

A pre-emergence herbicide used to control annual grasses and broadleaf weeds

Trifluralin is a widely used herbicide that is applied to control annual grasses and broadleaf weeds. It is primarily used in agriculture to protect crops such as cotton, soybeans, and vegetables. Trifluralin is known for its effectiveness as a pre-emergence herbicide, meaning it is applied to the soil before the weeds germinate.

Chemical properties

Trifluralin is a member of the dinitroaniline class of herbicides. Its chemical formula is C₁₃H₁₆F₃N₃O₄. It is a yellow-orange crystalline solid with a melting point of 48°C. The compound is relatively insoluble in water but soluble in organic solvents.

Mode of action

Trifluralin works by inhibiting cell division in the roots of germinating seeds. It disrupts the formation of microtubules, which are essential for cell division, thereby preventing the growth of the weed seedlings. This mode of action makes it effective against a wide range of weed species.

Usage

Trifluralin is applied to the soil surface and incorporated into the top layer of soil to ensure effective weed control. It is often used in combination with other herbicides to broaden the spectrum of weed control. The application rates and timing depend on the specific crop and weed species being targeted.

Environmental impact

Trifluralin is considered to have a low potential for leaching into groundwater due to its low solubility in water and strong adsorption to soil particles. However, it can persist in the environment and may pose risks to aquatic organisms if it enters water bodies through runoff. Proper management practices are recommended to minimize environmental impact.

Regulation and safety

Trifluralin is registered for use in many countries, but its use is subject to regulation to ensure safety for humans and the environment. Users are advised to follow label instructions and safety guidelines to minimize exposure risks.

Related pages

References

"Trifluralin." National Pesticide Information Center. Retrieved from [1]
"Trifluralin." PubChem. Retrieved from [2]

@@ Line 1: / Line 1: @@
-'''Trifluralin''' is a widely used [[herbicide]] that belongs to the dinitroaniline chemical family. It is primarily used to control [[weed]] growth in various crops, including [[cotton]], [[soybeans]], and [[sunflowers]]. Trifluralin is a selective, pre-emergence herbicide, meaning it is applied to the soil before the weeds emerge.
+{{Short description|A pre-emergence herbicide used to control annual grasses and broadleaf weeds}}
+{{Use dmy dates|date=October 2023}}
-==Chemical Properties==
+'''Trifluralin''' is a widely used [[herbicide]] that is applied to control [[annual plant|annual]] [[grass]]es and [[broadleaf weed]]s. It is primarily used in [[agriculture]] to protect crops such as [[cotton]], [[soybean]]s, and [[vegetable]]s. Trifluralin is known for its effectiveness as a pre-emergence herbicide, meaning it is applied to the soil before the weeds germinate.
-Trifluralin is a yellow-orange crystalline solid with a slight, aromatic odor. It is not soluble in water and has a low volatility. The chemical formula for trifluralin is C13H16F3N3O4.
-==Mode of Action==
+==Chemical properties==
-Trifluralin works by inhibiting the growth of weed seedlings by interfering with [[cell division]] in the newly forming root tips. This prevents the weeds from developing a root system, thus killing them before they can emerge from the soil and compete with the crop.
+Trifluralin is a member of the [[dinitroaniline]] class of herbicides. Its chemical formula is C<sub>13</sub>H<sub>16</sub>F<sub>3</sub>N<sub>3</sub>O<sub>4</sub>. It is a yellow-orange crystalline solid with a melting point of 48°C. The compound is relatively insoluble in water but soluble in organic solvents.
-==Health Effects==
+==Mode of action==
-Exposure to trifluralin 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. Trifluralin is classified as a possible human carcinogen by the [[Environmental Protection Agency]] (EPA).
+Trifluralin works by inhibiting cell division in the roots of germinating seeds. It disrupts the formation of microtubules, which are essential for cell division, thereby preventing the growth of the weed seedlings. This mode of action makes it effective against a wide range of weed species.
-==Environmental Impact==
+==Usage==
-Trifluralin is moderately persistent in the environment and can leach into groundwater. It is highly toxic to aquatic organisms and can have negative impacts on non-target species.
+Trifluralin is applied to the soil surface and incorporated into the top layer of soil to ensure effective weed control. It is often used in combination with other herbicides to broaden the spectrum of weed control. The application rates and timing depend on the specific crop and weed species being targeted.
-==Regulation==
+==Environmental impact==
-In the United States, trifluralin is regulated by the EPA under the [[Federal Insecticide, Fungicide, and Rodenticide Act]] (FIFRA). It is classified as a Restricted Use Pesticide (RUP), meaning it can only be used by certified applicators.
+Trifluralin is considered to have a low potential for leaching into groundwater due to its low solubility in water and strong adsorption to soil particles. However, it can persist in the environment and may pose risks to aquatic organisms if it enters water bodies through runoff. Proper management practices are recommended to minimize environmental impact.
+==Regulation and safety==
+Trifluralin is registered for use in many countries, but its use is subject to regulation to ensure safety for humans and the environment. Users are advised to follow label instructions and safety guidelines to minimize exposure risks.
+==Related pages==
+* [[Herbicide]]
+* [[Weed control]]
+* [[Agriculture]]
 ==References==
-<references />
+* "Trifluralin." [[National Pesticide Information Center]]. Retrieved from [https://npic.orst.edu/factsheets/triflgen.html]
+* "Trifluralin." [[PubChem]]. Retrieved from [https://pubchem.ncbi.nlm.nih.gov/compound/Trifluralin]
+[[File:Trifluralin_crystals.jpg|thumb|right|Trifluralin crystals]]
 [[Category:Herbicides]]
-[[Category:Chemical compounds]]
+[[Category:Agricultural chemicals]]
-[[Category:Environmental science]]
-[[Category:Toxicology]]
-[[Category:Public health]]
-{{chemistry-stub}}
-{{medicine-stub}}