Imazapic: Difference between revisions

Latest revision as of 04:01, 13 February 2025

Imazapic[edit]

Imazapic is a selective herbicide used primarily in agriculture to control a wide range of annual and perennial grasses and broadleaf weeds. It belongs to the imidazolinone class of herbicides, which are known for their ability to inhibit the acetohydroxyacid synthase (AHAS) enzyme, crucial for the synthesis of branched-chain amino acids in plants.

Mechanism of Action[edit]

Imazapic works by inhibiting the acetohydroxyacid synthase (AHAS) enzyme, also known as acetolactate synthase (ALS). This enzyme is essential for the biosynthesis of the branched-chain amino acids valine, leucine, and isoleucine. By blocking this pathway, imazapic effectively halts the growth of susceptible plants, leading to their eventual death.

Applications[edit]

Imazapic is used in various agricultural settings, including:

Row Crops: It is applied to crops such as soybeans, peanuts, and corn to manage weed populations without harming the crop itself.
Rangeland and Pastures: Imazapic is used to control invasive species and promote the growth of desirable forage species.
Non-Crop Areas: It is also used in non-crop areas like roadsides and industrial sites to manage vegetation.

Environmental Impact[edit]

Imazapic is known for its low volatility and moderate persistence in the environment. It has a relatively low potential for leaching into groundwater due to its moderate soil binding properties. However, its use must be carefully managed to prevent the development of herbicide resistance in weed populations.

Safety and Handling[edit]

When handling imazapic, it is important to follow safety guidelines to minimize exposure. Protective clothing, gloves, and eye protection should be worn. In case of contact with skin or eyes, the affected area should be rinsed thoroughly with water.

Related Pages[edit]

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-'''Imazapic''' is a [[herbicide]] that is used to control the growth of various types of [[weed]]s in a range of [[crop]]s. It belongs to the [[imidazolinone]] class of herbicides and is known for its effectiveness in controlling both annual and perennial grasses and broadleaf weeds.
+== Imazapic ==
-==Chemistry==
+[[File:Imazapic.svg|thumb|right|Chemical structure of Imazapic]]
-Imazapic is a systemic herbicide that is absorbed by the roots and foliage of plants. Its chemical formula is C15H19N3O3 and its molecular weight is 289.33 g/mol. The compound is a white crystalline solid at room temperature and is soluble in water.
-==Mode of Action==
+'''Imazapic''' is a selective herbicide used primarily in agriculture to control a wide range of annual and perennial grasses and broadleaf weeds. It belongs to the imidazolinone class of herbicides, which are known for their ability to inhibit the acetohydroxyacid synthase (AHAS) enzyme, crucial for the synthesis of branched-chain amino acids in plants.
-Imazapic works by inhibiting the enzyme [[acetolactate synthase]] (ALS), which is essential for the production of certain amino acids in plants. This inhibition disrupts protein synthesis and plant growth, eventually leading to the death of the weed.
-==Usage==
+== Mechanism of Action ==
-Imazapic is used in a variety of crops including [[peanut]]s, [[soybean]]s, and [[wheat]]. It is also used in non-crop areas such as roadsides and industrial sites. The herbicide is typically applied pre-emergence or early post-emergence to control weeds.
-==Environmental Impact==
+Imazapic works by inhibiting the [[acetohydroxyacid synthase]] (AHAS) enzyme, also known as acetolactate synthase (ALS). This enzyme is essential for the biosynthesis of the branched-chain amino acids [[valine]], [[leucine]], and [[isoleucine]]. By blocking this pathway, imazapic effectively halts the growth of susceptible plants, leading to their eventual death.
-Imazapic is considered to be low in toxicity to mammals, birds, and fish. However, it can be harmful to non-target plants if not applied correctly. It is also known to have a relatively long residual activity in the soil, which can affect subsequent crops.
-==Safety==
+== Applications ==
-When using imazapic, it is important to follow all safety instructions on the label. This includes wearing protective clothing and avoiding contact with skin and eyes. In case of accidental ingestion, seek immediate medical attention.
+Imazapic is used in various agricultural settings, including:
+* '''Row Crops''': It is applied to crops such as [[soybeans]], [[peanuts]], and [[corn]] to manage weed populations without harming the crop itself.
+* '''Rangeland and Pastures''': Imazapic is used to control invasive species and promote the growth of desirable forage species.
+* '''Non-Crop Areas''': It is also used in non-crop areas like [[roadsides]] and [[industrial sites]] to manage vegetation.
+== Environmental Impact ==
+Imazapic is known for its low volatility and moderate persistence in the environment. It has a relatively low potential for leaching into groundwater due to its moderate soil binding properties. However, its use must be carefully managed to prevent the development of [[herbicide resistance]] in weed populations.
+== Safety and Handling ==
+When handling imazapic, it is important to follow safety guidelines to minimize exposure. Protective clothing, gloves, and eye protection should be worn. In case of contact with skin or eyes, the affected area should be rinsed thoroughly with water.
+== Related Pages ==
-==See Also==
 * [[Herbicide]]
-* [[Weed control]]
+* [[Acetohydroxyacid synthase]]
-* [[Crop protection]]
+* [[Imidazolinone]]
+* [[Herbicide resistance]]
 [[Category:Herbicides]]
-[[Category:Agricultural chemicals]]
-[[Category:Imidazolinones]]
-{{chemistry-stub}}
-{{medicine-stub}}